Dialta 470 pdf

Handling of Other Parts The magnet roller generates a strong magnetic field. Do not bring it near a watch, floppy disk, magnetic card, or CRT tube. In summer, avoid leaving the PC Drum in a car for a long time. Handling Ensure that the correct PC Drum is used. Whenever the PC Drum has been removed from the copier, store it in its carton or protect it with a Drum Cloth. The PC Drum exhibits greatest light fatigue after being exposed to strong light over an extended period of time.

Never, therefore, expose it to direct sunlight. Use care not to contaminate the surface of the PC Drum with oil-base solvent, fingerprints, and other foreign matter. Do not scratch the surface of the PC Drum.

Do not apply chemicals to the surface of the PC Drum. Do not attempt to wipe clean the surface of the PC Drum. If, however, the surface is contaminated with fingerprints, clean it using the following procedure. Place the PC Drum into one half of its carton. Turn the PC Drum so that the area of its surface on which the line of toner left by the Cleaning Blade is present is facing straight up. Wipe the surface in one continuous movement from the rear edge of the PC Drum to the front edge and off the surface of the PC Drum.

Repeat this procedure until the entire surface of the PC Drum has been thoroughly cleaned. Soak a small amount of either ethyl alcohol or isopropyl alcohol into a clean, unused Dust-Free Cotton Pad which has been folded over into quarters. Now, wipe the surface of the PC Drum in one continuous movement from its rear edge to its front edge and off its surface one to two times. Never move the Pad back and forth.

Two complete turns of the PC Drum would be appropriate for cleaning. Do not expose the PC Drum to direct sunlight. Clean it as quickly as possible even under interior illumination. If dirt remains after cleaning, repeat the entire procedure from the beginning one more time. In summer, avoid leaving the Imaging Cartridge and Print Unit in a car for a long time. Handling Store the Imaging Cartridge and Print Unit in a place that is not exposed to direct sunlight.

D-1 Safety information D-2 1 Laser Safety D-2 2 Internal Laser Radiation D-2 Laser Safety Label D-5 Laser Caution Label D-6 D-6 1 Red painted Screws D-6 2 Variable Resistors on Board D-6 3 Other Screws D-6 2. D-7 D-9 D 1 cpm copier D 2 cpm copier D Removal of the Unit D 1 Removal of the Multi Bypass Unit D 2 Removal of the Suction Unit D 3 Removal of the Main Hopper Unit D 4 Removal of the PH Unit D 5 Removal of the Developing Unit D 6 Removal of the Sub Hopper Unit D 7 Removal of the Fusing Unit D 3 Cleaning of the Paper Separator Roll D 6 Cleaning of the Upper Transport Roller D 7 Cleaning of the Lower Transport Roller D 8 Cleaning of the Vertical Transport Rollers D 9 Removal of the Synchronizing Roller D 10 Cleaning of the Upper Synchronizing Roller D 11 Removal of the Lower Synchronizing Roller D 12 Cleaning of the Lower Synchronizing Roller D 15 Cleaning of the Paper Dust Remover D 17 Disassembly of the Multi Bypass Unit D 2 Cleaning of the Mirrors D 3 Cleaning of the Lens D 5 Cleaning of the PH Glass D 6 Removal of the Scanner D 7 Removal of the Exposure Lamp D 9 Removal of the Scanner Drive Cable D 10 Winding of the Scanner Drive Cable D 1 Remove of the Developing Unit D 4 Cleaning of the Toner Antisocial Trap D 5 Replacement of the Cleaning Blade D 6 Replacement of the Developer D 9 Removal of the Toner Antispill Seal D 10 Cleaning of the Toner Antispill Seal D 11 Removal of the Main Erase Lamp D 15 Removal of the Toner Collecting Bottle D 4 Cleaning of the Comb Electrode D 1 Disassembly of the Fusing Unit D 5 Cleaning of the Entrance Guide Plate D 14 Removal of the Web Roller D 15 Removal of the Web Pressure Roller D 3.

D 1 Microswitches D 1 Accessing the Tech. D 2 Accessing the Adjust Mode D 1 Touch Panel Adj. D 2 Orig. Size Adjust D 5 Registration CD D 6 Registration FD D 7 Lead Edge Erase D 9 Loop Adjustment D 10 Erasure Width D 11 Zoom CD D 12 Zoom FD D 13 Scale CD D 14 Scale FD D 4. D 1 Rewriting the Master Board Data This is a digital machine certified as a class 1 laser product. There is no possibility of danger from a laser, provided the machine is serviced according to the instruction in this manual.

This product employs a Class 3b laser diode that emits an invisible laser beam. The laser diode and the scanning polygon mirror are incorporated in the print head unit. Therefore, the print head unit should not be opened under any circumstances.

Food and Drug Administration of the U. This means that the device does not produce hazardous laser radiation. The label shown to page 13 indicates compliance with the CDRH regulations and must be attached to laser products marketed in the United States. CAUTION Use of controls, adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure.

Undg udsttelse for strling. Klasse 1 laser produkt der opfylder IEC sikkerheds kravene. Laitteen kyttminen muulla kuin tss kyttohjeessa mainitulla tavalla saattaa altistaa kyttjn turvallisuusluokan 1 ylittvlle nkymttmlle lasersteilylle.

Om apparaten anvnds p annat stt n i denna bruksanvisning specificerats, kan anvndaren utsttas fr osynlig laserstrlning, som verskrider grnsen fr laserklass 1. Avattaessa ja suojalukitus ohitettaessa olet alttiina nkymttomlle lasersteilylle.

Norway ADVERSEL Dersom apparatet brukes p annen mte enn spesifisert i denne bruksanvisning, kan brukeren utsettes fr unsynlig laserstrlning, som overskrider grensen for laser klass 1. A laser safety label is attached to the outside of the machine as shown below. Laser safety label For Europe. When laser protective goggles are to be used, select ones with a lens conforming to the above specifications.

When a disassembly job needs to be performed in the laser beam path, such as when working around the printerhead and PC Drum, be sure first to turn the printer OFF.

If the job requires that the printer be left ON, take off your watch and ring and wear laser protective goggles. A highly reflective tool can be dangerous if it is brought into the laser beam path. Use utmost care when handling tools on the users premises. Purpose of Application of Red Paint Red painted screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field.

Note that when two or more screws are used on the part in questions, only one representative screw may be marked with red paint. Although not marked with red paint, the following screws must not be loosened or readjusted. Remove No. Slide out the drawer. Slide out No. Pull up the Original Cover off the copier.

Remove nine Rear Cover mounting screws. Remove one Connector Cover mounting screw. When removing a circuit board or other electrical component, refer to Handling of PWBs and follow the corresponding removal procedures. The removal procedures given in the following omit the removal of connectors and screws securing the circuit board support or circuit board. Where it is absolutely necessary to touch the ICs and other electrical components on the board, be sure to ground your body.

Removal Procedure Remove the Scanner. Remove the Rear Cover. Remove the Control Panel 1. Remove the Right Cover and Left Cover. Remove five screws and the Front Upper Cover. Removal of the Image Processing Board 6. Remove the Rear Cover and Right Cover. Remove four screws and the cover on the left. Remove three screws and the cover on the right. Remove six screws and the mounting bracket. Unplug four connectors.

To ensure that the copier produces good copies and to extend its service life, it is recommended that the maintenance jobs described in this schedule be carried out as instructed. Maintenance Cycle K Replac Clean e 80 80 80 80 80 80 80 80 80 Perform the maintenance jobs based on the PM Counter count. The replacement cycle of the PC Drum is determined by the number of hours, through which the PC Drum has turned distance. The figure for the replacement cycle given in the table represents the number of copies made for standard copying A4C, making five copies per job.

Maintenance Cycle K Replac Clean e Perform the service jobs based on the PM counter count. The figure for the replacement cycle given in the table represents the number of copies made for standard copying A4C, making six copies per job.

Open the Upper Right Door. Remove two connectors and the cover. Unplug two connectors. Remove two screws and the Upper Right Cover. Remove the Paper Dust Remover Assy. Slide out the Fusing Unit. Slide out the 1st and 2nd Drawers. Unplug two connectors from lower end of the Suction Unit. Swing the Transport Section Release Lever back to its original position. Swing down the Transport Section Release Lever. Holding up the Suction Unit, remove the compression coil.

Swing down the Front Door and slide out the Developer Unit. Remove the Right Cover. Unplug two connectors, remove four screws and remove the Main Hopper Unit. Replace the PH Unit as one unit. Remove two thumbscrews and one bolt. Removal of the Developing Unit 1. Swing down the Front Door.

Removal of the Sub Hopper Unit 1. Swing down the Front Door and slide out the Developing Unit. Unplug one connector and remove three screws and the Sub Hopper Unit. Removal of the Fusing Unit 1. Open the Left Door. Swing Down the Front Door. Remove one screw and slide out the Fusing Unit.

Swing down the Front Cover and slide out the Fusing Unit. Remove the cable from the spring. Open the Upper Left Door. Remove the Left Cover.

Unplug one connector and remove the harness from the edge cover. Remove one screw, holding bracket, and the belt. Remove the Right Door. Remove one screw and the Paper Guide Plate from each drawer. Using a soft cloth dampened with alcohol, wipe each roll clean of dirt.

Cleaning of the Paper Separator Roll 1. Using a soft cloth dampened with alcohol, clean the Paper Separator Roll. Removal of the Drawer Lift-Up Motor 1. Slide out the drawer and remove one screw and the right stopper. Unplug one connector. Remove one screw and the Drawer Lift-Up Unit.

Removal of the Upper and Lower Transport Rollers 1. Slide out the 1st Drawer. Remove five screws and the Cover. Snap off the E-ring and remove the gear. Unhook one spring and snap off one E-ring. Then remove the bushing from the rear end of the Upper Transport Roller. Snap off one E-ring and remove the bearing from the rear end of the Lower Transport Roller. Unhook one spring and snap off two E-rings. Then remove the bushings from the front end of the Upper and Lower Transport Roller.

Cleaning of the Upper Transport Roller 1. Using a soft cloth dampened with alcohol, clean the Upper Transport Roller.

Cleaning of the Lower Transport Roller 1. Using a soft cloth dampened with alcohol, clean the Lower Transport Roller. Cleaning of the Vertical Transport Rollers 1. Using a soft cloth dampened with alcohol, wipe each roller clean of dirt. Removal of the Synchronizing Roller 1. Snap off one E-ring and remove the bushing from the rear end of the Upper Synchronizing Roller.

Snap off the E-ring and remove the bushing from the front end of the Upper Synchronizing Roller. Remove the Upper Synchronizing Roller. Using a brush or a vacuum cleaner, clean the Upper Synchronizing Roller. Remove the Suction Unit. Unhook the spring, snap off the E-ring, and remove the bushing from the front end of the Lower Synchronizing Roller.

Unhook the spring, snap off the E-ring, and remove the gear and bushing from the rear end of the Lower Synchronizing Roller. Using a brush or a vacuum cleaner, clean the Lower Synchronizing Roller.

Using a brush, whisk dust off the Synchronizing Paper Dust Remover. Using a brush, whisk dust off the Transport Paper Dust Remover. Remove two screws and the duct. Remove four screws and the Suction Drive Unit. Remove four screws and the Separator Guide Plate Assy.

Remove the Spring. Remove five screws and the Solenoid Mounting Bracket Assy. NOTE Whenever a solenoid has been replaced or a solenoid mounting screw removed, be sure to adjust the position of the solenoid.

Using a soft cloth dampened with alcohol, clean the Paper Separator Roll Assy. Cleaning of the Mirrors 1. Remove the Original Glass. Wipe the surface of each mirror clean of dirt using a soft cloth. Cleaning of the Lens 1. Remove four screws and the Lens Cover. Cleaning of the PH Glass 1. Open the cover. Removal of the Scanner 1.

Slide the Scanner to the position shown. Remove the two Scanner mounting screws at the front and rear. Swing the Scanner counterclockwise and take it out of the copier. Removal of the Exposure Lamp 1. Remove the Scanner. Unplug one connector from the Inverter Board. Remove the harnesses from the corresponding wiring saddles. Removal of the EDH Glass 1. Remove the EDH Glass. Unhook the springs of the Scanner Drive Cables on the hook side, one each at the front and in the rear.

Remove the front and rear Scanner Drive Cables. Pulley A Front 1. Position the round bead of the Scanner Drive Cable in the pulley as shown. NOTE Make sure that the bead snugly rests in the slit in the pulley.

Wind the fixed bead end of the cable around the pulley five turns clockwise, from the rear toward the front side. Wind the hook end of the cable around the pulley five turns counterclockwise, from the front toward the rear side. NOTE Make sure that no part of the cable rides on the other.

Rear 5. Wind the fixed bead end of the cable around the pulley five turns clockwise, from the front toward the rear side. Wind the hook end of the cable around the pulley five turns counterclockwise, from the rear toward the front side. Mount the front and rear pulleys and bushings on the shaft and install the shaft to the IR Unit. Mount the Scanner Drive Gear on the shaft and secure it in position with one screw. Front Wind the bead end of the cable around pulley C and pulley B, then hook the bead onto the Adjustable Anchor.

Rear Wind the bead end of the cable around pulley F and pulley E, then hook the bead onto the Adjustable Anchor. Remove the Cable Holding Jigs from the front and rear pulleys. Remove the Allen wrench.

Mount the Scanner. Size Adjust and Registration CD. Remove the PC Drum. Be also sure to hold the PC Drum on both sides with care not to touch the surface of the drum with bare hands. Remove two screws and the Developing Unit Front Cover. Also, use care not to get hurt by the tip of the fingers. Hook the spring property. After installation, check that the Paper Separator Fingers operate smoothly. Cleaning of the Developer Scattering Prevention Plate 1. Using a brush, whisk dust off the Developer Scattering Prevention Plate.

Cleaning of the DS Positioning Collars 1. Using a brush or a soft cloth dampened with alcohol, clean the DS Positioning Collars. Cleaning of the Toner Antisocial Trap 1. Using a brush or a soft cloth, clean the Toner Antispill Trap. Replacement of the Cleaning Blade 1.

Remove two screws and the Cleaning Blade, and replace the Cleaning Blade with a new one. Remove the Toner Bottle from Main Hopper. Insert a brush through the toner port and into the toner. Replacement of the Developer 1. Remove the Sub Hopper Unit. Dump the developer out the Developing Unit. Turning the Bucket Roller, pour fresh developer evenly into the chamber.

When the developer has been replaced, clear the counts of Developer 1 and Developer 2 of PM of Counter available from the Tech. Be also careful not to get hurt with the tips.

Removal of the Toner Antispill Seal 1. Remove the Toner Antispill Seal. Using a brush, clean the Toner Antispill Seal.

Remove one screw and the Main Erase Lamp. Remove the Main Erase Lamp Filter. Swing out the Main Hopper. Slide out the Ozone Filter. Unhook one tab and remove the Filter Cover. Pull out the Ozone Filter. Slide out the drawers from the applicable paper source option. There is no need of sliding out the drawer for LCC. Swing down the Toner Collecting Bottle Cover. Remove the Toner Collecting Bottle.

Remove the Cleaning Pad Holder. Remove the End Caps from the front and rear ends of the Unit. Remove the Comb Electrode. When removing the electrode, first snap off its spring end. Blow all foreign matter off the Grid Mesh with a blower brush. At this time, place the Grid Mesh on a flat surface and sweep the cloth along the mesh.

After cleaning, use care not to touch the cleaned Grid Mesh with bare hands. Cleaning of the Comb Electrode 1. Cleaning of the Image Transfer Corona Wire 1. NOTE If the Image Transfer Corona Wire is seriously contaminated, dampen a soft cloth with alcohol, hold it with a pair of tweezers, and wipe the wire gently in one direction-from the hook end to the spring end.

Removal of the Image Transfer Corona Wire 1. Dampen a soft cloth with alcohol, hold it with a pair of tweezers, and wipe the Paper Separator Corona Wire gently in one direction. NOTE Wipe the wire from the hook to spring end. Removal of the Paper Separator Corona Wire 1. Remove the four Paper Guides. Remove the corona wire, first at the spring end. Wipe clean the Housing with a soft cloth. Remove the Fusing Unit. Remove two screws and the Fusing Unit Front Cover.

Remove the four harness holders. Unplug one connector of the Heater Lamp on the front. Remove the Heater Lamp harness from one edge cover. Remove four harness holders. Unplug three connectors of the Heater Lamp on the rear. Unplug two Thermistor connectors. Remove one screw and the wiring saddle. Remove the Thermistor harness from the harness guide. Remove one screw and the harness.

Loosen the front roller pressure screw and unhook the upper end of the spring. NOTE Repeat the same step for the spring in the rear. NOTE When tightening the roller pressure screws with the springs installed, tighten the front and rear ones alternately until there is no clearance in the mounting bracket.

Remove five springs. Using a soft cloth dampened with oil, wipe the five Upper Fusing Paper Separator Fingers clean of dirt. Remove the Fusing Unit Front Cover. Using a soft cloth dampened with oil, wipe the five Lower Fusing Paper Separator Fingers clean of dirt. After completing a service job, perform a safety check. Make sure that all parts, wiring and screws are returned to their original positions. Do not pull out the toner hopper while the toner bottle is turning.

This could result in a damaged motor or locking mechanism. If the product is to be run with the front door open, make sure that the toner hopper is in the locked position. Do not use an air gun or vacuum cleaner for cleaning the ATDC Sensor and other sensors, as they can cause electrostatic destruction. Use a blower brush and cloth. If a unit containing these sensors is to be cleaned, first remove the sensors from the unit. The basic rule is not to operate the copier anytime during disassembly.

If it is absolutely necessary to run the copier with its covers removed, use care not to allow your clothing to be caught in revolving parts such as the timing belt and gears. Before attempting to replace parts and unplug connectors, make sure that the power cord of the copier has been unplugged from the wall outlet.

Be sure to use the Interlock Switch Actuating Jig whenever it is necessary to actuate the Interlock Switch with the covers left open or removed.

While the product is energized, do not unplug or plug connectors into the circuit boards or harnesses. Never use flammable sprays near the copier. A used battery should be disposed of according to the local regulations and never be discarded casually or left unattended at the users premises.

When reassembling parts, make sure that the correct screws size, type and toothed washer are used in the correct places. Precautions for Circuit Inspection Never create a closed circuit across connector pins except those specified in the text and on the printed circuit. When creating a closed circuit and measuring a voltage across connector pins specified in the text, be sure to use the GND wire.

Boards must not be indiscriminately removed from their protective conductive bags. Do not store or place P Boards in a location exposed to direct sunlight and high tem. When it becomes absolutely necessary to remove a Board from its conductive bag or case, always place it on its conductive mat in an area as free as possible from static electricity.

Do not touch the pins of the ICs with your bare hands. Protect the PWBs from any external force so that they are not bent or damaged.

Never create a closed circuit across IC pins with a metal tool. Before unplugging connectors from the P. Boards, make sure that the power cord has been unplugged from the outlet. When removing a Board from its conductive bag or conductive case, do not touch the pins of the ICs or the printed pattern.

Place it in position by holding only the edges of the Board. When touching the PWB, wear a wrist strap and connect its cord to a securely grounded place whenever possible. If you cannot wear a wrist strap, touch a metal part to discharge static electricity before touching the PWB.

Note that replacement of a PWB may call for readjustments or resetting of particular items. Handling of Other Parts The magnet roller generates a strong magnetic field. Do not bring it near a watch, floppy disk, magnetic card, or CRT tube. In summer, avoid leaving the PC Drum in a car for a long time. Handling Ensure that the correct PC Drum is used. Whenever the PC Drum has been removed from the copier, store it in its carton or protect it with a Drum Cloth. The PC Drum exhibits greatest light fatigue after being exposed to strong light over an extended period of time.

Never, therefore, expose it to direct sunlight. Use care not to contaminate the surface of the PC Drum with oil-base solvent, fingerprints, and other foreign matter. Do not scratch the surface of the PC Drum. Do not apply chemicals to the surface of the PC Drum. Do not attempt to wipe clean the surface of the PC Drum. If, however, the surface is contaminated with fingerprints, clean it using the following procedure. Place the PC Drum into one half of its carton. Turn the PC Drum so that the area of its surface on which the line of toner left by the Cleaning Blade is present is facing straight up.

Wipe the surface in one continuous movement from the rear edge of the PC Drum to the front edge and off the surface of the PC Drum. Repeat this procedure until the entire surface of the PC Drum has been thoroughly cleaned.

Soak a small amount of either ethyl alcohol or isopropyl alcohol into a clean, unused Dust-Free Cotton Pad which has been folded over into quarters. Now, wipe the surface of the PC Drum in one continuous movement from its rear edge to its front edge and off its surface one to two times. Never move the Pad back and forth. Two complete turns of the PC Drum would be appropriate for cleaning. Do not expose the PC Drum to direct sunlight.

Clean it as quickly as possible even under interior illumination. If dirt remains after cleaning, repeat the entire procedure from the beginning one more time. In summer, avoid leaving the Imaging Cartridge and Print Unit in a car for a long time. Handling Store the Imaging Cartridge and Print Unit in a place that is not exposed to direct sunlight.

D-1 Safety information D-2 1 Laser Safety D-2 2 Internal Laser Radiation D-2 Laser Safety Label D-5 Laser Caution Label D-6 D-6 1 Red painted Screws D-6 2 Variable Resistors on Board D-6 3 Other Screws D-6 2. D-7 D-9 D 1 cpm copier D 2 cpm copier D Removal of the Unit D 1 Removal of the Multi Bypass Unit D 2 Removal of the Suction Unit D 3 Removal of the Main Hopper Unit D 4 Removal of the PH Unit D 5 Removal of the Developing Unit D 6 Removal of the Sub Hopper Unit D 7 Removal of the Fusing Unit D 3 Cleaning of the Paper Separator Roll D 6 Cleaning of the Upper Transport Roller D 7 Cleaning of the Lower Transport Roller D 8 Cleaning of the Vertical Transport Rollers D 9 Removal of the Synchronizing Roller D 10 Cleaning of the Upper Synchronizing Roller D 11 Removal of the Lower Synchronizing Roller D 12 Cleaning of the Lower Synchronizing Roller D 15 Cleaning of the Paper Dust Remover D 17 Disassembly of the Multi Bypass Unit D 2 Cleaning of the Mirrors D 3 Cleaning of the Lens D 5 Cleaning of the PH Glass D 6 Removal of the Scanner D 7 Removal of the Exposure Lamp D 9 Removal of the Scanner Drive Cable D 10 Winding of the Scanner Drive Cable D 1 Remove of the Developing Unit D 4 Cleaning of the Toner Antisocial Trap D 5 Replacement of the Cleaning Blade D 6 Replacement of the Developer D 9 Removal of the Toner Antispill Seal D 10 Cleaning of the Toner Antispill Seal D 11 Removal of the Main Erase Lamp D 15 Removal of the Toner Collecting Bottle D 4 Cleaning of the Comb Electrode D 1 Disassembly of the Fusing Unit D 5 Cleaning of the Entrance Guide Plate D 14 Removal of the Web Roller D 15 Removal of the Web Pressure Roller D 3.

D 1 Microswitches D 1 Accessing the Tech. D 2 Accessing the Adjust Mode D 1 Touch Panel Adj. D 2 Orig. Size Adjust D 5 Registration CD D 6 Registration FD D 7 Lead Edge Erase D 9 Loop Adjustment D 10 Erasure Width D 11 Zoom CD D 12 Zoom FD D 13 Scale CD D 14 Scale FD D 4.

D 1 Rewriting the Master Board Data This is a digital machine certified as a class 1 laser product. There is no possibility of danger from a laser, provided the machine is serviced according to the instruction in this manual.

This product employs a Class 3b laser diode that emits an invisible laser beam. The laser diode and the scanning polygon mirror are incorporated in the print head unit. Therefore, the print head unit should not be opened under any circumstances.

Food and Drug Administration of the U. This means that the device does not produce hazardous laser radiation. The label shown to page 13 indicates compliance with the CDRH regulations and must be attached to laser products marketed in the United States.

CAUTION Use of controls, adjustments or performance of procedures other than those specified in this manual may result in hazardous radiation exposure.

Undg udsttelse for strling. Klasse 1 laser produkt der opfylder IEC sikkerheds kravene. Laitteen kyttminen muulla kuin tss kyttohjeessa mainitulla tavalla saattaa altistaa kyttjn turvallisuusluokan 1 ylittvlle nkymttmlle lasersteilylle. Om apparaten anvnds p annat stt n i denna bruksanvisning specificerats, kan anvndaren utsttas fr osynlig laserstrlning, som verskrider grnsen fr laserklass 1.

Avattaessa ja suojalukitus ohitettaessa olet alttiina nkymttomlle lasersteilylle. Norway ADVERSEL Dersom apparatet brukes p annen mte enn spesifisert i denne bruksanvisning, kan brukeren utsettes fr unsynlig laserstrlning, som overskrider grensen for laser klass 1. A laser safety label is attached to the outside of the machine as shown below.

Laser safety label For Europe. When laser protective goggles are to be used, select ones with a lens conforming to the above specifications. When a disassembly job needs to be performed in the laser beam path, such as when working around the printerhead and PC Drum, be sure first to turn the printer OFF. If the job requires that the printer be left ON, take off your watch and ring and wear laser protective goggles. A highly reflective tool can be dangerous if it is brought into the laser beam path.

Use utmost care when handling tools on the users premises. Purpose of Application of Red Paint Red painted screws show that the assembly or unit secured can only be adjusted or set at the factory and should not be adjusted, set, or removed in the field. Note that when two or more screws are used on the part in questions, only one representative screw may be marked with red paint. Although not marked with red paint, the following screws must not be loosened or readjusted.

Remove No. Slide out the drawer. Slide out No. Pull up the Original Cover off the copier. Remove nine Rear Cover mounting screws. Remove one Connector Cover mounting screw. When removing a circuit board or other electrical component, refer to Handling of PWBs and follow the corresponding removal procedures.

The removal procedures given in the following omit the removal of connectors and screws securing the circuit board support or circuit board. Where it is absolutely necessary to touch the ICs and other electrical components on the board, be sure to ground your body.

Removal Procedure Remove the Scanner. Remove the Rear Cover. Remove the Control Panel 1. Remove the Right Cover and Left Cover. Remove five screws and the Front Upper Cover. Removal of the Image Processing Board 6. Remove the Rear Cover and Right Cover.

Remove four screws and the cover on the left. Remove three screws and the cover on the right. Remove six screws and the mounting bracket. Unplug four connectors. To ensure that the copier produces good copies and to extend its service life, it is recommended that the maintenance jobs described in this schedule be carried out as instructed.

Maintenance Cycle K Replac Clean e 80 80 80 80 80 80 80 80 80 Perform the maintenance jobs based on the PM Counter count. The replacement cycle of the PC Drum is determined by the number of hours, through which the PC Drum has turned distance. The figure for the replacement cycle given in the table represents the number of copies made for standard copying A4C, making five copies per job. Maintenance Cycle K Replac Clean e Perform the service jobs based on the PM counter count.

The figure for the replacement cycle given in the table represents the number of copies made for standard copying A4C, making six copies per job. Open the Upper Right Door. Remove two connectors and the cover. Unplug two connectors. Remove two screws and the Upper Right Cover. Remove the Paper Dust Remover Assy. Slide out the Fusing Unit. Slide out the 1st and 2nd Drawers. Unplug two connectors from lower end of the Suction Unit. Swing the Transport Section Release Lever back to its original position.

Swing down the Transport Section Release Lever. Holding up the Suction Unit, remove the compression coil. Swing down the Front Door and slide out the Developer Unit. Remove the Right Cover. Unplug two connectors, remove four screws and remove the Main Hopper Unit. Replace the PH Unit as one unit. Remove two thumbscrews and one bolt. Removal of the Developing Unit 1. Swing down the Front Door. Removal of the Sub Hopper Unit 1. Swing down the Front Door and slide out the Developing Unit.

Unplug one connector and remove three screws and the Sub Hopper Unit. Removal of the Fusing Unit 1. Open the Left Door. Swing Down the Front Door. Remove one screw and slide out the Fusing Unit. Swing down the Front Cover and slide out the Fusing Unit.

Remove the cable from the spring. Open the Upper Left Door. Remove the Left Cover. Unplug one connector and remove the harness from the edge cover. Remove one screw, holding bracket, and the belt.

Remove the Right Door. Remove one screw and the Paper Guide Plate from each drawer. Using a soft cloth dampened with alcohol, wipe each roll clean of dirt. Cleaning of the Paper Separator Roll 1. Using a soft cloth dampened with alcohol, clean the Paper Separator Roll. Removal of the Drawer Lift-Up Motor 1. Slide out the drawer and remove one screw and the right stopper.

Unplug one connector. Remove one screw and the Drawer Lift-Up Unit. Removal of the Upper and Lower Transport Rollers 1. Slide out the 1st Drawer. Remove five screws and the Cover. Snap off the E-ring and remove the gear.

Unhook one spring and snap off one E-ring. Then remove the bushing from the rear end of the Upper Transport Roller. Snap off one E-ring and remove the bearing from the rear end of the Lower Transport Roller.

Unhook one spring and snap off two E-rings. Then remove the bushings from the front end of the Upper and Lower Transport Roller. Cleaning of the Upper Transport Roller 1. Using a soft cloth dampened with alcohol, clean the Upper Transport Roller. Cleaning of the Lower Transport Roller 1. Using a soft cloth dampened with alcohol, clean the Lower Transport Roller. Cleaning of the Vertical Transport Rollers 1. Using a soft cloth dampened with alcohol, wipe each roller clean of dirt. Removal of the Synchronizing Roller 1.

Snap off one E-ring and remove the bushing from the rear end of the Upper Synchronizing Roller. Snap off the E-ring and remove the bushing from the front end of the Upper Synchronizing Roller. Remove the Upper Synchronizing Roller. Using a brush or a vacuum cleaner, clean the Upper Synchronizing Roller.

Remove the Suction Unit. Unhook the spring, snap off the E-ring, and remove the bushing from the front end of the Lower Synchronizing Roller. Unhook the spring, snap off the E-ring, and remove the gear and bushing from the rear end of the Lower Synchronizing Roller.

Using a brush or a vacuum cleaner, clean the Lower Synchronizing Roller. Using a brush, whisk dust off the Synchronizing Paper Dust Remover. Using a brush, whisk dust off the Transport Paper Dust Remover. Remove two screws and the duct. Remove four screws and the Suction Drive Unit. Remove four screws and the Separator Guide Plate Assy. Remove the Spring. Remove five screws and the Solenoid Mounting Bracket Assy.

NOTE Whenever a solenoid has been replaced or a solenoid mounting screw removed, be sure to adjust the position of the solenoid. Using a soft cloth dampened with alcohol, clean the Paper Separator Roll Assy. Cleaning of the Mirrors 1.

Remove the Original Glass. Wipe the surface of each mirror clean of dirt using a soft cloth. Cleaning of the Lens 1. Remove four screws and the Lens Cover. Cleaning of the PH Glass 1. Open the cover. Removal of the Scanner 1. Slide the Scanner to the position shown. Remove the two Scanner mounting screws at the front and rear.

Swing the Scanner counterclockwise and take it out of the copier. Removal of the Exposure Lamp 1. Remove the Scanner. Unplug one connector from the Inverter Board. Remove the harnesses from the corresponding wiring saddles. Removal of the EDH Glass 1. Remove the EDH Glass. Unhook the springs of the Scanner Drive Cables on the hook side, one each at the front and in the rear. Remove the front and rear Scanner Drive Cables. Pulley A Front 1. Position the round bead of the Scanner Drive Cable in the pulley as shown.

NOTE Make sure that the bead snugly rests in the slit in the pulley. Wind the fixed bead end of the cable around the pulley five turns clockwise, from the rear toward the front side. Wind the hook end of the cable around the pulley five turns counterclockwise, from the front toward the rear side. NOTE Make sure that no part of the cable rides on the other. Rear 5. Wind the fixed bead end of the cable around the pulley five turns clockwise, from the front toward the rear side.

Wind the hook end of the cable around the pulley five turns counterclockwise, from the rear toward the front side. Mount the front and rear pulleys and bushings on the shaft and install the shaft to the IR Unit. Mount the Scanner Drive Gear on the shaft and secure it in position with one screw.

Front Wind the bead end of the cable around pulley C and pulley B, then hook the bead onto the Adjustable Anchor. Rear Wind the bead end of the cable around pulley F and pulley E, then hook the bead onto the Adjustable Anchor. Remove the Cable Holding Jigs from the front and rear pulleys.

Remove the Allen wrench. Mount the Scanner. Size Adjust and Registration CD. Remove the PC Drum. Be also sure to hold the PC Drum on both sides with care not to touch the surface of the drum with bare hands. Remove two screws and the Developing Unit Front Cover.

Also, use care not to get hurt by the tip of the fingers. Hook the spring property. After installation, check that the Paper Separator Fingers operate smoothly. Cleaning of the Developer Scattering Prevention Plate 1. Using a brush, whisk dust off the Developer Scattering Prevention Plate.

Cleaning of the DS Positioning Collars 1. Using a brush or a soft cloth dampened with alcohol, clean the DS Positioning Collars.

Cleaning of the Toner Antisocial Trap 1. Using a brush or a soft cloth, clean the Toner Antispill Trap. Replacement of the Cleaning Blade 1. Remove two screws and the Cleaning Blade, and replace the Cleaning Blade with a new one. Remove the Toner Bottle from Main Hopper.

Insert a brush through the toner port and into the toner. Replacement of the Developer 1. Remove the Sub Hopper Unit. Dump the developer out the Developing Unit. Turning the Bucket Roller, pour fresh developer evenly into the chamber. When the developer has been replaced, clear the counts of Developer 1 and Developer 2 of PM of Counter available from the Tech.

Be also careful not to get hurt with the tips. Removal of the Toner Antispill Seal 1. Remove the Toner Antispill Seal. Using a brush, clean the Toner Antispill Seal. Remove one screw and the Main Erase Lamp. Remove the Main Erase Lamp Filter. Swing out the Main Hopper. Slide out the Ozone Filter. Unhook one tab and remove the Filter Cover.

Pull out the Ozone Filter. Slide out the drawers from the applicable paper source option. There is no need of sliding out the drawer for LCC. Swing down the Toner Collecting Bottle Cover. Remove the Toner Collecting Bottle. Remove the Cleaning Pad Holder. Remove the End Caps from the front and rear ends of the Unit.

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