Page 1: Service Manual
Service Manual CF2002/CF3102 www.minoltaeurope.com The essentials of imaging...
Page 3 SAFETY PRECAUTIONS FOR INSPECTION AND SERVICE • When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions given in the following do not apply. • Different markings are used to denote specific meanings as detailed below. WARNING •...
Page 4 WARNING 3. Do not throw toner or the toner bottle into a fire. • Do not throw toner or the Toner Bottle (Imaging Cartridge, Toner Cartridge) into a fire. Toner expelled from the fire may cause burns. 4. Use the specified parts. •...
Page 5 WARNING 9. Maintain a grounded connection at all times. • Connect the power cord to an electrical outlet that is equipped with a ground- ing terminal. 10. Do not remodel the product. • Modifying this product in a manner not authorized by the manufacturer may result in a fire or electric shock.
Page 6 CAUTION 2. Precautions for Servicing with Covers and Parts Removed. • Wherever feasible, keep all parts and covers mounted when energizing the product. • If energizing the product with a cover removed is absolutely unavoidable, do not touch any exposed live parts and use care not to allow your clothing to be caught in the moving parts.
Page 7 1-3. Used Batteries Precautions ALL Areas CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. Germany VORSICHT! Explosionsgefahr bei unsachgemäßem Austausch der Batterie. Ersatz nur durch denselben oder einen vom Hersteller empfohlenen gleichwertigen Typ.
Page 8: Other Precautions
1-4. Other Precautions • When handling circuit boards, observe the “HANDLING of PWBs”. • The PC Drum is a very delicate component. Observe the precautions given in “HAN- DLING OF THE PC DRUM” because mishandling may result in serious image problems. •...
Page 9 4. Precautions for Dis/Reassembly • Be sure to unplug the copier from the outlet before attempting to service the copier. • 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.
Page 10 8. Handling of the PC Drum Only for Products Not Employing an Imaging Cartridge. During Transportation/Storage • Use the specified carton whenever moving or storing the PC Drum. • The storage temperature is in the range between –20°C and +40°C. •...
Page 11 C. Soak a small amount of either ethyl alcohol or iso- propyl alcohol into a clean, unused Dust-Free Cot- ton Pad which has been folded over into quarters. Now, wipe the surface of the PC Drum in one con- tinuous movement from its rear edge to its front edge and off its surface one to two times.
Page 12 INDEX GENERAL MAINTENANCE DIS/REASSEMBLY, ADJUSTMENT SWITCHES ON PWBs, TECH. REP. SETTINGS TROUBLESHOOTING...
Page 13: Table Of Contents
CONTENTS GENERAL 1. SPECIFICATION ..................... G-1 2. PRECAUTIONS FOR INSTALLATION ............G-4 2-1. Installation Site ..................G-4 2-2. Power Source ..................G-4 2-3. Grounding ....................G-4 3. PRECAUTIONS FOR USE ................G-5 3-1. To ensure that the copier is used in an optimum condition ..... G-5 3-2.
Page 14 Replacing the Fusing Unit ............... E-26 DIS/REASSEMBLY, ADJUSTMENT 1. SERVICE INSTRUCTIONS ................D-1 1-1. IDENTIFICATION OF FUSES ..............D-1 1-2. PARTS WHICH MUST NOT BE TOUCHED ........... D-2 Red painted Screws ................ D-2 Variable Resistors on Board ............D-2 2. DISASSEMBLY/REASSEMBLY ..............D-3 2-1.
Page 15 3-2. MECHANICAL ADJUSTMENT ..............D-43 Adjustment of the Scanner Motor Timing Belt ......... D-43 Focus Positioning of the Scanner and 2nd/3rd Mirrors Carriage ..D-44 Scanner Position Adjustment ............D-44 3-3. ELECTRICAL/IMAGE ADJUSTMENT ............. D-45 Accessing the Tech. Rep. Mode ............D-45 Producing a Test Print ..............
Page 16 3. TECH. REP. MODE ..................S-16 3-1. Tech. Rep. Mode Function Setting Procedure ......... S-16 3-2. Tech. Rep. Mode Function Tree .............. S-17 3-3. Setting in the Tech. Rep. Mode ............... S-20 4. SECURITY MODE ................... S-42 4-1. Security Mode Function Setting Procedure ..........S-42 4-2.
Page 17 P-22: Color Shift Adjust failure ............T-33 P-23: ATVC(C) failure ..............T-34 (10) P-24: ATVC(M) failure ..............T-34 (11) P-25: ATVC(Y) failure ..............T-34 (12) P-26: ATVC(Bk) failure ..............T-34 (13) P-27: ATVC(2nd) failure ..............T-34 3-2. Malfunction Detection Timing and Troubleshooting Procedure ....T-35 C0000: Main Motor’s failure to turn ..........
Page 18 (40) C0F31: Abnormally high toner density detected Cyan ATDC Sensor .................. T-51 (41) C0F32: Abnormally low toner density detected Magenta ATDC Sensor .................. T-51 (42) C0F33: Abnormally high toner density detected Magenta ATDC Sensor .................. T-51 (43) C0F34: Abnormally low toner density detected Yellow ATDC Sensor ..................
Page 19 (80) C13D1: Cyan IU EEPROM access error ......... T-65 (81) C13D2: Magenta IU EEPROM access error ........T-65 (82) C13D3: Yellow IU EEPROM access error ........T-65 (83) C13D4: Black IU EEPROM access error ......... T-65 (84) C13D5: Cyan LPH correction data download failure ....... T-66 (85) C13D6: Magenta LPH correction data download failure ....
Page 20 (16) Printer Monocolor: uneven density in CD ........T-90 (17) Printer Monocolor: low image density ..........T-91 (18) Printer Monocolor: gradation reproduction failure ......T-93 (19) Printer Monocolor: foggy background ..........T-95 (20) Printer Monocolor: void areas, white spots ........T-97 (21) Printer Monocolor: colored spots .............
Page 21: General
GENERAL 14413...
Page 22: Specification
SPECIFICATION Type Freestanding scanner and printer separated from each other Original Scanning Scanning in main scanning direction with a reduc- tion-type color CCD (One Scan Reading System) PC Drum Type OPC (organic photoconductor) Copying System Electrostatic dry-powdered image transfer to plain paper Scanning Density Equivalent to 600 dpi...
Page 23 Multiple Copies 1 to 999 copies Warming-up Time 5 min. or less (at ambient temperature of 20 °C, and rated source voltage) 68 ° F First Copy Time 31-cpm Copier 20-cpm copier Full Color 9.9 sec. 14.1 sec. Mono Color 7.9 sec.
Page 24 Dimensions With Rack Width..596 mm, 23-1/2 Depth..792 mm, 31-1/4 Height..1025 mm, 40-1/4 Engine + 2nd Drawer Width..596 mm, 23-1/2 Depth..730 mm, 28-3/4 Height..571 mm, 22-1/2 Scanner Width..589 mm, 23-1/4 Depth..730 mm, 28-3/4 Height..152 mm, 6 Weight Engine+ 2nd Drawer..85 kg, 187-1/2 lbs Scanner......19.5 kg, 43 lbs Rack........18 kg, 39-3/4 lbs...
Page 25: Precautions For Installation
PRECAUTIONS FOR INSTALLATION 2-1. Installation Site To ensure safety and utmost performance of the copier, the copier should NOT be used in a place: • Where it will be subjected to extremely high or low temperature or humidity. • Where it will be subjected to sudden fluctuations in either temperature or humidity. •...
Page 26: Precautions For Use
PRECAUTIONS FOR USE 3-1. To ensure that the copier is used in an optimum condition • Never place a heavy object on the copier or subject the copier to shocks. • Insert the power plug all the way into the outlet. •...
Page 27: Handling Of Consumables
HANDLING OF CONSUMABLES Before using any consumables, always read the label on its container carefully. • Paper can be easily damaged by dampness. To prevent absorption of moisture, store paper, which has been removed from its wrapper but not loaded in the drawer, in a sealed plastic bag in a cool, dark place.
Page 28: Other Precautions
OTHER PRECAUTIONS CAUTION Double pole / neutral fusing ATTENTION Double pôle / fusible sur le neutre. LED RADIATION SAFETY • This product is a copier which operates by means of a LED (light emitting diodes) expo- sure system. There is no possibility of danger from the LED optical radiation, because the LED optical radiation level does not exceed the acceptable radiation limit of class 1 under all conditions of operation, maintenance, service and failure.
Page 29: System Options
SYSTEM OPTIONS C4025o263AA 4025G001AA C4025o264AA 1. Duplexing Document Feeder AFR-18 13. Copier Stand CS-2 2. Scanner SC-1 14. Data Terminal DT-105 3. Copier printer section ( U.S.A .and Canada only) 4. Large Capacity Cabinet PF-121 15. Memory M256-2* 5. Copy Desk CD-2M 16.
Page 30 MAINTENANCE 14413...
Page 31: Maintenance Schedule
MAINTENANCE SCHEDULE • To ensure that the copier produces good copies and to extend its service life, it is recom- mended that the maintenance jobs described in this schedule be carried out as instruced. Maintenance Cycle Ref. Page PM Parts Parts No.
Page 32 Maintenance Cycle Ref. Page PM Parts Parts No. in This Clean Replace Manual Imaging Unit C/M/Y — 52 K — E-22 Imaging Unit Bk — 82 K — Ozone Filter — 152 K 4025-0447-01 E-15 10 K or Comb electrode When image —...
Page 33: Guideline For Life Specifications Values By Unit
1-1. Guideline for Life Specifications Values by Unit new copy/print Description Life Value cycle is inhibited A waste toner full condition is detected when Waste Toner 31-cpm Copier) 20-cpm about 3.5 K( 6.9 K( — 30 K Bottle Copier) copies are made after a waste toner near-full condition has been detected.
Page 34 NOTES • *When the life specifications value (inhibit) is reached, the initiation of a new copy/print cycle is inhibited if “User” is selected for “Unit Change” accessed from “System Input” available under “Tech. Rep. Mode” and the life warning display is given if “Service” is selected for the same function (“Unit Change”) •...
Page 35: Disassembly/Reassembly And Cleaning
DISASSEMBLY/REASSEMBLY AND CLEANING Cleaning of the Paper Take-Up Roller 1. Slide out the drawer. 2. Using a soft cloth dampened with alcohol, wipe the Paper Take-Up Roller clean of dirt. 4658D005AA Replacing of the Paper Take-Up Roller 1. Slide out the drawer. 2.
Page 36: Replacing Of The Separator Roll Assy
3. Using a soft cloth dampened with alcohol, wipe the Paper Separator Roll clean of dirt. 4658D006AA Replacing of the Separator Roll Assy 1. Slide out the drawer. 2. Remove two screws and the Paper Separator Roll mounting bracket assy and reinforcement plate.
Page 37: Cleaning Of The Synchronizing Rollers
Cleaning of the Synchronizing Rollers 1. Open the Right Door. 2. Remove the Paper Dust Remover. See (7) Replacing the Paper Dust Remover. 4004D206AB 3. Using a soft cloth dampened with alcohol, wipe Synchronizing Rollers the Synchronizing Rollers clean of dirt. 4004D205AC Cleaning of the Paper Dust Remover 1.
Page 38: Replacing Of The Paper Dust Remover
Replacing of the Paper Dust Remover 1. Open the Right Door. 2. Pushing the hook with a blue label inward, remove the Paper Dust Remover. 3. Remove the Ozone Filter. [See (17) Replace- ment of the Ozone Filter.] 4. To reinstall, reverse the order of removal. →...
Page 39: Cleaning Of The Scanner Rails
(10) Cleaning of the Scanner Rails 1. Remove three screws and the IR Right Cover. 4025E003AA 2. Remove one screw each and the Original Glass fixing bracket (at the front and rear). 3. Remove the Original Glass. 4025E004AA 4. Using a soft cloth dampened with alcohol, wipe the Scanner Rails clean of dirt.
Page 40: Cleaning Of The Mirrors (1St/2Nd/3Rd
(11) Cleaning of the Mirrors (1st/2nd/3rd) 1. Remove three screws and the IR Right Cover. 4025E003AA 2. Remove one screw each and the Original Glass fixing bracket (at the front and rear). 3. Remove the Original Glass. 4025E004AA 4. Using a soft cloth dampened with alcohol, wipe 2nd/3rd Mirror 1st Mirror mirrors clean of dirt.
Page 41: Cleaning Of The Lens
(12) Cleaning of the Lens 1. Remove three screws and the IR Right Cover. 4025E003AA 2. Remove one screw each and the Original Glass fixing bracket (at the front and rear). 3. Remove the Original Glass. 4025E004AA 4. Remove fourteen screws and the optical cover. 4025E006AB 5.
Page 42: Cleaning Of The Ccd Sensor
(14) Cleaning of the CCD Sensor 1. Remove three screws and the IR Right Cover. 4025E003AA 2. Remove one screw each and the Original Glass fixing bracket (at the front and rear). 3. Remove the Original Glass. 4025E004AA 4. Remove fourteen screws and the optical cover. 4025E006AB 5.
Page 43: Replacing The Waste Toner Bottle
(15) Replacing the Waste Toner Bottle NOTES • If a Finishing Option is installed, remove if from the Main Unit before trying to replace the Waste Toner Bottle. • When removing the Finishing Option, support the Horizontal Transport Unit with your hand to prevent if from dropping.
Page 44: Cleaning Of The Area Around The Waste Toner Collecting Port
9. Close the Left Door. 4025E010AA (16) Cleaning of the Area around the Waste Toner Collecting Port 1. Open the Rear Left Cover. 2. Remove the Waste Toner Bottle. 4004D221AA 3. Wipe the areas around the Waste Toner Collect- ing Port clean of spilled toner and dirt using a soft cloth dampened with water or alcohol.
Page 45: Replacing Ozone Filter
(17) Replacing Ozone Filter 1. Holding onto the hook, remove the Ozone Filter. 2. Remove the Paper Dust Remover. [See (7) Replacement of the Paper Dust Remover.] 3. To reinstall, reverse the order of removal. → → 4. Select “Tech. Rep. Mode” “Counter”...
Page 46: Cleaning Lph Assy
(19) Cleaning LPH Assy NOTE • After the Imaging Unit has been removed from the main unit, be sure to place it in the aluminum package or wrap it in a light shielding cloth, and store it in a dark place. Do not leave the Imaging Unit exposed to light for a extended period of time, as it may become damaged.
Page 47: Cleaning Of The Fusing Entrance Guide Plate
(20) Cleaning of the Fusing Entrance Guide Plate 1. Remove the Fusing Unit. E-26 2. Using a soft cloth or cotton swab dampened with alcohol, wipe clean the Fusing Entrance Guide Plate. NOTES • Use care when cleaning the Fusing Entrance 4025E016AA Guide Plate as it is easy to damage.
Page 48: Replacing The Units
Replacing the Units Replacing the Image Transfer Roller Unit Removal Procedure NOTES • If a Finishing Option is installed, remove if from the main unit before trying to replace the Waste Toner Bottle. • When removing the Finishing Option, support the horizontal transport unit with your hand to prevent if from dropping.
Page 49: Replacing The Image Transfer Belt Unit
Replacing the Image Transfer Belt Unit Removal Procedure NOTES • If a Finishing Option is installed, remove if from the main unit before trying to replace the Transfer Belt Assembly. • When removing the Finishing Option, support the horizontal transport unit with your hand to prevent if from dropping.
Page 50 Reinstallation Procedure NOTE • When installing the Transfer Belt Unit, use care not to touch the Transfer Film with hands. (Fingerprints on the Transfer Film result in image problems.) 1. Insert the Transfer Belt Unit halfway up to the point shown on the left. NOTES •...
Page 51 7. Place the remainder toner on the paper towel that comes with the Transfer Belt Unit and apply an even coat of toner on the Transfer Belt (up to 15 mm from both edges). NOTE • The toner, even if there is any remaining should NOT be used in the copier.
Page 52: Replacing The Imaging Unit (C, M, Y, Bk
13. Hold the handle and install the Waste Toner Bot- tle in position. 4025E009AA 14. Close the Left Door. 4025E010AA 15. Close the Right Door. NOTE • Make sure that the door is locked in position both at front and rear. 16.
Page 53 6. Remove the IU removal jig (“T” Handle) for the Imaging Unit from the Main unit. C4587U004AA 7. Set the removal jig of the Imaging Unit in place. 8. Slowly rotate the jig clock-wise until it is fixed. C4587U005AA 9. Position the Imaging Unit Pull-out Tray under the Imaging Unit and insert it all the way into position.
Page 54 Reinstallation Procedure 1. Remove the Imaging Unit from its aluminum pack. 2. Tilt the Imaging Unit to the left and shake it a small stroke in the tilt direction twice. Then, tilt it to the right and shake it a small stroke in the tilt direction twice.
Page 55 6. Holding the underside of the Imaging Unit with your left hand, gently insert the Imaging Unit with your right hand. NOTE • Insert the Imaging Unit until a click is heard. 4025U029AB 7. Remove the Imaging Unit Cover. 8. Check that the Imaging Unit has been inserted all the way in the copier.
Page 56: Replacing The Fusing Unit
Replacing the Fusing Unit Removal Procedure NOTE • Before replacing the Fusing Unit, ensure that it has had time to cool down. 1. Turn OFF the main switch, then wait for about 20 minutes. 2. Open the Right Door. 4025E018AA 3.
Page 57 Reinstallation Procedure 1. Hold the handles (at two places) and place the Fusing Unit in position. 4025E044AA 2. Hold the handles (at two places) and push the Fusing Unit into position. 4025E044AB 3. Close the Upper Right Door. 4025E046AA 4. Close the Right Door. NOTE •...
Page 58: Dis/Reassembly, Adjustment
DIS/REASSEMBLY, ADJUSTMENT 14413...
Page 59: Service Instructions
SERVICE INSTRUCTIONS 1-1. IDENTIFICATION OF FUSES DC Power Supply 3 PU201 F1: 250 V 5 A F100: 250 V 3.15 A DC Power Supply 2 PU2 4025D001AA 100 V Area F1: 125 V 4 A 200 V Area F1: 250 V 4 A DC Power Supply 1 PU1 100 V Area F1: 250 V 15 A...
Page 60: Parts Which Must Not Be Touched
1-2. PARTS WHICH MUST NOT BE TOUCHED Red painted Screws 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 representa- tive screw may be marked with red paint.
Page 61: Disassembly/Reassembly
DISASSEMBLY/REASSEMBLY 2-1. DOORS, COVERS, AND EXTERIOR PARTS: IDENTIFICATION AND REMOVAL PROCEDURES 4025D003AA 4025D004AA Name Removal Procedure → Remove the IR Upper Right Cover. Remove one screw and the → Original Glass Original Glass fixing brackets (front and rear). Remove the Origi- nal Glass.
Page 62 4025D005AA 4025D006AA Name Removal Procedure → → Open the Left Door. Remove the Waste Toner Bottle. Remove Rear Left → Cover the Ozone Filter. Remove two screws and the Rear Left Cover. → Panel Cover Open the Front Door. Remove one screw and the Panel Cover. →...
Page 63: Removal Of Circuit Boards And Other Electrical Components
2-2. REMOVAL OF CIRCUIT BOARDS AND OTHER ELECTRICAL COMPONENTS NOTES • 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.
Page 64 PWB-G PWB-F PWB-IO PWB-PIC PWB-I 4025D008AA PWB-S1 PWB-LED PWB-S 4025D009AB...
Page 65 Symbol Name Removal Procedure → Remove the Rear Upper Cover. Remove the Rear → Left Cover. Remove three screws and the upper PWB-IO IO Board → rear left metal bracket. Remove five screws and the IO Board. → Remove the I/O Board. Remove four screws and PWB-G Option Interface Board...
Page 66: Removal Of The Ccd Unit
Removal of the CCD Unit 1. Remove the Original Glass. 2. Remove 14 screws and optical cover. 4025E006AB 3. Remove the Image Processing Interface Board Image Processing cable from the CCD Unit. Interface Board 4025D113AA 4. Unplug connector 4025D114AA 5. Remove four screws and the CCD Unit. NOTE •...
Page 67 Reinstallation Procedure 1. Align the CCD Unit with the center of the gradua- tions as illustrated on the left and then tighten the four screws. 4025D116AA 2. Reinstall the Original Glass. 3. Turn ON the Power Switch. 4. Carry out the adjustment procedure for CD-Mag. (see D-67). If the specifications are not met, loosen the CCD Unit mounting screws and move the CCD Unit in the FD direc- tion as necessary.
Page 68: Removal Of The Image Processing Board And Image Processing Interface Board
Removal of the Image Processing Board and Image Processing Interface Board 1. Remove the Original Glass. 2. Remove 14 screws and optical cover. 4025E006AB 3. Unplug the connectors and remove the cord clamps of the Original Size Detecting Sensors. 4. Remove 12 screws and the Image Processing Board lid.
Page 69 8. Remove two screws. 4025D013AA 9. Remove eight screws and the Image processing Board. Upgrade the firmware after the replacement. 4025D014AA D-11...
Page 70: Removal Of The Image Control Board
Removal of the Image Control Board 1. Remove the Rear Cover. <Copier Side Face> 2. Remove eight screws at the I/F cable connection (five on the side face and three on the rear face of the copier). 4334O014AA <Copier Rear Face> 4334O015AA 3.
Page 71: Removal Of The High Voltage Unit (Pc Drum Ch.), High Voltage Unit (Image Transfer, Neutralizing), High Voltage Unit (Developing Bias), And Paper Size Detecting Board
Removal of the High Voltage Unit (PC Drum CH.), High Voltage Unit (Image Transfer, Neutralizing), High Voltage Unit (Developing Bias), and Paper Size Detecting Board 1. Remove the Rear Upper Cover. 2. Remove the Rear Left Cover. 3. Remove the Rear Right Cover. 4.
Page 72 10. Remove 11 screws and lift the PWB box upward and off the copier. 4025D019AA 11. Disconnect connectors, terminals, and flat cable from the High Voltage Unit (Image Transfer, Neu- tralizing). 12. Remove six screws and the High Voltage Unit (Image Transfer, Neutralizing).
Page 73: Removal Of Dc Power Supply 1
Removal of DC Power Supply 1 1. Remove the Upper Cover (Exit Tray). Then renumber the remaining steps. 2. Remove six screws and the PWB cover. 4025D024AA 3. Remove four screws and the PWB cover. 4025D025AA 4. Unplug all connectors from DC Power Supply 1. 4025D026AA 5.
Page 74: Removal Of Units
2-3. Removal of Units Removal of the Toner Hopper Unit 1. Open the Front Door. 2. Remove the Toner Cartridge (C, M, Y, Bk). 3. Remove the IU (C, M, Y, Bk). NOTE • After the Imaging Unit has been removed from the main unit wrap it in the light shielding cloth and store it in a dark place.
Page 75: Removal Of The Lph Unit
Removal of the LPH Unit 1. Open the Front Door. 2. Slide out the IU (C, M, Y, Bk). NOTES • After the IU has been pulled out, place the IU lock lever back into the locked position. • When installing the Imaging Unit into the main unit, make sure that the Toner supply shutter is opened if the Imaging Unit Lower Cover is not used.
Page 76 8. Open the Right Door and Left Door and remove the Waste Toner Bottle and Transfer Belt Unit. 9. Turning the IU (C, M, Y, Bk) drive hub, push it into the locked position (at four places). NOTES • During the locking procedure, use care not to touch the LED surface.
Page 77: Disassembly Of The Ir Unit
2-4. Disassembly of the IR Unit Removal of the Scanner Motor 1. Remove the IR Rear Cover. 2. Remove 11 screws and the reinforcement frame. 4025D033AA 3. Remove the tension spring for the Scanner Motor timing belt. 4025D034AA 4. Remove three screws and the Scanner Motor Assy.
Page 78: Remove Of The Scanner Assy
Remove of the Scanner Assy 1. Remove the Original Glass. 2. Move the Scanner Assy to the location shown and remove one mounting screw each at the front and rear end. 4004D202AA Scanner mounting Screws NOTE • Do not remove the Scanner Positionng Screws. 4025D038AA Scanner positioning Screws...
Page 79: Removal Of The Scanner Drive Cables
Removal of the Scanner Drive Cables 1. Remove the IR RearCover. 2. Remove four screws and Control Panel. 4025D042AA 3. Remove the holding bracket and flat cable. 4025D041AB 4. Remove four screws and the control panel base. 4025D040AA 5. Remove the IR Front Cover. 6.
Page 80 11. Remove the Scanner Motor Assy. D-19 12. Remove one screw and then slide the front pulley toward the front. 4002D112AA 13. Remove one screw and then slide the rear pulley toward the front. 4002D113AA 14. Remove one screw and the Scanner drive gear. 4025D043AA 15.
Page 81: Winding Of The Scanner Drive Cables
Winding of the Scanner Drive Cables Pulley C Pulley E Pulley F Pulley B Pulley D Pulley A 4025D045AA 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.
Page 82 2. Wind the fixed bead end of the cable around the pulley five turns clockwise, from the rear toward the front side. 4025D047AA 3. Wind the hook end of the cable around the pulley five turns counterclockwise, from the front toward the rear side.
Page 83 7. Wind the hook end of the cable around the pulley five turns counterclockwise, from the rear toward the front side. NOTE • Make sure that no part of the cable rides on the other. 4025D053AB 8. Slip the Cable Holding Jig onto the pulley to secure the cable in position.
Page 84 11. Secure the front and rear pulleys using one screw each. 4025D058AA 12. Mount the Scanner Motor Assy. D-19 4025D117AA Front 13. Wind the bead end of the cable around pulley C Pulley B and pulley B, then hook the bead onto the Adjust- Pulley C able Anchor.
Page 85 Rear Pulley E 16. Wind the bead end of the cable around pulley F and pulley E, then hook the bead onto the Adjust- Pulley F able Anchor. 4002D010AA 17. Wind the hook end of the cable around pulley D Pulley E and pulley E.
Page 86: Cleaning And Disassembly Of The Engine Parts
2-5. CLEANING AND DISASSEMBLY OF THE ENGINE PARTS Cleaning of the Transfer Belt Unit 1. Remove the Transfer Belt Unit. Meintenance Schedule Section 2. Wipe the surface of the Transfer Belt with a dry cloth. 4004D228AA NOTES • If the dry cloth is not effective in removing dirt, dampen it with alcohol. •...
Page 87: Removal Of The Imaging Unit Motor C/M/Y/Bk
Removal of the Imaging Unit Motor C/M/Y/Bk 1. Remove the Rear Upper Cover. 2. Remove the Rear Left Cover. 3. Remove the Rear Right Cover. 4. Remove five screws and the harness protective metal bracket. 4025D015AA 5. Remove three screws, unplug three connectors, and remove the rear left metal bracket.
Page 88: Removal Of The Main Motor
11. Remove the LPH Unit. D-17 12. Unplug two connectors. 13. Remove four screws and Imaging Unit Motor Y. 4025D135AA 14. Unplug two connectors each. 15. Remove four screws each and Imaging Unit Motor M/C/Bk. 4025D136AA Removal of the Main Motor 1.
Page 89: Removal Of The Fusing Drive Motor
Removal of the Fusing Drive Motor 1. Remove the PWB Box. D-13 (steps 1 through 10) 2. Remove four screws and the Cooling Fan Assy. 4025D060AA 3. Unplug one connector. 4. Remove four screws and the Fusing Drive Motor. 4004D062AB Removal of the Fusing Pressure/Retraction Motor 1.
Page 90 6. Snap off one E-ring and remove the gear and pin. NOTE • Use care not to lose the pin. 7. Snap off one E-ring and remove the bushing. 8. Remove two screws and the Fusing Retraction Position Sensor mounting bracket. 4004D125AA 9.
Page 91: Removal Of The 1St Image Transfer Pressure/Retraction Motor
Removal of the 1st Image Transfer Pressure/Retraction Motor 1. Remove the PWB Box. D-13 (steps 1 through 10) 2. Remove four screws and the Cooling Fan Assy. 4025D060AA 3. Disconnect connectors, terminals, and flat cable. 4. Remove six screws and slide the High Voltage Unit (Image Transfer, Neutralizing) to the left and off the copier.
Page 92: Removal Of Toner Replenishing Motor Y/M
Removal of Toner Replenishing Motor Y/M 1. Remove the Toner Hopper. D-16 2. Unplug one connector. 3. Remove two screws and the Front Door Switch Assy. 4025D050AA 4. Remove one screw and the gear. 4025D055AA 5. Remove two screws. Then, turn the Toner Replenishing Motor Y/M counterclockwise and take it off the copier.
Page 93: Removal Of The Transport Roller Motor
4. Remove two screws and the 2nd Image Transfer Pressure/Retraction Motor. 4025D064AA (10) Removal of the Transport Roller Motor 1. Open the Right Door. 2. Unlock the tab and remove the Transport Unit Assy. 4025D062AA 3. Remove one screw, ground wire, and ground plate.
Page 94 8. Snap off the C-clip and remove two Gears. 4025D067AA 9. Remove three screws and the mounting bracket. 4025D068AA 10. Remove two screws and the Transport Roller Motor. 4025D069AA D-36...
Page 95: Removal Of Aidc/Registration Sensor 1/2
(11) Removal of AIDC/Registration Sensor 1/2 1. Remove the Front Right Door. 2. Remove one screw and the Tech. Rep. Setting Switches Board Assy. 4025D070AA 3. Unplug three connectors 4025D071AA 4. Open the Right Door. 5. Remove four screws and the Synchronizing Roller entrance guide.
Page 96: Removal Of The Lph Assy
8. Remove two screws, unplug one connector, and remove AIDC/Registration Sensor 2. 4025D075AA (12) Removal of the LPH Assy 1. Remove the LPH Unit. D-17 2. Remove two screws, unplug one connector, and remove the Guide Assy. 4025D076AA 3. Remove two screws and, holding the LPH Assy with hands, unlock it.
Page 97 Reinstallation Procedure 1. Install the LPH Assy mounting jigs. 4025D079AA 2. Unlock the LPH Assy and place the pivot tabs (at two places) at the upper position. 4025D081AA 3. Insert the flat cable into the LPH Assy and lock Seal the LPH Assy.
Page 98: Removal Of Atdc Sensor Y/M/C
6. Unlock the LPH Assy. 4025D084AA 7. Hook the springs and press the LPH Assy down into the locked position. 4025D085AA 8. Remove the LPH Assy mounting jigs. 9. Install the two screws. 4025D083AA 10. Install the two screws to secure the guide assy. 11.
Page 99: Removal Of The Led Drive Board
(14) Removal of the LED Drive Board 1. Remove the LPH Unit. D-17 2. Remove two screws each, unplug one connector each, and remove each guide assy. 4025D089AA 3. Remove the flat cables (eight). 4025D090AB 4. Remove eight screws, unplug two connectors, and remove the LED Drive Board.
Page 100: Adjustments
ADJUSTMENTS • The adjustment procedures must be carried out in the order of printer and IR. 3-1. ADJUSTMENT JIGS AND TOOLS USED 4025D118AA 4004D185AA Scanner Drive Cable Imaging Unit Removal Jig Holding Jig (“T” Handle) 4025D120AA 4004D186AA LED Cleaning Jig LED Cleaning Jig Pad 4025D121AA LPH Assy Mounting Jigs...
Page 101: Mechanical Adjustment
3-2. MECHANICAL ADJUSTMENT Adjustment of the Scanner Motor Timing Belt This adjustment must be made in the following case: • The Scanner Motor Assy has been removed. • The Scanner Drive Cables have been rewound. 1. Remove the IR Rear Cover. 2.
Page 102: Focus Positioning Of The Scanner And 2Nd/3Rd Mirrors Carriage
Focus Positioning of the Scanner and 2nd/3rd Mirrors Carriage This adjustment must be made in the following case: • The Scanner Drive Cables have been rewound 1. Slide the 2nd/3rd Mirrors Carriage to the center until it is pressed up against the cutouts in the rails.
Page 103: Electrical/Image Adjustment
3-3. ELECTRICAL/IMAGE ADJUSTMENT Accessing the Tech. Rep. Mode 1. Press the Utility key. 2. Touch [Meter Count]. 3. Press the following keys in this order: Stop → 0 → 0 → Stop → 0 → 1 NOTE • Ensure appropriate security for Tech. Rep. mode setting procedures. They should NEVER be shown to any unauthorized person not involved with service jobs.
Page 104: Top Margin
Printer Top Margin Requirement Width A on the test pattern produced should fall within the following range. Width 4004D511AA Specifications Adjustment Mode Setting Range 5.0 or 7.0 ± 1.0 mm Top Margin -2.0 mm to +2.0 mm The leading edge erase width is set to 5 mm or 7 mm by “Erase” under the “Administrator Mode”...
Page 105 17. Select “Cyan,” “SINGLE,” and “HYPER.” 18. Press the Clear key to clear the density setting. 19. Enter “255” from the 10-Key Pad. 20. Press the Start key to let the copier produce a test pattern. 21. Check to see if the image on the leading and trailing edges of the test pattern is faint. If the image is faint: 22.
Page 106: Left Margin
Left Margin Requirement Width A on the test pattern produced should fall Width A within the following range. 4004D512AA Specifications Adjustment Mode Setting Range 3.0 ± 1.0 mm Left Margin -3.0 mm to +3.0 mm This adjustment must be made in the following case: •...
Page 107: Dup. Left Margin
Dup. Left Margin Requirement Width A on the test pattern produced should fall Width A within the following range. 4004D512AA Specifications Adjustment Mode Setting Range 3.0 ± 1.0 mm Dup. Left Margin -3.0 mm to +3.0 mm This adjustment must be made in the following case: •...
Page 108: Zoom For Fd
Zoom for FD Requirement Width A and width B on the test pattern produced should fall within the following ranges. Width Width A : equivalent to one grid Width Width B : equivalent to 48 grids 4025D126AD Specifications Adjustment Mode Setting Range Width A: 7.9 to 8.3 mm -10 to +10...
Page 109: Color Shift Correction
Color Shift Correction This adjustment must be made in the following case: • Color shift occurs. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Machine Adjust” → “Color Shift Correction.” 3.
Page 110 Adjustment for X direction: Check point X • If the cross deviates in the direction of C, decrease the setting. • If the cross deviates in the direction of D, increase the setting. Direction of D Direction of C C4025s313AA C4025s314AA Adjustment for Y direction: Check point Y •...
Page 111: Leading Edge Skew Adjustment
Leading Edge Skew Adjustment This adjustment must be made in the following case: • Leading edge skew occurs. • The LPH Assy Bk has been replaced. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Machine Adjust” → “Color Shift Correction.” 3.
Page 112: Lph Chip Adjust
LPH Chip Adjust This adjustment must be made in the following case: • White lines or black lines in FD occur • The LPH Assy has been replaced. • The LPH Unit has been replaced. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2.
Page 113: Gradation Adjust
(10) Gradation Adjust This adjustment must be made in the following case: • Color reproduction performance becomes poor. • The IU has been replaced. • The Image Transfer Belt Unit has been replaced. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2.
Page 114: Prt Max Density
(11) PRT Max Density This adjustment must be made in the following case: • An image quality problem is not corrected even after Gradation Adjust has been run. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Image Adjust” → “PRT Max Density.” 3.
Page 115: Prt Highlight
(12) PRT Highlight This adjustment must be made in the following case: • An image quality problem is not corrected even after Gradation Adjust has been run. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Image Adjust” → “PRT Highlight.” 3.
Page 116: Background Voltage Margin
(13) Background Voltage Margin This adjustment must be made in the following case: • Foggy background occurs. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Image Adjust” → “Background Voltage Margin.” 3.
Page 117: Atdc Level Setting
(14) ATDC Level Setting This adjustment must be made in the following case: • T/C is changed as a result of changes in environmental conditions. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Image Adjust” → “ATDC Level Setting.” 3.
Page 118: Ae Adjust
(15) AE Adjust This adjustment must be made in the following case: • Foggy background occurs in the Auto Exposure mode. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Image Adjust” → “AE Adjust.” 3.
Page 119: 2Nd Transfer Adjust
(16) 2nd Transfer Adjust This adjustment must be made in the following case: • A transfer failure occurs at the trailing edge (only with plain paper). Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2. Touch these keys in this order: “Image Adjust” → “2nd Transfer Adjust.” 3.
Page 120: Fuser Temp
(17) Fuser Temp. This adjustment must be made in the following case: • Fusing performance is poor or offset occurs when the paper type or environmental condi- tions are changed. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2.
Page 121: Fuser Speed
(18) Fuser Speed This adjustment must be made in the following case: • Brush effect or blurred image is evident as a result of changes in environmental condi- tions or degraded durability. Adjustment Procedure 1. Call the Tech. Rep. Mode to the screen. 2.
Page 122: Touch Panel Adj
(19) Touch Panel Adj. NOTE • Make this adjustment if the Touch Panel is slow to respond to a pressing action. 1. Press the following keys: Stop → 0 → Stop → 3 2. Using the tip of a pen or similar object, touch the four crosses (+) on the screen in sequence.
Page 123: Left Image
(20) Left Image Requirement • The position of 0 mm of the scale on the sample Scale 0-mm copy produced should fall within the following Position range. • The adjustment of Left Margin on the printer side must have been made to meet the specifications. D-48 4004D514AA Specifications...
Page 124: Top Image
(21) Top Image Requirement • The position of 10 mm of the scale on the sample Scale 10-mm Position copy produced should fall within the following range. • The adjustment of Top Margin on the printer side must have been made to meet the specifications. D-46 4004D515AA Specifications...
Page 125: Cd-Mag
(22) CD-Mag. Requirement • The 200-mm width of the scale on the sample copy 200 mm produced should fall within the following range. • The adjustment of Zoom for FD on the printer side must have been made to meet the specifications. D-50 4004D516AB Specifications...
Page 126: Fd-Mag
(23) FD-Mag. Requirement • The 300-mm width of the scale on the sample copy 300 mm produced should fall within the following range. • The adjustment of Zoom for FD on the printer side must have been made to meet the specifications. D-50 4004D517AB Specifications...
Page 127: Org. Detect Sensor
(24) Org. Detect Sensor This adjustment must be made in any of the following cases: • The Original Size Detecting Sensor has been replaced. • The optional Original Size Detecting Sensors have been added. • The copier fails to detect the size of the original correctly. Adjustment Procedure 1.
Page 128: Other Adjustments
OTHER ADJUSTMENTS 4-1. INSTALLATION OF THE MECHANICAL COUNTER (OPTION) 1. Open the Front Door. 2. Remove the Panel Cover. 3. Open the Right Door. 4. Cut out the knockout in the Front Right Cover. C4004U267AA 5. Remove two screws and the Right Front Cover. C4004U268AA 6.
Page 129: Mount The Optional Original Size Detecting Sensors
4-2. MOUNT THE OPTIONAL ORIGINAL SIZE DETECTING SEN- SORS NOTE • When an Original Size Detecting Sensor has been added, select “SET” in “Org. Detect Option Sensor” of “System Input” available from the “Tech. Rep. Mode” and run “Org. Detect Sensor” of “Machine Adjust.” 1.
Page 130: Flash Memory
4-3. FLASH MEMORY • Firmware is upgraded by means of the memory card (IC card). NOTE • NEVER remove or insert the memory card with the copier power turned ON. 1. With the Power Switch in the OFF position, unplug the power cord from the power out- let.
Page 131 6. Press the Start key. This starts the data rewriting sequence. (At this time, the Start key starts blinking red.) Time Required for Rewriting Three types at once approx. 20 min. approx. 1 min. 30 sec. approx. 6 min. approx. 18 min. 30 sec. 7.
Page 132: Remounting Ram Ic (Ic202
4-4. REMOUNTING RAM IC (IC202) 1. Remove the Image Control Board (PWB-F) from the copier. 2. Remove RAM IC (IC202) from the old Image Control Board (PWB-F). 3. Remove RAM IC (IC202) from the NEW Image Control Board (PWB-F) and then install the RAM IC (IC202) from the old Image Control Board (PWB-F) on the NEW Image Control Board (PWB-F).
Page 133: Switches On Pwbs, Tech. Rep. Settings
SWITCHES ON PWBs, TECH. REP. SETTINGS 14413...
Page 134: Function Of Switches And Other Parts On Pwbs
FUNCTION OF SWITCHES AND OTHER PARTS ON PWBs 1-1. PWB Location PWB-S1 4004S002AC 1-2. PWB-S1 (Tech. Rep. Setting Switches Board) 4002S002AB Symbol Name Description Resets a paper misfeed, malfunction, and Initialize Point erratic display. Clears data of various kinds stored in mem- MEMORY Memory Clear Test Point ory.
Page 135: Initialize Procedure
Initialize Procedure 1. Turn OFF the Power Switch. 2. With the circuit across pins of PJ2 closed, turn ON the Power Switch. 3. In about 5 sec., open the PJ2 circuit. 4. Check that the message “Initialize Completed” is displayed on the Touch Panel and then touch “END.”...
Page 136: Data/Conditions Cleared By Reset Switches/Pins
Data/Conditions Cleared by Reset Switches/Pins Clearing Method Front Door Trouble Memory Open/ Reset Initialize Clear Data Cleared Close Switch Misfeed display — Fusing Optical — Malfunction Scanner display C3FFF Others Erratic operation/display — Utility Mode — — — (Input, User’s Choice:1,2) Tech.
Page 137: Utility Mode
UTILITY MODE 2-1. Utility Mode Function Setting Procedure <Procedure> 1. Press the Utility key. 2. The Utility mode screen will appear. <Exiting> • Touch the “Fin. Time” key. <Changing the Setting Value in Utility Mode Functions> • Use the ID key to change the + sign to - sign, or vice versa. •...
Page 138: Utility Mode Function Tree
2-2. Utility Mode Function Tree Copy Reset Mode Scan Input Job Memory Input Meter Count Confirmation Beep Date/Time Set Memory Recall User’s Choice: 1 Auto Panel Reset Energy Saver Sleep Auto Clear Mode Utility Mode Specialty Paper Priority exit tray Intelligent Sorting Criss Cross Mode Priority Device...
Page 139: Administrator Mode Function Tree
Administrator Mode Function Tree Top Erase Disable Sleep Mode Admin. set Full Bleed paper selection Language Selected Copy Track Mode Copy Track Data / Copy + Print Copy Track Copy Track Data / Copy Copy Track Data / Print Copy Track Set Admin.
Page 140: Setting In The Utility Mode
2-3. Setting in the Utility Mode Input Item Purpose Setting/Precautions To register the copy “Set-up Mode” mode functions or • The copy mode or scanner mode functions set scanner mode func- arbitrarily on the panel are registered. tions (when a printer “Factory Default”...
Page 141 User’s Choice: 1 Item Purpose Setting/Precautions To select whether to enable or dis- The default setting is ON. Confirmation able the beep that sounds each Beep time a key on the control panel is pressed. To set the time-of-day, date, and •...
Page 142 User’s Choice: 2 Item Purpose Setting/Precautions To set the paper type for the 2nd The default setting is Standard (plain Specialty through 4th Drawers. paper). (Standard, High Quality Paper, Paper Single Sided Only, Specialty) Set the priority exit tray for each The default settings are as follows (as of the copier print, PC print, and set with the corresponding number...
Page 143 Item Purpose Setting/Precautions To select the layout of copy The default setting is as follows: images in the 4in1 mode. Original 4in1 Copy Order To select whether to center the • The default setting is Yes. image with respect to the paper. Centering •...
Page 144 Admin. Mode • Entering the 4-digit administrator number set in the Tech. Rep. mode will allow you to enter the Admin. Mode (default value: 0000). Admin. set Item Purpose Setting/Precautions To set the leading edge erase • The default setting is 5 mm. amount of the paper.
Page 145 Copy Track Item Purpose Setting/Precautions To select whether to enable or • The default setting is No. disable the Copy Track func- Copy Track tion. Mode • If the option is changed from “Yes” to “No,” the Copy Track data is initialized. To set the account number and •...
Page 146 Expert Mode Item Purpose Setting/Precautions To fine-adjust density of The fine-adjustment can be made over a Thick Paper printed images of each color range of a total of five steps, two darker and OHP Film for thick paper and OHP trans- levels and two lighter levels around the Image Density parencies.
Page 147 Item Purpose Setting/Precautions (Stabilizer Mode) When the Start key is pressed, the image The image stabilization stabilization sequence is carried out with sequence is carried out with- reference to the historical data. out clearing the historical data of image stabilization control. When PRT Max Density, PRT Highlight, and Back- ground Voltage Margin of...
Page 148 Item Purpose Setting/Precautions To vary the print start position • Select the paper source and press the in the CD direction for each Start key. paper source in the 2-Sided • Check the test pattern and adjust so mode. that the void amount on the left edge of ±...
Page 149: Tech. Rep. Mode
TECH. REP. MODE 3-1. Tech. Rep. Mode Function Setting Procedure NOTE • Ensure appropriate security for Tech. Rep. mode function setting procedures. They should NEVER be shown to any unauthorized person not involved with service jobs. <Procedure> 1. Press the Utility key. 2.
Page 150: Tech. Rep. Mode Function Tree
3-2. Tech. Rep. Mode Function Tree Fuser Nip Fuser Temp. Fuser Speed Org. Detect Sensor Top Margin Left Margin PRT Area Dup. Left Margin Zoom for FD Left Image Top Image Machine IR Area CD-Mag Adjust FD-Mag Loop Adjust Color Shift Correction LPH Rank LPH Chip Adjust Center Binding...
Page 151 Marketing Area Org. Detect Option Sensor Serial # Input Tel. # Input System Input FLS Paper Book Erase (Center) Peripheral Setting Unit Change Memory Recall Hard Disk Life Trouble Counter Tech. Rep. Mode Warning Maintenance I/O Check Table # Level History 1 Level History 2 Temp.
Page 152 Original Stop Position Registration Loop Auto Adjust Stop Position ADF Check Paper Passage I/O Check Tray Volume Adjust Sensor Auto Adjust ROM Version CT-ID DT-ID Setting Mail Address Detail Tech. Rep. e-mail Date/Time Input Setting Mode RAM Clear ID Code CT-ID DT-ID TEL No.
Page 153: Setting In The Tech. Rep. Mode
3-3. Setting in the Tech. Rep. Mode Machine Adjustt Item Purpose Setting/Precautions To check the Fusing Roller • Press the Start key, which produces a test nip width. print. • Check that the fusing roller nip width mea- When a fusing failure ±...
Page 154 Item Purpose Setting/Precautions To vary the print start posi- • Select the appropriate position on the tion in the FD direction for paper type setting dial according to the each of different paper type of paper loaded in the 1st Drawer and types in the 1st Drawer.
Page 155 Item Purpose Setting/Precautions To adjust part-to-part varia- • With a scale placed in parallel with the tions in accuracy of IR parts Original Width Scale and with the lead- and their mounting accuracy ing edge of the scale pressed up by varying the scan start against the Original Length Scale, make position in the CD direction.
Page 156 Rollers. speeds. Loop Adjust 135 mm/s: -6 to +6 When a paper skew 90 mm/s: -10 to +10 (CF2002 only) occurs. 60 mm/s: -15 to +15 When a paper mis- • Use “Paper Passage” for paper passage feed occurs.
Page 157 Item Purpose Setting/Precautions LPH Rank Factory adjustment To correct intensity • Let the copier produce “LPH Pattern” of between LPH chips. “Test Print” and correct intensity between chips, in which the FD white line or black When a white line or line occurs.
Page 158 Item Purpose Setting/Precautions Memory To check corre- • Pressing the Start key will automatically Check spondence of data start a memory check sequence. As written to and that soon as the sequence is completed, the read from memory result of the check will be displayed. through write/read •...
Page 159 Item Purpose Setting/Precautions Hard Disk To check to see if • Pressing the Start key will start the hard R/W Check the hard disk is disk R/W check sequence and be termi- connected properly, nated automatically. and if read/write • The check result will be displayed, “OK” operation of the or “NG”.
Page 160 Image Adjust Item Purpose Setting/Precautions To adjust gradation, color, and If the setting value has been changed, be image density to target repro- sure to run an image stabilization duction levels by varying the sequence to make valid the new value. maximum amount of toner sticking to paper through auxil- PRT Max...
Page 161 Item Purpose Setting/Precautions To fine-adjust the second trans- • Variable range: -5 to +5 (-500 V to fer output (ATVC) for the first +500 V) side and the second side, • Less foggy setting: Increase the set- 2nd Transfer respectively. ting value.
Page 162 System Input Item Purpose Setting/Precautions To make the various Select the applicable marketing area and touch settings (language, “END” to set the marketing area. paper size, fixed zoom ratios, etc.) Marketing according to the Area applicable marketing area. Upon setup To let the copier rec- After the optional Original Size Detecting Sensor ognize an optional...
Page 163 Item Purpose Setting/Precautions To set the type of the con- See the Setup Instructions for the Controller. troller. Peripheral Setting When setting up the con- troller • To select who is to The following are the default settings: replace a unit. •...
Page 164 Counter • To clear the counts of two or more counters within a group or across different groups at once, touch “Counter Reset,” select the specific counters to be cleared, and touch “END.” Two or more counters can be selected. Item Purpose Setting/Precautions...
Page 165 Item Purpose Setting/Precautions To check the number • To clear the count of a counter, select the spe- of misfeeds that have cific part and press the Clear key. occurred at different • If a counter is cleared mistakenly, press the locations in the copier Interrupt key, which will undo the clearing opera- or to clear the count of...
Page 166 State Confirm Item Purpose Setting/Precautions To display the states of the • The operation of each of the switches and input ports of sensors and sensors can be checked on a real-time switches when the copier basis. remains stationary. • It can be checked as long as the 5-V I/O Check power line remains intact even when a Used for troubleshooting...
Page 167 Item Purpose Setting/Precautions To display the D/A value Following are the normal ranges to be used as of CCD clamp/gain for reference: ± R, G, and B. • Clamp: 100 for R, G, and B ± • Gain: Clamp value (R and B) 90 for R and Used for troubleshoot- CCD Check...
Page 168 Item Purpose Setting/Precautions To check various infor- • LPH Lot No.: LPH lot number (10 digits) mation on each of the • Average Exposure: Average light intensity C, M, Y, and Bk LPHs. • X: Print width accuracy • Y: Linearity accuracy •...
Page 169 ADF Check Item Purpose Setting/Precautions To make a manual adjustment • 1-Sided Set: Adjust the document stop of the document stop position position for the first side (-7 mm to +7 and scanning position in each mm). of the ADF modes. •...
Page 170 Item Purpose Setting/Precautions To set the maximum and the <Max. Width> minimum width for the width Slide the Document Edge Guides to their sensor. maximum width and press the Start key. Tray Volume Upon setup of the ADF <Min. Width> Adjust Narrow the Document Edge Guides to their minimum width and press the Start...
Page 171 RD Mode • Make the settings necessary when a Data Terminal is mounted. (For details, see Service Manual for Data Terminal.) Item Purpose Setting/Precautions To select the type of Select either “e-mail” or “Modem.” e-mail / Modem the RD system. To register the Tech.
Page 172 Administrator # Input Purpose Setting/Precautions To register the administrator number Enter a 4-digit number from the 10-Key Pad. for entering the Admin. Mode of Utility. Upon setup List Output Item Purpose Setting/Precautions To produce an output • Press the Start key, which will let the copier produce the list.
Page 173 Test Print • To check for image on the printer side by letting the copier produce various types of test pattern. • The copier searches through the paper sources in the order of the 2nd Drawer, 3rd Drawer, 4th Drawer, and 1st Drawer for paper of the maximum size for printing. Item Purpose Setting/Precautions...
Page 174 Item Purpose Setting/Precautions To produce an 8-color solid • Select SINGLE (single copy) or MULTI pattern. (multi copy). • . Select FEET or HYPER. 8 Color Solid Used for checking color • . Select Gradation or Resolution. Pattern reproducibility and •...
Page 175: Security Mode
SECURITY MODE 4-1. Security Mode Function Setting Procedure <Procedure> 1. Show the Tech. Rep. mode menu screen. 2. Press the following keys in this order. → Stop 3. Security Mode menu will appear. <Exiting> • Touch the “Fin. Time” key. 4-2.
Page 176: Settings In The Security Mode
4-3. Settings in the Security Mode Counter Setting Purpose Setting/Precautions To set the count- <Total Counter> ing method for the Mode 1: 1 Count per 1 copy cycle (Default: U.S.A. and Canada) Total Counter and Mode 2: Double count-up according to paper size and copying mode Size Counter.
Page 177 Admin. Choice Purpose Setting/Precautions To set whether or <Key Counter>(Plug-In Counter) not the Plug-In • Default setting: Unset Counter, Data • If “Set” is selected, select the counting method applicable when an Controller, and output is produced in color or mono color. Vendor are If “Mode 1”...
Page 178: Troubleshooting
TROUBLESHOOTING 14413...
Page 179: Introduction
INTRODUCTION • Information required for troubleshooting and steps that must be performed are described in this chapter. 1-1. Checking the electrical components • If a paper misfeed or malfunction occurs, perform the following operation to check the condition of the electrical components. Sensor Step Check...
Page 180: Solenoid
Solenoid Step Check Result Action Replace the control board. Does the output signal of the master board change from H to L when the solenoid is turned on? Replace the sole- noid. 4025T522AA Clutch Step Check Result Action Replace the control Does the output signal of the master board change from H to board.
Page 181: Motor
Motor Step Check Result Action Replace the control Does the LOCK signal switch to H when the machine goes board. Replace the into standby? motor. Replace the motor. Does the REM signal of the master board change from H to Replace the control L when the motor is turned on? board.
Page 182: I/O Check
1-2. I/O CHECK Check Procedure To allow sensors to be checked for operation easily and safely, data applied to the IC on the board can be checked on the panel with the copier in the standby state (including a mis- feed, malfunction, and closure failure condition).
Page 183: I/O Check List
I/O Check List <I/O Check Screens> • These are only typical screens which may be different from what are shown on each indi- vidual copier. 4025T560CA 4025T561CA 4025T562CA 4025T563CA 4025T564CA...
Page 184 <I/O Check List> Operation Characteris- Input CN/PJ tics/Panel Display Symbol Panel Display Part/Signal Name Board 1st Drawer 1st Drawer Set In position Out of IO Board PJ18IO- Sensor position (PWB-IO) Paper Empty 1st Drawer Paper Empty Sensor Paper not Paper PJ11IO- present present...
Page 185 Operation Characteris- Input CN/PJ tics/Panel Display Symbol Panel Display Part/Signal Name Board Lift-Up 1 Lift-Up Sensor 1 At raised Not at LCC Con- CN4A-6 position raised trol Board position (PWB-A) Lift-Up 2 Lift-Up Sensor 2 At raised Not at CN4A-9 position raised position...
Page 186 Operation Characteris- Input CN/PJ tics/Panel Display Symbol Panel Display Part/Signal Name Board PC29 Toner Waste Toner Waste Toner Full Detecting Sen- Unblocked Blocked IO Board PJ24IO- Collect (PWB-IO) PC18 Toner Box Set Waste Toner Bottle Set Sensor In position Out of PJ24IO- position Fusing...
Page 187 Operation Characteris- Input CN/PJ tics/Panel Display Symbol Panel Display Part/Signal Name Board Center Entrance Staple Paddle Home Finisher Bundle Roller Home Align Home (Front) Align Home (Back) Alignment Tray Exit Belt Home PI10 Crease Position PI13 Crease Tray PI11 Crease Home PI12 Crease Roller Home...
Page 188 Operation Characteris- Input CN/PJ tics/Panel Display Symbol Panel Display Part/Signal Name Board Center Punch Reg- Staple ist. S1 Finisher Punch Reg- ist. S2 Punch Reg- ist. S3 Punch Reg- ist. S4 Punch Wastes See the FN-8 service manual Punch Tim- PI3P Punch Motor Clock...
Page 189: System Control Block Diagram
1-3. System Control Block Diagram • Understanding the system control block diagram will help make easier the troubleshoot- ing procedures for paper misfeeds, malfunctions, and image problems. Control Panel AFR-18 UN201 DC Power Supply 3 PU201 Image Processing Scanner Motor Board PWB-C Drive Board Scanner Assy...
Page 190: Paper Misfeed
PAPER MISFEED 2-1. Initial Check Items • When a paper misfeed occurs, first make checks of the following initial check items. Check Item Action Does paper meet product specifications? Change paper. Change paper. Is paper curled, wavy, or damp. Instruct user in correct paper storage. Is a foreign object present along the paper path, or is Clean or change the paper path.
Page 191: Misfeed Display
2-2. Misfeed Display • When a paper misfeed occurs, the misfeed message, misfeed location, and paper loca- tion are displayed on the Touch Panel of the copier. Display Misfeed Location Action 1st Drawer take-up T-16 2nd Drawer take-up T-17 3rd Drawer take-up T-18 LCC take-up T-19...
Page 192: Misfeed Detecting Sensor Layout
2-3. Misfeed Detecting Sensor Layout • System Mounted with AD-14 and PF-121 Exit Sensor PC10 Synchronizing Roller Sensor PC14 Duplex Unit Transport Sensor 1 PI1 Duplex Unit Transport Sensor 2 PC1 Manual Feed Paper Take-Up Sensor PC15 2nd Drawer Paper Take-Up Sensor PC101 LCC Registration Sensor RSEN...
Page 193 • System Mounted with AD-14 and PF-118 Exit Sensor PC10 Synchronizing Roller Sensor PC14 Duplex Unit Transport Sensor 1 PI1 Duplex Unit Transport Sensor 2 PC1 Manual Feed Paper Take-Up Sensor PC15 2nd Drawer Paper Take-Up Sensor PC101 3rd Drawer Paper Take-Up Sensor PC1 4th Drawer Paper Take-Up Sensor PC1...
Page 194: Misfeed Detection Timing/Troubleshooting Procedures
2-4. Misfeed Detection Timing/Troubleshooting Procedures 1st Drawer Paper Take-Up Misfeed <Detection Timing> Type Description The leading edge of the paper does not block the Synchronizing Paper take-up failure Roller Sensor (PC14) even after the lapse of a given period of time detection after the 1st Drawer Paper Take-Up Clutch (CL1) has been ener- gized.
Page 195: 2Nd Drawer Paper Take-Up Misfeed
2nd Drawer Paper Take-Up Misfeed <Detection Timing> Type Description The leading edge of the paper does not block the 2nd Drawer Paper take-up failure Paper Take-Up Sensor (PC101) even after the lapse of a given detection period of time after the 2nd Drawer Paper Take-Up Clutch (CL101) has been energized.
Page 196: 3Rd Drawer Paper Take-Up Misfeed
3rd Drawer Paper Take-Up Misfeed (PF-118) <Detection Timing> Type Description The leading edge of the paper does not block the 3rd Drawer Paper take-up failure Paper Take-Up Sensor (PC1) even after the lapse of a given detection period of time after the 3rd Drawer Paper Take-Up Clutch (CL1) has been energized.
Page 197: Lcc Paper Take-Up Misfeed
LCC Paper Take-Up Misfeed (PF-121) <Detection Timing> Type Description The LCC Exit signal does not turn ON even after the lapse of a given period of time after an LCC paper take-up request has been issued. LCC paper take-up failure detection The LCC Registration Sensor (RSEN) is not blocked even after the lapse of a given period of time after an LCC paper take-up request has been issued.
Page 198: 4Th Drawer Paper Take-Up Misfeed
4th Drawer Paper Take-Up Misfeed (PF-118) <Detection Timing> Type Description The leading edge of the paper does not block the 4th Drawer Paper take-up failure Paper Take-Up Sensor (PC1) even after the lapse of a given detection period of time after the 4th Drawer Paper Take-Up Clutch (CL1) has been energized.
Page 199: Lcc Lift 2 To 1 Paper Transport Misfeed (Pf121
LCC Lift 2 to 1 paper transport Misfeed (PF121) <Detection Timing> Type Description The LCC Paper Take-Up Sensor (PPS0) is not blocked even after the lapse of a given period of time after an LCC paper take-up request has been issued. The LCC Registration Sensor (RSEN) is not blocked even after the Lift 2 to 1 misfeed lapse of a given period of time after an LCC paper take-up request...
Page 200: Manual Bypass Take-Up Misfeed
Manual Bypass Take-Up Misfeed <Detection Timing> Type Description Manual bypass paper The Synchronizing Roller Sensor (PC14) is not blocked even after take-up failure detec- the lapse of a given period of time after the Manual Feed Paper tion Take-Up Sensor (PC15) has been blocked by the paper. The Synchronizing Roller Sensor (PC14) is not unblocked even Manual bypass size after the lapse of a given period of time after it has been blocked...
Page 201: Vertical Transport Misfeed
Vertical Transport Misfeed <Detection Timing> Type Description (Copier) The Synchronizing Roller Sensor (PC14) is not blocked even after the lapse of a given period of time after the 2nd Drawer Paper Take-Up Sensor (PC101) has been blocked by the paper. (PF-118) The 2nd Drawer Paper Take-Up Sensor (PC101) is not blocked even after the lapse of a given period of time after the 3rd Drawer...
Page 202 PF-118 Relevant Electrical Parts 2nd Drawer Paper Take-Up Sensor (PC101) 3rd Drawer Paper Take-Up Motor (M1) 3rd Drawer Paper Take-Up Sensor (PC1) 4th Drawer Paper Take-Up Motor (M1) 4th Drawer Paper Take-Up Sensor (PC1) 3rd Drawer Control Board (PWB-A) 3rd Drawer Paper Take-Up Clutch (CL1) 4th Drawer Control Board (PWB-A) 4th Drawer Paper Take-Up Clutch (CL1) WIRING DIAGRAM...
Page 203 PF-121 Relevant Electrical Parts LCC Paper Take-Up Sensor (PPS0) LCC Separator Clutch (BCL) LCC Registration Sensor (RSEN) LCC Registration Clutch (RCL) 2nd Drawer Paper Take-Up Sensor (PC101) LCC Control Board (PWB-A) LCC Paper Take-Up Clutch1 (P1CL) LCC Paper Take-Up Clutch2 (P2CL) WIRING DIAGRAM Location Step...
Page 204: Duplex Paper Take-Up Misfeed
Duplex Paper Take-Up Misfeed (AD-14) <Detection Timing> Type Description The Synchronizing Roller Sensor (PC14) is not blocked even after Duplex paper take-up the lapse of a given period of time after a Duplex paper take-up misfeed detection sequence has been started. <Action>...
Page 205: Duplex Paper Transport Misfeed
(10) Duplex Paper Transport Misfeed (AD-14) <Detection Timing> Type Description The Manual Feed Paper Take-Up Sensor (PC15) is not blocked even after the lapse of a given period of time after a Duplex paper take-up sequence has been started. Duplex transport mis- feed detection The Duplex Unit Transport Sensor 2 (PC1) is not blocked even after the lapse of a given period of time after the Duplex Unit...
Page 206: 2Nd Image Transfer Misfeed
(11) 2nd Image Transfer Misfeed <Detection Timing> Type Description The Synchronizing Roller Sensor (PC14) is not unblocked even after the lapse of a given period of time after it has been blocked by the paper. 2nd Image Transfer misfeed detection The Exit Sensor (PC10) is not blocked even after the lapse of a given period of time after the Synchronizing Roller Sensor (PC14) has been blocked by the paper.
Page 207: Fusing/Exit Misfeed
(12) Fusing/Exit Misfeed <Detection Timing> Type Description The Exit Sensor (PC10) is not unblocked even after the lapse of a given period of time after it has been blocked by the paper. Fusing/Exit misfeed The Duplex Unit Transport Sensor 1 (PI1) is not blocked even after detection the lapse of a given period of time after the Exit Sensor (PC10) has been unblocked by the paper during a switchback sequence.
Page 208: Malfunctions
MALFUNCTIONS • The copier’s CPU performs a self-diagnostics function that, on detecting a malfunction, gives the corresponding malfunction code and maintenance call mark on the Touch Panel. 4025T565CA Resetting a Malfunction • Press the Trouble Reset Switch on the Tech. Rep. Setting Switches Board to reset the fol- lowing malfunctions: scanner-related malfunctions, fusing-related malfunctions, exposure lamp-related malfunctions and C3FFF.
Page 209: Warning Detection Timing And Troubleshooting Procedure
3-1. Warning Detection Timing and Troubleshooting Procedure • If an image stabilization or IR-related fault occurs, the corresponding warning code appears. P-5: AIDC Sensor (Front) failure P-28 AIDC Sensor (Back) failure <Detection Timing> Warning Code Description • The output from the photoreceiver of the AIDC Sensor that takes a reading of a point of a bare surface on the Transfer Belt is 4.5 V or more during an adjustment of the AIDC Sensor.
Page 210: P-6: Cyan Iu Failure
P-6: Cyan IU failure P-7: Magenta IU failure P-8: Yellow IU failure P-9: Black IU failure <Detection Timing> Warning Code Description All density readings taken from the density pattern produced on the Transfer Belt are 0.4 V (AIDC Sensor photoreceiver output) or less during max.
Page 211: P-21: Color Shift Test Pattern Failure
P-21: Color Shift Test Pattern failure <Detection Timing> Warning Code Description • The number of points detected in the CD direction is more or less than the specified value during CD registration correction. P-21 • The number of points detected in the FD direction is more or less than the specified value during FD registration correction.
Page 212: P-23: Atvc(C) Failure
P-23: ATVC(C) failure (10) P-24: ATVC(M) failure (11) P-25: ATVC(Y) failure (12) P-26: ATVC(Bk) failure (13) P-27: ATVC(2nd) failure <Detection Timing> Warning Code Description P-23 P-24 An abnormal average value is detected during an adjustment of the first image transfer ATVC value of each color. P-25 P-26 An abnormal average value is detected during an adjustment of the...
Page 213: Malfunction Detection Timing And Troubleshooting Procedure
3-2. Malfunction Detection Timing and Troubleshooting Proce- dure C0000: Main Motor’s failure to turn C0001: Main Motor Turning at abnormal timing <Detection Timing> Malfunction Code Description The Main Motor Lock signal remains HIGH for a predetermined C0000 continuous period of time while the Main Motor is turning. The Main Motor Lock signal remains LOW for a predetermined C0001 continuous period of time while the Main Motor remains stationary.
Page 214: C0010: Imaging Unit Motor C's Failure To Turn
C0010: Imaging Unit Motor C’s failure to turn C0011: Imaging Unit C turning at abnormal timing C0012: Imaging Unit Motor M’s failure to turn C0013: Imaging Unit M turning at abnormal timing C0014: Imaging Unit Motor Y’s failure to turn C0015: Imaging Unit Y turning at abnormal timing C0016: Imaging Unit Motor Bk’s failure to turn (10) C0017: Imaging Unit Bk turning at abnormal timing...
Page 215 <Action> Relevant Electrical Parts IU Motor C (M17) IO Board (PWB-IO) IU Motor M (M16) DC Power Supply 1 (PU1) IU Motor Y (M15) IU Motor Bk (M18) C0010, C0012, C0014, C0016 WIRING DIAGRAM Ref. Location Step Action Page Control Signal (Electrical Component) Check the connector of each...
Page 216: C0040: Suction Fan Motor's Failure To Turn
(11) C0040: Suction Fan Motor’s failure to turn (12) C0043: Cooling Fan Motor 1’s failure to turn (13) C0044: Cooling Fan Motor 3’s failure to turn (14) C0045: Cooling Fan Motor 4/5’s failure to turn (15) C0046: Fusing Cooling Fan Motor’s failure to turn (16) C004C: Ozone Ventilation Fan Motor’s failure to turn (17) C004E: Power Supply Cooling Fan Motor’s failure to turn (18) C004F: Cooling Fan Motor 2’s failure to turn...
Page 217 <Action> Relevant Electrical Parts Suction Fan Motor (M23) High Voltage Unit (Developing Bias) HV3 Cooling Fan Motor 1 (M25) IO Board (PWB-IO) Cooling Fan Motor 2 (M26) DC Power Supply 1 (PU1) Cooling Fan Motor 3 (M27) DC Power Supply 2 (PU2) Cooling Fan Motor 4 (M28) Cooling Fan Motor 5 (M29) Fusing Cooling Fan Motor (M24)
Page 218 C0044 WIRING DIAGRAM Ref. Location Step Action Page Control Signal (Electrical Component) Check the motor connector for proper connection and correct — — — as necessary. Check the fan for possible overload and correct as neces- — — — sary. PWB-IO PJ29IO-3(LOCK) M27 operation check 35-B...
Page 219 C004C WIRING DIAGRAM Ref. Location Step Action Page Control Signal (Electrical Component) Check the motor connector for proper connection and correct — — — as necessary. Check the fan for possible overload and correct as neces- — — — sary. PWB-IO PJ23IO-15(LOCK) M22 operation check 19-A...
Page 220: C0060: Fusing Drive Motor's Failure To Turn
(19) C0060: Fusing Drive Motor’s failure to turn (20) C0061: Fusing Drive Motor turning at abnormal timing <Detection Timing> Malfunction Code Description The Fusing Drive Motor Lock signal remains HIGH for a predeter- C0060 mined continuous period of time while the Fusing Drive Motor is turning.
Page 221: C0094: 2Nd Image Transfer Roller Pressure/Retraction Failure
(21) C0094: 2nd Image Transfer Roller pressure/retraction failure <Detection Timing> Malfunction Code Description • The 2nd Image Transfer Pressure Position Sensor is not acti- vated (retracted position) within 2 sec. after the 2nd Image Transfer Pressure/Retraction Motor has started turning during a sequence of the 2nd Image Transfer Roller's retracting motion.
Page 222: C0096: Image Transfer Belt Pressure/Retraction Failure
(22) C0096: Image Transfer Belt pressure/retraction failure <Detection Timing> Malfunction Code Description • The 1st Image Transfer Retraction Position Sensor is not acti- vated (retracted position) within 3 sec. after the 1st Image Trans- fer Pressure/Retraction Motor has started turning during a sequence of the Transfer Belt's retracting motion.
Page 223: C0098: Fusing Pressure Roller Pressure/Retraction Failure
(23) C0098: Fusing Pressure Roller pressure/retraction failure <Detection Timing> Malfunction Code Description • No change is observed in the encoder pulse of the Fusing Pres- sure/Retraction Motor even after the lapse of 0.5 sec. after the motor has started turning for a sequence of the Fusing Pressure Roller's retracting motion.
Page 224: C0200: Cyan Pc Drum Charge Corona Malfunction
(24) C0200: Cyan PC Drum Charge Corona malfunction (25) C0202: Magenta PC Drum Charge Corona malfunction (26) C0204: Yellow PC Drum Charge Corona malfunction (27) C0206: Black PC Drum Charge Corona malfunction (28) C0208: PC Drum Charge Corona malfunction <Detection Timing> Malfunction Code Description The SCD signal is detected for a continuous 0.7-sec.
Page 225: C0400: Exposure Lamp's Failure To Turn On
(29) C0400: Exposure Lamp’s failure to turn ON (30) C0410: Exposure Lamp turning ON at abnormal timing <Detection Timing> Malfunction Code Description The output from the CCD Sensor is a predetermined value or less C0400 during CCD Sensor gain adjustment. The average output value of the CCD Sensor with the Scanner at C0410 its standby position is a predetermined value or more at the end of...
Page 226: C0500: Heating Roller Warm-Up Failure
(31) C0500: Heating Roller warm-up failure (32) C0501: Fusing Pressure Roller warm-up failure (33) C0510: Heating Roller abnormally low temperature (34) C0511: Fusing Pressure Roller abnormally low temperature (35) C0520: Heating Roller abnormally high temperature (36) C0521: Fusing Pressure Roller abnormally high temperature <Detection Timing>...
Page 227 <Action> Relevant Electrical Parts Fusing Unit DC Power Supply 1 (PU1) IO Board (PWB-IO) WIRING DIAGRAM Ref. Location Step Action Page Control Signal (Electrical Component) Change PWB-IO. — — — Change Fusing Unit. — — — Change PU1. — — —...
Page 228: C0650: Scanner Home Sensor Malfunction
(37) C0650: Scanner Home Sensor malfunction (38) C0660: Scanner overrun failure <Detection Timing> Malfunction Code Description • The Scanner Home Sensor is unable to detect a Scanner when the Scanner is at a position to block the sensor. • The Scanner Home Sensor is unable to detect a Scanner despite the fact that the Scanner Motor has been energized to C0650 move the Scanner over the maximum traveling distance.
Page 229: C0F30: Abnormally Low Toner Density Detected Cyan Atdc Sensor
(39) C0F30: Abnormally low toner density detected Cyan ATDC Sensor (40) C0F31: Abnormally high toner density detected Cyan ATDC Sensor (41) C0F32: Abnormally low toner density detected Magenta ATDC Sensor (42) C0F33: Abnormally high toner density detected Magenta ATDC Sensor (43) C0F34: Abnormally low toner density detected Yellow ATDC Sensor (44) C0F35: Abnormally high toner density detected Yellow ATDC Sensor <Detection Timing>...
Page 230 <Action> Relevant Electrical Parts ATDC Sensor C (PWB-N3) Toner Replenishing Motor C/Bk (M9) ATDC Sensor M (PWB-N2) Toner Replenishing Motor Y/M (M10) ATDC Sensor Y (PWB-N1) IO Board (PWB-IO) PIC Board (PWB-PIC) IU C/M/Y C0F30, C0F32, C0F34 WIRING DIAGRAM Ref. Location Step Action...
Page 231: C0F36: Abnormally Low Toner Density Detected Cyan Atdc Sensor
(45) C0F36: Abnormally low toner density detected Cyan ATDC Sensor (46) C0F37: Abnormally high toner density detected Cyan ATDC Sensor <Detection Timing> Malfunction Code Description Toner density that is 3% or more lower than the target level is detected ten consecutive times while the Developing Unit is being C0F36 energized during a print cycle, ATVC, or image stabilization sequence.
Page 232: C0F3A: Cyan Atdc Sensor Adjustment Failure
(47) C0F3A: Cyan ATDC Sensor adjustment failure (48) C0F3B: Magenta ATDC Sensor adjustment failure (49) C0F3C: Yellow ATDC Sensor adjustment failure (50) C0F3D: Black ATDC Sensor adjustment failure <Detection Timing> Malfunction Code Description Cyan ATDC Sensor automatic adjustment does not function prop- C0F3A erly, failing to adjust to an appropriate value.
Page 233 C0F3D WIRING DIAGRAM Ref. Location Step Action Page Control Signal (Electrical Component) Correct the ATDC connection on the underside of the IU if — — — faulty. Clean or correct each contact — — — of the IU if faulty. Change IU Bk.
Page 234: C1200: Memory Mounting Failure
(51) C1200: Memory mounting failure <Detection Timing> Malfunction Code Description The WORK memory or Controller Board are not mounted on the C1200 Image Control Board (PWB-F) when the printer controller CN3102e is installed. <Action> Relevant Electrical Parts Image Control Board (PWB-F) Controller Board WORK memory (DIMM Board) WIRING DIAGRAM...
Page 235: C1203: Memory Mounting Failure
(52) C1203: Memory mounting failure (53) C1204: Memory mounting failure <Detection Timing> Malfunction Code Description C1203 The FILE memory on the Image Control Board (PWB-F) is faulty. The FILE memory on the Image Control Board (PWB-F) is short of C1204 capacity <Action>...
Page 236: C1220: Image Input Time Out
(54) C1220: Image Input Time Out <Detection Timing> Malfunction Code Description Image data is not input from the Image Processing Board (PWB- C1220 C) to the Image Control Board (PWB-F). <Action> Relevant Electrical Parts Image Control Board (PWB-F) Image Processing Board (PWB-C) WIRING DIAGRAM Ref.
Page 237: C1229: Image Output Time Out
(55) C1229: Image Output Time Out <Detection Timing> Malfunction Code Description Image data is not output from the Image Control Board (PWB-F) to C1229 the PIC Board (PWB-PIC). <Action> Relevant Electrical Parts Image Control Board (PWB-F) PIC Board (PWB-PIC) WIRING DIAGRAM Ref.
Page 238: C1240: Jbig Error
(56) C1240: JBIG Error (57) C1241: JBIG Error (58) C1242: JBIG Error (59) C1243: JBIG Error <Detection Timing> Malfunction Code Description C1240 C1241 Memory of the Image Control Board (PWB-F) is faulty. C1242 C1243 <Action> Relevant Electrical Parts Image Control Board (PWB-F) WIRING DIAGRAM Ref.
Page 239: C1261: Memory Board Time Out
(60) C1261: Memory Board Time Out (61) C1265: Memory Board Time Out (62) C1279: Memory Board Time Out <Detection Timing> Malfunction Code Description Compression of image data of the Image Control Board (PWB-F) C1261 is faulty. Decompression of image data of the Image Control Board (PWB- C1265 F) is faulty.
Page 240: C12C0: Hard Disk Error
(64) C12C0: Hard Disk Error (65) C12CB: Hard Disk Error <Detection Timing> Malfunction Code Description Unable to communicate between the hard disk and Image Control C12C0 Board (PWB-F). C12CB Data transfer from the hard disk is faulty. <Action> Relevant Electrical Parts Image Control Board (PWB-F) Hard Disk WIRING DIAGRAM...
Page 241: C12C1: Hard Disk Error
(67) C12C1: Hard Disk Error (68) C12C2: Hard Disk Error (69) C12C3: Hard Disk Error (70) C12C4: Hard Disk Error (71) C12C5: Hard Disk Error (72) C12C6: Hard Disk Error (73) C12C7: Hard Disk Error (74) C12C8: Hard Disk Error (75) C12C9: Hard Disk Error (76) C12CA: Hard Disk Error (77) C12CF: Hard Disk Error...
Page 242: C13C8: New Transfer Cleaner Unit Resetting Failure
(78) C13C8: New Transfer Cleaner Unit resetting failure (79) C13CA: New Fusing Unit resetting failure <Detection Timing> Malfunction Code Description A new installation is not detected when a new Transfer Cleaner C13C8 Unit (Image Transfer Belt Unit) is installed. A new installation is not detected when a new Fusing Unit is C13CA installed.
Page 243: C13D1: Cyan Iu Eeprom Access Error
(80) C13D1: Cyan IU EEPROM access error (81) C13D2: Magenta IU EEPROM access error (82) C13D3: Yellow IU EEPROM access error (83) C13D4: Black IU EEPROM access error <Detection Timing> Malfunction Code Description Setting 1 “Start Flag” of GA register does not become ready even C13D1 after the lapse of a predetermined period of time after a cyan IU EEPROM access control has been executed.
Page 244: C13D5: Cyan Lph Correction Data Download Failure
(84) C13D5: Cyan LPH correction data download failure (85) C13D6: Magenta LPH correction data download failure (86) C13D7: Yellow LPH correction data download failure (87) C13D8: Black LPH correction data download failure <Detection Timing> Malfunction Code Description A fault occurs while the LPH correction data is being downloaded C13D5 from the Cyan LPH EEPROM to the flash memory on PWB-PIC when power is turned ON.
Page 245: C3310: Ccd Clamp/Gain Adjustment Failure
(88) C3310: CCD clamp/gain adjustment failure <Detection Timing> Malfunction Code Description • The adjustment value is 0 or 255 during a CCD clamp adjust- ment. C3310 • The peak value of the output data is 64 or less during a CCD gain adjustment.
Page 246: C3700: Ir Power Supply Cooling Fan Motor Turning At Abnormal Timing
(89) C3700: IR Power Supply Cooling Fan Motor turning at abnormal timing (90) C3710: IR Drive Board Cooling Fan Motor turning at abnormal timing <Detection Timing> Malfunction Code Description C3700 A Lock signal is detected ten consecutive times when it is moni- tored at 0.01-sec.
Page 247: Power Supply-Related Malfunctions
3-3. Power Supply-Related Malfunctions Copier is not energized at all. Relevant Electrical Parts IO Board (PWB-IO) DC Power Supply 1 (PU1) DC Power Supply 2 (PU2) WIRING Step Check Item DIAGRAM Result Action (Location) Check wiring Is a power voltage supplied across 30-H between the wall PJ3PU1-1 and 3 on PU1?
Page 248: Only The Power Supply Cooling Fan Rotates
Only the Power Supply Cooling Fan rotates. Relevant Electrical Parts PIC Board (PWB-PIC) DC Power Supply 1 (PU1) DC Power Supply 2 (PU2) WIRING Step Check Item DIAGRAM Result Action (Location) Is DC3.3 V being output from PJ9PU1-1 29-F Change PU1. on PU1? Is DC5 V being output from CN2PU2-2 31-F...
Page 249: Image Quality Problems
IMAGE QUALITY PROBLEMS 4-1. Descriptions of the “State Confirm” Function of Tech. Rep. Mode Concerning Image Quality Problems • As part of troubleshooting procedures, the numeric values set for “State Confirm” avail- able from “Tech. Rep. Mode” can be used to isolate the cause of the image problem. 4025T568CA Table # Vb-C/-M/-Y/-Bk...
Page 250: Level History 1
Level History 1 ATDC-C/-M/-Y/-Bk • Shows the T/C ratio (in 0.01 % increments). ± • Standard value: 8 –3 % <Relevant Components> LPH Unit, ATDC Sensor Bk ATDC1/2 • Shows the AIDC bare surface output reading taken last (in 0.01 V increments). •...
Page 251: Troubleshooting Image Quality Problems
4-2. Troubleshooting Image Quality Problems • This chapter is divided into two parts: “Initial Check Items” and “Troubleshooting Proce- dure by a Particular Image Quality Problem.” • When an image quality problem occurs, first go through the “Initial Check Items” and, if the cause is yet to be identified, go to “Troubleshooting Procedure by a Particular Image Quality Problem.”...
Page 252 3. If the printer is responsible for the image problem, let the copier produce a test print and determine whether the image problem occurs in a specific single color or four colors. 4 colors Mono color 4004T008CA • Evaluation Procedure Image Problem Action Result...
Page 253: Troubleshooting Procedure By A Particular Image Quality Problem
4-4. Troubleshooting Procedure by a Particular Image Quality Problem IR System: white lines in FD, white bands in FD, colored lines in FD, and col- ored bands in FD <Typical Faulty Images> White lines in FD White bands in FD Color lines in FD Color bands in FD 4011T020AA...
Page 254: Ir System: White Lines In Cd, White Bands In Cd, Colored Lines In Cd, And Colored Bands In Cd
IR System: white lines in CD, white bands in CD, colored lines in CD, and col- ored bands in CD <Typical Faulty Images> White lines in CD White bands in CD Color lines in CD Color bands in CD 4011T021AA 4011T018AA 4011T022AA 4011T016AA...
Page 255: Ir System: Color Spots
IR System: color spots <Typical Faulty Image> 4011T027AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Original is damaged or dirty. Change original. Original Original Pad is dirty. Clean. Cover Original Original Glass is dirty. Wipe the surface clean with a Glass soft cloth.
Page 256: Ir System: Fog
IR System: fog <Typical Faulty Image> 4011T004AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Original is damaged or dirty. YES Change original. Original Cover Original Pad is dirty. YES Clean. Original Cover does not lie flat. YES Change Original Cover if it is deformed or hinges are broken.
Page 257: Ir System: Blurred Image, Blotchy Image
IR System: blurred image, blotchy image <Typical Faulty Image> 4011T046AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Original does not lie flat. Change original. Original Original Cover does not lie flat. Change Original Cover if it is Cover deformed or hinges are bro- ken.
Page 258: Ir System: Incorrect Color Image Registration, Sync Shift (Lines In Cd
IR System: incorrect color image registration, sync shift (lines in CD) <Typical Faulty Image> 4011T039AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Original does not lie flat. Change original. Original Original Cover does not lie flat. Change Original Cover if it is Cover deformed or hinges are bro- ken.
Page 259: Ir System: Moire
IR System: moire <Typical Faulty Image> 4011T040AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Moire distortions recur even YES Change the original mode after the orientation of original (select one other than that has been changed. resulted in moire). Photo/Density Moire distortions recur even YES Select “Gradation”...
Page 260: Ir System: Skewed Image
IR System: skewed image <Typical Faulty Image> 4011T048AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Original is skew. Reposition original. Original Original Glass is in positive Reinstall the glass. Check the Glass contact with the flat spring original loading position. without being tilt.
Page 261: Ir System: Distorted Image
IR System: distorted image <Typical Faulty Image> ABCDE ABCDE ABCDE ABCDE ABCDE 4011T045AA <Troubleshooting Procedure> Section Step Check Item Result Action Installation IR is installed on a level sur- Reinstall. face if mounted without any rack. Rack is installed on a level sur- Reinstall.
Page 262: Ir System: Low Image Density, Rough Image
(10) IR System: low image density, rough image <Typical Faulty Image> 4011T003AA <Troubleshooting Procedure> Section Step Check Item Result Action Original Original sticks to Original Reposition original. Glass. Original Original Glass is dirty. Wipe the surface clean with a Glass soft cloth.
Page 263: Ir System: Defective Acs
(11) IR System: defective ACS <Typical Faulty Image> Colored Area of Original ABCDE ABCDE Black-and-White Area of ABCDE Original ABCDE ABCDE 4011T052AA <Troubleshooting Procedure> Section Step Check Item Result Action ACS Judge- The problem persists even YES Change the original loading ment Level after the ACS Determination direction.
Page 264: Ir System: Blank Copy, Black Copy
(12) IR System: blank copy, black copy <Typical Faulty Images> Blank copy Black copy 4011T036AA 4011T035AA <Troubleshooting Procedure> Section Step Check Item Result Action Cable Connector is connected Reconnect. connecting IR properly with no pins bent. and printer Image Connectors on the Image Reconnect.
Page 265: Ir System: Abnormal Image
(13) IR System: abnormal image <Typical Faulty Images> ABCDE ABCDE ABCDE Data on previous page ABCDE ABCDE ABCDE ABCDE Data on current page ABCDE 4004T010AB 4011T053AA 4011T063AA <Troubleshooting Procedure> Section Step Check Item Result Action Cable Connector is connected prop- Reconnect.
Page 266: Colored Lines In Fd, Colored Bands In Fd, White Lines In Cd White Bands In Cd, Colored Lines In Cd, Colored Bands In Cd
(14) Printer Monocolor: white lines in FD, white bands in FD, colored lines in FD, colored bands in FD, white lines in CD, white bands in CD, colored lines in CD, colored bands in CD <Typical Faulty Images> White lines in FD White bands in FD Colored lines in FD Colored bands in FD 4011T015AA 4011T020AA 4011T017AA...
Page 267: Printer Monocolor: Uneven Density In Fd
(15) Printer Monocolor: uneven density in FD <Typical Faulty Images> 4011T031AA 4004T011AA 4011T042AA <Troubleshooting Procedure> Section Step Check Item Result Action Image Uneven density of void area Check LPH Unit connector for check occurs. proper connection. Check the LED Drive Board connectors for proper connec- tion.
Page 268: Printer Monocolor: Uneven Density In Cd
(16) Printer Monocolor: uneven density in CD <Typical Faulty Images> 4011T032AA 4011T043AA <Troubleshooting Procedure> Section Step Check Item Result Action The surface of the PC Drum is Change IU. scratched. Dirty on the outside. Clean. LPH Assy The surface of the lens array is Clean with cleaning jig.
Page 269: Printer Monocolor: Low Image Density
(17) Printer Monocolor: low image density <Typical Faulty Image> 4011T003AA <Troubleshooting Procedure> Section Step Check Item Result Action → Check data for Vg and Go to next step. State Confirm Table # Color Vb: Around 400 V (Tech. Rep. Mode) Vg: Around 550 V Black Vb: Around 400 V Vg: Around 550 V...
Page 270 Section Step Check Item Result Action Image Transfer Image Transfer Belt Unit Check and correct contacts. Belt Unit makes positive contact with plates on rails. Cam gear operates Change Image Transfer Belt properly. Unit. Hopper Unit Connectors are loose. YES Reconnect. Gear is cracked.
Page 271: Printer Monocolor: Gradation Reproduction Failure
(18) Printer Monocolor: gradation reproduction failure <Typical Faulty Images> 4011T034AA 4011T029AA <Troubleshooting Procedure> Section Step Check Item Result Action Photo/ Original type and screen pat- Change screen pattern. Density tern are selected properly. LPH Assy LED retracting lever is locked YES Slide out the Imaging Unit in position.
Page 272 Section Step Check Item Result Action Image Adjust 10 After the Reset + Stabilizer Go to next step. → sequence has been com- Stabilizer → pleted, run Gradation Adjust; Reset + if the problem persists, make Stabilizer adjustments of PRT Max (Tech.
Page 273: Printer Monocolor: Foggy Background
(19) Printer Monocolor: foggy background <Typical Faulty Image> 4011T004AA <Troubleshooting Procedure> Section Step Check Item Result Action State Confirm Check data for Vg and Vb. Go to next step. → Color Vb: Around 400 V Table # Vg: Around 550 V (Tech.
Page 274 Section Step Check Item Result Action Image 12 The problem is eliminated Go to next step. → after Background Voltage Adjust Back Margin has been adjusted. ground Volt- age Margin (Tech. Rep. Mode) Gradation 13 “Conv. Value” falls within the Go to step 17.
Page 275: Printer Monocolor: Void Areas, White Spots
(20) Printer Monocolor: void areas, white spots <Typical Faulty Images> Void areas White spots 4011T008AA 4011T030AA <Troubleshooting Procedure> Section Step Check Item Result Action Image There are void areas at the T-91 Check front side or high density sec- tion. There is void area at the rear Perform “2nd Transfer Adjust”...
Page 276: Printer Monocolor: Colored Spots
(21) Printer Monocolor: colored spots <Typical Faulty Image> 4011T027AA <Troubleshooting Procedure> Section Step Check Item Result Action Developing bias contact termi- Clean contact terminal and nal makes good connection. check terminal position. The surface of the PC Drum is Change Imaging Unit. scratched.
Page 277: Printer Monocolor: Blurred Image
(22) Printer Monocolor: blurred image <Typical Faulty Image> 4011T046AA <Troubleshooting Procedure> Section Step Check Item Result Action Image Image is distorted (stretched Perform “Zoom for FD.” Check or shrunk). LED Assy LED retracting lever is locked Slide out the IU and reinstall. in position.
Page 278: Printer Monocolor: Blank Copy, Black Copy
(23) Printer Monocolor: blank copy, black copy <Typical Faulty Images> Blank copy Black copy 4011T035AA 4011T036AA <Troubleshooting Procedure> Section Step Check Item Result Action Image Check A blank copy occurs. YES Check LPH Unit connector for proper connection. Check the LED Drive Board connectors for proper connec- tion.
Page 279: Printer Monocolor: 0.5-Mm-Pitch Uneven Image
(24) Printer Monocolor: 0.5-mm-pitch uneven image <Typical Faulty Image> 0.5mm 4011T060AA <Troubleshooting Procedure> Section Step Check Item Result Action LPH Assy LED retracting lever is locked Slide out the IU and reinstall. in position. Change IU. T-101...
Page 280: Printer Monocolor: 2-Mm-Pitch Uneven Image
(25) Printer Monocolor: 2-mm-pitch uneven image <Typical Faulty Image> 2 mm 4011T059AA <Troubleshooting Procedure> Section Step Check Item Result Action The drive mechanisms for Clean. spent toner conveying and IU Change IU. are dirty. T-102...
Page 281: Printer Monocolor: 94-Mm-Pitch Uneven Image
(26) Printer Monocolor: 94-mm-pitch uneven image <Typical Faulty Images> 94 mm 94 mm 94 mm 4011T047AD 4011T057AA 4011T058AA <Troubleshooting Procedure> Section Step Check Item Result Action The surface of the PC Drum is Change IU. scratched. Coupling of IU drive mecha- Check and correct drive trans- nism is installed properly.
Page 282: Printer 4-Color: White Lines In Fd, White Bands In Fd, Colored Lines In Fd, And Colored Bands In Fd
(27) Printer 4-Color: white lines in FD, white bands in FD, colored lines in FD, and colored bands in FD <Typical Faulty Images> White lines in FD White bands in FD Colored lines in FD Colored bands in FD 4011T017AA 4011T020AA 4011T023AA 4011T015AA...
Page 283: Printer 4-Color: White Lines In Cd, White Bands In Cd, Colored Lines In Cd, And Colored Bands In Cd
(28) Printer 4-Color: white lines in CD, white bands in CD, colored lines in CD, and colored bands in CD <Typical Faulty Images> White lines in CD White bands in CD Colored lines in CD Colored bands in CD 4011T016AA 4011T021AA 4011T018AA 4011T022AA...
Page 284: Printer 4-Color: Uneven Density In Fd
(29) Printer 4-Color: uneven density in FD <Typical Faulty Images> 4011T031AA 4011T042AA <Troubleshooting Procedure> Section Step Check Item Result Action Image Fingerprints, oil, or other for- Clean with specified solvent. Transfer eign matter is evident on the (See DIS/REASSEMBLY, Belt Unit Image Transfer Belt.
Page 285: Printer 4-Color: Uneven Density In Cd
(30) Printer 4-Color: uneven density in CD <Typical Faulty Images> 4011T032AA 4011T043AA <Troubleshooting Procedure> Section Step Check Item Result Action Image Fingerprints, oil, or other for- Clean with specified solvent. Transfer eign matter is evident on the (See DIS/REASSEMBLY, Belt Unit Image Transfer Belt.
Page 286: Printer 4-Color: Low Image Density
(31) Printer 4-Color: low image density <Typical Faulty Image> 4011T003AA <Troubleshooting Procedure> Section Step Check Item Result Action Paper Paper is damp. Change paper to one just unwrapped from its package. Install Paper Dehumidifying Heater. Image Terminal is dirty. Clean. Transfer Belt Unit Image...
Page 287 Section Step Check Item Result Action Image After the Reset + Stabilizer Go to next step. Adjust sequence has been com- → pleted, run Gradation Adjust; if Stabilizer → the problem persists, make Reset + adjustments of PRT Max Den- Stabilizer sity and PRT Highlight.
Page 288: Printer 4-Color: Poor Color Reproduction
(32) Printer 4-Color: poor color reproduction <Typical Faulty Image> 4011T050AA <Troubleshooting Procedure> Section Step Check Item Result Action Paper Paper is damp. Change paper to one just unwrapped from its package. Install Paper Dehumidifying Heater. Image Terminal is dirty. Clean. Transfer Belt Unit Image...
Page 289 Section Step Check Item Result Action Image After the Reset + Stabilizer Go to next step. Adjust sequence has been com- → pleted, run Gradation Adjust; if Stabilizer → the problem persists, make Reset + adjustments of PRT Max Den- Stabilizer sity and PRT Highlight.
Page 290: Printer 4-Color: Incorrect Color Image Registration
(33) Printer 4-Color: incorrect color image registration <Typical Faulty Image> 4011T049AA <Troubleshooting Procedure> Section Step Check Item Result Action Warning The maintenance call mark is Take action according to the display displayed on the panel. warning code shown on the State Confirm screen.
Page 291 Section Step Check Item Result Action Machine Check the specific color in Perform “Color Shift Correc- Adjust which color shift occurs. tion.” If color shift is not cor- → rected even with a correction Color of ± 1 dot, go to next step. Shift Cor- rection (Tech.
Page 292: Printer 4-Color: Void Areas, White Spots
(34) Printer 4-Color: void areas, white spots <Typical Faulty Images> Void areas White spots 4011T008AA 4011T030AA <Troubleshooting Procedure> Section Step Check Item Result Action Image There are void areas at the Check front side or high density sec- T-108 tion. There are void areas in the Perform “2nd Transfer Adjust”...
Page 293: Printer 4-Color: Colored Spots
(35) Printer 4-Color: colored spots <Typical Faulty Image> 4011T027AA <Troubleshooting Procedure> Section Step Check Item Result Action The surface of the PC Drum is Change IU. scratched. Image Fingerprints, oil, or other for- Clean with specified solvent. Transfer eign matter is evident on the (See DIS/REASSEMBLY, Belt Unit Image Transfer Belt.
Page 294: Printer 4-Color: Poor Fusing Performance, Offset
(36) Printer 4-Color: poor fusing performance, offset <Typical Faulty Images> Poor fusing performance Offset 4004T002AA 4004T003AA <Troubleshooting Procedure> Section Step Check Item Result Action Paper Paper type does not match the Change the setting of the setting on the paper type set- paper type setting dial.
Page 295: Printer 4-Color: Brush Effect, Blurred Image
(37) Printer 4-Color: brush effect, blurred image <Typical Faulty Images> Brush effect Blurred image 4004T004AA 4011T046AA <Troubleshooting Procedure> Section Step Check Item Result Action Paper Paper is damp. Change paper to one just unwrapped from its package. Install Paper Dehumidifying Heater.
Page 296: Printer 4-Color: Back Marking
(38) Printer 4-Color: back marking <Typical Faulty Images> 4011T009AA 4011T051AA <Troubleshooting Procedure> Section Step Check Item Result Action Image Image Transfer Roller is Change Image Transfer Roller Transfer scratched or dirty. Unit. Roller Unit Paper path There is foreign matter on Remove foreign matter.
Page 297: Printer 4-Color: 204-Mm-Pitch Uneven Image
(39) Printer 4-Color: 204-mm-pitch uneven image <Typical Faulty Images> 204 mm 4011T061AB <Troubleshooting Procedure> Section Step Check Item Result Action Fusing Unit The Fusing Belt is scratched. Change Fusing Unit. T-119...
Page 298: Printer 4-Color: 94-Mm-Pitch Uneven Image
(40) Printer 4-Color: 94-mm-pitch uneven image <Typical Faulty Images> 94 mm 94 mm 94 mm 4011T047AD 4011T057AA 4011T058AA <Troubleshooting Procedure> Section Step Check Item Result Action The surface of the PC Drum is Change IU. scratched. Image The Image Transfer Belt Unit Correct.

This manual is also suitable for:

Cf3102

Minolta CF2002 Service Manual

General

Maintenance

Dis/Reassembly, Adjustment

SWITCHES on Pwbs, TECH. REP. SETTINGS

Troubleshooting

Quick Links

Service Manual

Troubleshooting

Related Manuals for Minolta CF2002

Summary of Contents for Minolta CF2002