Service Manual
Page 5
...62 985-Duplex connection error 1 service check 2-63 986-Duplex connection error 2 service check 2-64 990-Transfer belt unit service check 2-65 991-Transfer roller clutch service check 2-67 992-Transfer belt cleaning roller clutch service check . . . . 2-68 993-Fuser clutch service check 2-69 994-OPC belt marker...sensing service check 2-87 Printer no power service check 2-89 Toner feed service check 2-91 Toner low/empty service check 2-92 Transfer roller missing service check 2-93 Tray empty service check 2-95 Waste toner bottle service check 2-97 Waste toner feed service check 2-98 ...
...62 985-Duplex connection error 1 service check 2-63 986-Duplex connection error 2 service check 2-64 990-Transfer belt unit service check 2-65 991-Transfer roller clutch service check 2-67 992-Transfer belt cleaning roller clutch service check . . . . 2-68 993-Fuser clutch service check 2-69 994-OPC belt marker...sensing service check 2-87 Printer no power service check 2-89 Toner feed service check 2-91 Toner low/empty service check 2-92 Transfer roller missing service check 2-93 Tray empty service check 2-95 Waste toner bottle service check 2-97 Waste toner feed service check 2-98 ...
Service Manual
Page 7
... 4-3 Handling 4-3 Parts not to be touched 4-3 Printer removal procedures 4-4 Precautions to take before maintenance work 4-4 CRU/FRU and supplies removals 4-5 Cleaning roller cover removal 4-6 Transfer belt cleaning roller removal 4-6 Transfer belt unit removal 4-7 Transfer roller removal 4-8 Fuser assembly removal 4-9 Waste toner bottle removal 4-10 Photodeveloper cartridge removal 4-11 Duplex unit assembly removal 4-13 Secondary paper feed...
... 4-3 Handling 4-3 Parts not to be touched 4-3 Printer removal procedures 4-4 Precautions to take before maintenance work 4-4 CRU/FRU and supplies removals 4-5 Cleaning roller cover removal 4-6 Transfer belt cleaning roller removal 4-6 Transfer belt unit removal 4-7 Transfer roller removal 4-8 Fuser assembly removal 4-9 Waste toner bottle removal 4-10 Photodeveloper cartridge removal 4-11 Duplex unit assembly removal 4-13 Secondary paper feed...
Service Manual
Page 64
... the transfer roller causes the toner to release from the transfer belt, is transferred to the paper. 1-38 Service Manual 5021-0XX Details of the transfer system Second transfer (paper) process In the second transfer process, the toner image on page 1-19 for second transfer roller location. The transfer roller contacts the transfer belt as paper passes between the transfer roller and the transfer belt...
... the transfer roller causes the toner to release from the transfer belt, is transferred to the paper. 1-38 Service Manual 5021-0XX Details of the transfer system Second transfer (paper) process In the second transfer process, the toner image on page 1-19 for second transfer roller location. The transfer roller contacts the transfer belt as paper passes between the transfer roller and the transfer belt...
Service Manual
Page 68
... rear cover assembly. The registration roller synchronizes with the transfer belt. 1-42 Service Manual During the transfer process, the transfer roller forwards the paper to the transfer roller. The registration roller transports the paper to the fuser rollers. Part 1 Paper tray 2 Pick-up roller and transported to the registration roller. During the fusing process, the fuser rollers transport the fused paper to...
... rear cover assembly. The registration roller synchronizes with the transfer belt. 1-42 Service Manual During the transfer process, the transfer roller forwards the paper to the transfer roller. The registration roller transports the paper to the fuser rollers. Part 1 Paper tray 2 Pick-up roller and transported to the registration roller. During the fusing process, the fuser rollers transport the fused paper to...
Service Manual
Page 69
5021-0XX No. General information 1-43 Exits the fused paper from the printer. Part Transfer roller 4 5 Fuser unit 6 Paper exit roller Function Works in conjunction with the transfer belt to transfer the image to paper and to transport the paper to the paper. Utilizes a heat roller to fuse the toner image to the fuser.
5021-0XX No. General information 1-43 Exits the fused paper from the printer. Part Transfer roller 4 5 Fuser unit 6 Paper exit roller Function Works in conjunction with the transfer belt to transfer the image to paper and to transport the paper to the paper. Utilizes a heat roller to fuse the toner image to the fuser.
Service Manual
Page 86
... page 2-72. 996 LVPS error Go to "996-Low voltage power supply (LVPS) service check" on page 2-65. 991 Transfer roller clutch error Indicates a problem with HVPS charging voltage supplied to "990-Transfer belt unit service check" on page 2-74. 2-8 Service Manual Go to "994-OPC belt marker sensor service check" on page...
... page 2-72. 996 LVPS error Go to "996-Low voltage power supply (LVPS) service check" on page 2-65. 991 Transfer roller clutch error Indicates a problem with HVPS charging voltage supplied to "990-Transfer belt unit service check" on page 2-74. 2-8 Service Manual Go to "994-OPC belt marker sensor service check" on page...
Service Manual
Page 97
... cartridge is properly installed. Correctly install photodeveloper cartridge to clear message. If message does not clear, go to "Transfer roller missing service check" on page 2-93. Diagnostic information 2-19 Replace waste toner bottle and press Go to clear message... 83 Photodev Cart Life Warning 83 Photodev Cart Missing Description Action Printer detects an unsupported disk format. Ensure transfer roller is either missing or incorrectly installed. Waste toner bottle is completely used. Replace photodeveloper cartridge. Replace waste toner...
... cartridge is properly installed. Correctly install photodeveloper cartridge to clear message. If message does not clear, go to "Transfer roller missing service check" on page 2-93. Diagnostic information 2-19 Replace waste toner bottle and press Go to clear message... 83 Photodev Cart Life Warning 83 Photodev Cart Missing Description Action Printer detects an unsupported disk format. Ensure transfer roller is either missing or incorrectly installed. Waste toner bottle is completely used. Replace photodeveloper cartridge. Replace waste toner...
Service Manual
Page 145
...70 for steps to board removal" remove I /O board for steps to controller remove shield. on transfer roller clutch. DCN10 pins 7 and 8 (cable) to transfer roller clutch. Ensure that attaches to connector that pins are not shorted. board shield. engine controller board...actions Yes No 1 Turn printer off and remove Go to Check cable continuity from step 3. Disconnect transfer roller clutch from problem DCN10 on I /O board shield. Replace faulty transfer roller clutch. See "Clutch removal" on page 4-55 for proper connection, damage, pin shorting and continuity...
...70 for steps to board removal" remove I /O board for steps to controller remove shield. on transfer roller clutch. DCN10 pins 7 and 8 (cable) to transfer roller clutch. Ensure that attaches to connector that pins are not shorted. board shield. engine controller board...actions Yes No 1 Turn printer off and remove Go to Check cable continuity from step 3. Disconnect transfer roller clutch from problem DCN10 on I /O board shield. Replace faulty transfer roller clutch. See "Clutch removal" on page 4-55 for proper connection, damage, pin shorting and continuity...
Service Manual
Page 171
Are contacts present and not damaged? 5021-0XX No If contact A has slipped off and check Go to step 2. transfer roller contacts. A B Diagnostic information 2-93 See "Registration assembly removal" on . If you cannot see it, remove HVPS cage (see "HVPS cage removal" on page 4-62 and put it back in place. If B is damaged, replace registration assembly. Transfer roller missing service check Step Questions / actions Yes 1 Turn printer off frame, put it back on page 4-52.
Are contacts present and not damaged? 5021-0XX No If contact A has slipped off and check Go to step 2. transfer roller contacts. A B Diagnostic information 2-93 See "Registration assembly removal" on . If you cannot see it, remove HVPS cage (see "HVPS cage removal" on page 4-62 and put it back in place. If B is damaged, replace registration assembly. Transfer roller missing service check Step Questions / actions Yes 1 Turn printer off frame, put it back on page 4-52.
Service Manual
Page 177
... is not damaged and is stored in an area free from high humidity. 2 Paper tray 3 • Paper feed roller • Separator pad 4 • Registration roller • Transfer roller 5 Transfer belt unit Note: Disconnect secondary paper assembly and duplex unit, if installed, to help isolate a paper transport problem. Diagnostic information 2-99 paper Ensure paper is ...
... is not damaged and is stored in an area free from high humidity. 2 Paper tray 3 • Paper feed roller • Separator pad 4 • Registration roller • Transfer roller 5 Transfer belt unit Note: Disconnect secondary paper assembly and duplex unit, if installed, to help isolate a paper transport problem. Diagnostic information 2-99 paper Ensure paper is ...
Service Manual
Page 180
5021-0XX Back stain service check Backside of paper is a customer order supply. Replace fuser assembly. Note: Fuser assembly is stained. Replace transfer roller. Problem area 1 Fuser assembly 2 Transfer roller Action • Fuser roller and back-up roller are stained. • Fusing offset error occurred. Transfer roller is stained. See "Transfer roller removal" on page 4-9. See "Fuser assembly removal" on page 4-8. 2-102 Service Manual
5021-0XX Back stain service check Backside of paper is a customer order supply. Replace fuser assembly. Note: Fuser assembly is stained. Replace transfer roller. Problem area 1 Fuser assembly 2 Transfer roller Action • Fuser roller and back-up roller are stained. • Fusing offset error occurred. Transfer roller is stained. See "Transfer roller removal" on page 4-9. See "Fuser assembly removal" on page 4-8. 2-102 Service Manual
Service Manual
Page 183
... cartridge removal" on page 4-11. Problem area 1 Transfer roller and transfer belt cleaning roller 2 Toner cartridge 3 Photodeveloper cartridge Action Transfer belt fails to maintain regular and proper rotation due to impact caused when toner cartridge contacts OPC belt. Ensure transfer roller and transfer belt cleaning roller are properly installed. Ensure toner cartridge is off track.... between two colors. Developer cartridge OPC belt fails to maintain regular and proper rotation due to impact caused when transfer roller or transfer belt cleaning roller contacts transfer belt.
... cartridge removal" on page 4-11. Problem area 1 Transfer roller and transfer belt cleaning roller 2 Toner cartridge 3 Photodeveloper cartridge Action Transfer belt fails to maintain regular and proper rotation due to impact caused when toner cartridge contacts OPC belt. Ensure transfer roller and transfer belt cleaning roller are properly installed. Ensure toner cartridge is off track.... between two colors. Developer cartridge OPC belt fails to maintain regular and proper rotation due to impact caused when transfer roller or transfer belt cleaning roller contacts transfer belt.
Service Manual
Page 189
... cam removal" on page 4-40. Replace toner cartridge if defective. Replace transfer roller clutch. See "Cleaning roller clutch removal" on page 4-36. Mixed color image service check 5021-0XX Mixed color image appears. Problem area 1 Toner cartridge 2 Transfer roller clutch 3 Transfer belt unit cleaning roller clutch 4 Toner retract system Action Ensure toner cartridge moves in question with...
... cam removal" on page 4-40. Replace toner cartridge if defective. Replace transfer roller clutch. See "Cleaning roller clutch removal" on page 4-36. Mixed color image service check 5021-0XX Mixed color image appears. Problem area 1 Toner cartridge 2 Transfer roller clutch 3 Transfer belt unit cleaning roller clutch 4 Toner retract system Action Ensure toner cartridge moves in question with...
Service Manual
Page 190
See "Transfer roller removal" on page 4-59. 2-112 Service Manual Replace faulty HVPS. Problem area 1 Rear cover assembly 2 Transfer roller 3 Paper 4 Toner cartridge 5 HVPS Action Rear cover assembly is not properly installed. Open rear cover assembly and close properly. Replace defective toner cartridge. Transfer roller is not fixed in image. Replace deformed paper. Remove and reinstall transfer roller. 5021-0XX Mottle service check Variation of optical density is found in place. See "High voltage power supply (HVPS) removal" on page 4-8.
See "Transfer roller removal" on page 4-59. 2-112 Service Manual Replace faulty HVPS. Problem area 1 Rear cover assembly 2 Transfer roller 3 Paper 4 Toner cartridge 5 HVPS Action Rear cover assembly is not properly installed. Open rear cover assembly and close properly. Replace defective toner cartridge. Transfer roller is not fixed in image. Replace deformed paper. Remove and reinstall transfer roller. 5021-0XX Mottle service check Variation of optical density is found in place. See "High voltage power supply (HVPS) removal" on page 4-8.
Service Manual
Page 199
Ensure spring contact on page 4-40. See "Clutch removal" on left side (looking from front of image. Remove and reinstall transfer roller. Diagnostic information 2-121 Replace faulty transfer roller clutch. White band service check 5021-0XX Horizontal white banding creates missing portion of printer) is not making proper contact with high voltage spring contact. Problem area 1 Transfer roller 2 Transfer roller clutch Action • Transfer roller bias pole is not damaged. • Replace faulty transfer roller. See "Transfer roller removal" on page 4-8.
Ensure spring contact on page 4-40. See "Clutch removal" on left side (looking from front of image. Remove and reinstall transfer roller. Diagnostic information 2-121 Replace faulty transfer roller clutch. White band service check 5021-0XX Horizontal white banding creates missing portion of printer) is not making proper contact with high voltage spring contact. Problem area 1 Transfer roller 2 Transfer roller clutch Action • Transfer roller bias pole is not damaged. • Replace faulty transfer roller. See "Transfer roller removal" on page 4-8.
Service Manual
Page 202
... particles using a cotton cloth. Replace toner cartridge. If problem persists, replace transfer belt unit. Replace transfer roller. Remove transfer belt unit (see "Photodeveloper cartridge removal" on page 4-8. 2-124 Service Manual Problem area 1 Photodeveloper cartridge 2 Transfer belt unit 3 Toner cartridge 4 Transfer roller Action There are foreign particles adhering to transfer roller or transfer roller is deformed. There are foreign particles adhering to...
... particles using a cotton cloth. Replace toner cartridge. If problem persists, replace transfer belt unit. Replace transfer roller. Remove transfer belt unit (see "Photodeveloper cartridge removal" on page 4-8. 2-124 Service Manual Problem area 1 Photodeveloper cartridge 2 Transfer belt unit 3 Toner cartridge 4 Transfer roller Action There are foreign particles adhering to transfer roller or transfer roller is deformed. There are foreign particles adhering to...
Service Manual
Page 203
... printed or a specific color is blocked by paper or other material stuck at the opening of the optical unit. Ensure transfer roller bias pole is not properly installed. Problem area Action Solid white print 1 Optical Unit (Printhead) Laser light path is ... retract system. See "High voltage power supply (HVPS) removal" on page 4-64. Remove transfer roller and reinstall. See "Transfer roller removal" on left side (as viewed from front of printer) of the optical unit. 2 Transfer roller Transfer roller is touching spring contact on page 4-8. Diagnostic information 2-125
... printed or a specific color is blocked by paper or other material stuck at the opening of the optical unit. Ensure transfer roller bias pole is not properly installed. Problem area Action Solid white print 1 Optical Unit (Printhead) Laser light path is ... retract system. See "High voltage power supply (HVPS) removal" on page 4-64. Remove transfer roller and reinstall. See "Transfer roller removal" on left side (as viewed from front of printer) of the optical unit. 2 Transfer roller Transfer roller is touching spring contact on page 4-8. Diagnostic information 2-125
Service Manual
Page 205
...toner cartridges and photodeveloper cartridge. Replace toner cartridge. Replace faulty photodeveloper cartridge. Remove transfer roller and reinstall. See "Transfer roller removal" on page 4-11. Diagnostic information 2-127 Transfer roller is smeared with toner or foreign particles. Clean laser beam opening of printhead. ... installed. There are not damaged. Toner cartridge has insufficient amount of toner. If damaged, replace. Ensure transfer roller bias pole is touching spring contact on left side of printed image. See "Photodeveloper cartridge removal" on ...
...toner cartridges and photodeveloper cartridge. Replace toner cartridge. Replace faulty photodeveloper cartridge. Remove transfer roller and reinstall. See "Transfer roller removal" on page 4-11. Diagnostic information 2-127 Transfer roller is smeared with toner or foreign particles. Clean laser beam opening of printhead. ... installed. There are not damaged. Toner cartridge has insufficient amount of toner. If damaged, replace. Ensure transfer roller bias pole is touching spring contact on left side of printed image. See "Photodeveloper cartridge removal" on ...
Service Manual
Page 207
Spacing table Roller specifications Name of roller Diameter (mm) Registration assembly rubber roller Registration assembly steel roller Transfer roller Developer roller Transfer belt drive roller (part of transfer belt unit) Transfer belt cleaning roller OPC belt charge brush (part of photodeveloper charging system) OPC belt charge roller (part of photodeveloper charging system) OPC belt drive gear shaft OPC belt drive roller Fuser roller (part of fuser...
Spacing table Roller specifications Name of roller Diameter (mm) Registration assembly rubber roller Registration assembly steel roller Transfer roller Developer roller Transfer belt drive roller (part of transfer belt unit) Transfer belt cleaning roller OPC belt charge brush (part of photodeveloper charging system) OPC belt charge roller (part of photodeveloper charging system) OPC belt drive gear shaft OPC belt drive roller Fuser roller (part of fuser...
Service Manual
Page 238
Open rear cover assembly. 2. Pull transfer belt unit toward rear of printer, lift and remove. Transfer roller removal 1. Rotate transfer roller to release; lift and remove. 4-8 Service Manual 5021-0XX 3.
Open rear cover assembly. 2. Pull transfer belt unit toward rear of printer, lift and remove. Transfer roller removal 1. Rotate transfer roller to release; lift and remove. 4-8 Service Manual 5021-0XX 3.