Service Manual
Page 5
...Fuser assembly service check . . . . 2-61 930,931,932-Laser unit assembly service check 2-62 985-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 sensor service check ...
...Fuser assembly service check . . . . 2-61 930,931,932-Laser unit assembly service check 2-62 985-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 sensor service check ...
Service Manual
Page 86
... supply (HVPS) service check" on page 2-70. 995 Charger HV unit error Indicates a problem with fuser clutch cable connection. Go to "994-OPC belt marker sensor service check" on page 2-72. 996 LVPS error Go to the OPC (photodeveloper cartridge) charging unit. Go to "992-Transfer...cartridge) is not being properly detected by marker sensor. Go to "993-Fuser clutch service check" on page 2-69. 994 OPC belt marker sensor error Indicates marker on page 2-65. 991 Transfer roller clutch error Indicates a problem with transfer unit cleaning roller clutch cable connection. 5021-0XX...
... supply (HVPS) service check" on page 2-70. 995 Charger HV unit error Indicates a problem with fuser clutch cable connection. Go to "994-OPC belt marker sensor service check" on page 2-72. 996 LVPS error Go to the OPC (photodeveloper cartridge) charging unit. Go to "992-Transfer...cartridge) is not being properly detected by marker sensor. Go to "993-Fuser clutch service check" on page 2-69. 994 OPC belt marker sensor error Indicates marker on page 2-65. 991 Transfer roller clutch error Indicates a problem with transfer unit cleaning roller clutch cable connection. 5021-0XX...
Service Manual
Page 148
... belt cloth. Are cables DCN5 and DCN13 properly connected to metal engine controller bracket that holds I /O board shield. 5021-0XX 994-OPC belt marker sensor service check Step Questions / actions Yes No 1 Remove photodeveloper Clean marker Go to step 3. Override top ... and ground problem (you can touch negative persists, replace lead of voltmeter to I /O board. If (on . Wait until printer displays error and remove DCN5 from I /O board? cartridge and observe area with persists go to step 4. If problem markers covered with cotton markers on...
... belt cloth. Are cables DCN5 and DCN13 properly connected to metal engine controller bracket that holds I /O board shield. 5021-0XX 994-OPC belt marker sensor service check Step Questions / actions Yes No 1 Remove photodeveloper Clean marker Go to step 3. Override top ... and ground problem (you can touch negative persists, replace lead of voltmeter to I /O board. If (on . Wait until printer displays error and remove DCN5 from I /O board? cartridge and observe area with persists go to step 4. If problem markers covered with cotton markers on...