Service Manual
Page 3
...2-8 Symptom tables 2-11 MFP symptom table 2-11 Print quality symptom table 2-13 Printer service checks 2-14 Main motor service check 2-14 CPU fan service check 2-16 Developer drive assembly service check 2-16 Transfer belt unit service check 2-17 Transfer roller clutch service check 2-18 Transfer belt...2-19 Registration clutch service check 2-19 OPC belt marker sensor service check 2-20 Erase lamp service check 2-21 Power supply fan service check 2-22 Fuser fan service check 2-22 High voltage power supply (HVPS) service check 2-23 Low voltage power supply (LVPS) service check 2-...
...2-8 Symptom tables 2-11 MFP symptom table 2-11 Print quality symptom table 2-13 Printer service checks 2-14 Main motor service check 2-14 CPU fan service check 2-16 Developer drive assembly service check 2-16 Transfer belt unit service check 2-17 Transfer roller clutch service check 2-18 Transfer belt...2-19 Registration clutch service check 2-19 OPC belt marker sensor service check 2-20 Erase lamp service check 2-21 Power supply fan service check 2-22 Fuser fan service check 2-22 High voltage power supply (HVPS) service check 2-23 Low voltage power supply (LVPS) service check 2-...
Service Manual
Page 48
... Memory Scan Memory Full Communication Error Server Connection Failed (TX / RX) Comm Error CPU fan locked Description Action The USB connection is no longer See "CPU fan service check" on the RIP card. Memory depleted. device. running on page 2-16. The CPU fan is disconnected. 7100-XXX Message Scan USB Disconnect Scan Network Disconnect Duplicate IP...
... Memory Scan Memory Full Communication Error Server Connection Failed (TX / RX) Comm Error CPU fan locked Description Action The USB connection is no longer See "CPU fan service check" on the RIP card. Memory depleted. device. running on page 2-16. The CPU fan is disconnected. 7100-XXX Message Scan USB Disconnect Scan Network Disconnect Duplicate IP...
Service Manual
Page 54
...2 to ground-24VDC Pin 5 to J-Fan1 on cable that connects MCN5 to step 7. 2-16 Service Manual Is cable okay? Is the CPU fan cable properly connected to ground-24VDC Are voltages present? Problem solved. See "Right cover removal" on page 4-36. Retest printer. Go to...error posts? Disconnect connector from engine controller board. Override top and front cover interlock switches. Go to step 7. Replace cable. Is the CPU fan spinning? Turn printer on page 4-34 for the following on page 4-22. See "Engine controller board removal" on . See "Developer...
...2 to ground-24VDC Pin 5 to J-Fan1 on cable that connects MCN5 to step 7. 2-16 Service Manual Is cable okay? Is the CPU fan cable properly connected to ground-24VDC Are voltages present? Problem solved. See "Right cover removal" on page 4-36. Retest printer. Go to...error posts? Disconnect connector from engine controller board. Override top and front cover interlock switches. Go to step 7. Replace cable. Is the CPU fan spinning? Turn printer on page 4-34 for the following on page 4-22. See "Engine controller board removal" on . See "Developer...