Remove the control panel ........................................................... 25
Front door ............................................................................................... 27
Remove the front door ................................................................ 27
Main assemblies ..................................................................................................... 29
ITB assembly ............................................................................................ 29
Remove the ITB assembly ............................................................ 29
Fuser delivery assembly ............................................................................ 38
Remove the fuser delivery assembly ............................................. 39
Formatter PCA (base model) ...................................................................... 43
Remove the formatter PCA (base model) ....................................... 43
Formatter and wireless PCA (plus model) ..................................................... 44
Remove the formatter and wireless PCA (plus model) ..................... 44
Engine controller assembly ........................................................................ 46
Remove the engine controller assembly ........................................ 46
Low-voltage power supply assembly ........................................................... 49
Remove the low-voltage power supply assembly ............................ 49
2 Solve problems ............................................................................................................... 53
Solve problems checklist ......................................................................................................... 54
Step 1: Make sure that the product is set up correctly .................................................. 54
Step 2: Check the cabling or wireless connection (network models only) ........................ 54
Step 3: Check to see if any control-panel lights are lit .................................................. 54
Step 4: Check the paper .......................................................................................... 54
Step 5: Check the software ....................................................................................... 55
Step 6: Test print functionality ................................................................................... 55
Step 7: Check the supplies ....................................................................................... 55
Step 8: Try sending a print job from a computer ......................................................... 55
Troubleshooting process .......................................................................................................... 56
Determine the problem source ................................................................................... 56
Power subsystem ..................................................................................................... 57
Power-on checks ...................................................................................... 57
Tools for troubleshooting ......................................................................................................... 58
Component diagnostics ............................................................................................ 58
Engine diagnostics ................................................................................... 58
Engine test page ...................................................................................... 58
Diagrams ............................................................................................................... 59
Plug/jack locations ................................................................................... 59
Locations of connectors ............................................................................. 60
Locations of major components .................................................................. 61
General timing chart ................................................................................. 63
General circuit diagram ............................................................................ 64
Internal print-quality test pages .................................................................................. 65
Print quality troubleshooting page .............................................................. 65
vi ENWW