7–13
SERVICE MODE
Item
Developing assembly idle rotation
Primary roller cleaning
Transfer roller cleaning
Nip check
Halogen lamp intensity adjustment
Scanning lamp ON check
Control panel all ON
Scanner forward stop in AE
Pre-exposure lamp ON
APVC measuring
Drum setting
Cool drum setting
Automatic drum setting
Fixing offset adjustment
Jam history clear
Error history clear
Scanner AP initialization
Back-up RAM clear
F. Operation/Inspection Mode (‘4’)
• To start inspection mode, press ‘4’ (numeric keypad) and then the AE key.
• To select an item, press the appropriate number on the numeric keypad and then the Start key.
• To execute the mode, press the Start key.
• To end the mode, press the Stop key, thereby returning to item selection.
• If the mode is designed to stop automatically, the machine will automatically return to item selection after
ending the mode.
No.
401
402
403
406
407
408
409
410
411
412
412
413
414
415
417
418
419
450
Description
Execute the mode after supplying toner during installa-
tion work.
Use the mode when checking the nip or when adjusting
the pressure of the lower fixing roller.
Press the zoom + key or the zoom - key to change the
value.
A press on the Start key causes the lamp to turn ON for
about 2.2 sec. (later E220 error happens)
Factory only
Factory only
See p. 2-21.
Table 7-713
Summary of Contents for NP6621
Page 4: ...ii ...
Page 8: ...vi ...
Page 48: ...3 2 IMAGE FAULTS ...
Page 49: ...3 3 IMAGE FAULTS NOT USED ...
Page 50: ...3 4 IMAGE FAULTS B Image Fault Samples not available ...
Page 80: ...4 16 TROUBLESHOOTING MALFUNCTIONS ...
Page 134: ...A 4 APPENDIX ...
Page 135: ...A 5 APPENDIX C GENERAL CIRCUIT DIAGRAM not available ...
Page 136: ...A 6 APPENDIX ...
Page 144: ...A 14 APPENDIX ...