Operation/Inspection Mode ('4') - Canon NP6621 Service Handbook

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 Developing assembly idle rotation
402 Primary roller cleaning
403
Transfer roller cleaning
406
Nip check
407 Halogen lamp intensity adjustment
408 Scanning lamp ON check
409 Control panel all ON
410 Scanner forward stop in AE
411 Pre-exposure lamp ON
412 APVC measuring
412 Drum setting
413 Cool drum setting
414 Automatic drum setting
415 Fixing offset adjustment
417 Jam history clear
418 Error history clear
419
Scanner AP initialization
450
Back-up RAM clear
Item
Table 7-713
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.
SERVICE MODE
7–13