Canon NP6412 Service Manual page 378

CHAPTER 11 TROUBLESHOOTING
D. Operation/Inspection Mode (40)
1) Select an appropriate item using the +/- key; then, press the Copy Start key to execute it.
• The item is flashed.
• If the mode is designed to stop automatically, item selection will automatically return at
the end.
• As necessary, press the Clear/Stop key to return item selection.
Notation
40 AE adjustment mode
41 Toner supply mode
42 Back-up RAM clear
11-92
COPYRIGHT © 1999 CANON INC.
Item
The main motor rotates, and the scanner moves
forward. The halogen lamp will turn on, and the
reading of the AE sensor will appear in the display.
The developing assembly is supplied with toner. (If
you have replaced the developing assembly, execute
this mode so that toner will be supplied from the toner
cartridge to the developing assembly.)
• In about 10 to 60 sec, the operation will stop
(1) Press the +/- key to select '42'.
(2) Press the Copy Start key.
(3) Press the AE key.
(4) Press the Copy Start key.
(5) Turn off and then on the power switch.
Reference:
press the Clear/Stop key before starting step (4).
executed.
Table 11-703
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
automatically.
• '4' will flash in the 10s digit.
• '42' will flash.
• The display will indicate 'EE'.
• '4' in the 10s digit will flash.
• The back-up RAM will be cleared, and the
settings will be returned to defaults.
If you have to stop the RAM clear mechanism,
The RAM will be cleared when step (4) is