User Guide

CHAPTER 10 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 10-66
VIII. SERVICE MODE
A. Outline
The NP6317's service mode allows the following:
• checking the operation of some switches and LEDs
• changing data in EEPROM
• operating some functions
B. Using the Service Mode
1) Detach the VR cover from the rear of the left cover.
2) Check that the COPY START key is glowing green.
3) Press the service switch (SW300) on the DC controller PCB.
4) Check that 'C0' is indicated.
5) Enter the No. of the desired service mode using the NUMERIC keypad on the control panel.
• For example, the display indicates 'C3' in response to a press on '3'.
6) Press the SORT/GROUP key.
7) Operate as follows as necessary.
<Mode No. C0, C12, C17 and C22>
A press on the SORT/GROUP key executes the selected mode; a second press stops the execu-
tion.
<Mode No. C1 through C11 and C15, C21, C23, C24, C25>
Change the setting using the numeric keypad, and press the SORT/GROUP key; the setting
will be stored in EEPROM.
<Mode No. C13>
Refer to "Adjusting the fixing roller pressure (p. 10-13)."
<Mode No. C18>
Press the AE key twice, and check 'CEE' is indicated on the control panel; then, press the
SORT/GROUP key.
8) Press the service switch (SW300) to leave the service mode.