Canon NP6330 Service Manual page 485

CHAPTER 11 TROUBLESHOOTING
• No. 134 Control panel's key check
1) Select No. 134, and press the OK key.
• The indicator indicates '–––'
2) After pressing all the keys on the control panel one by one, press the OK key.
• When it is confirmed that all the keys have been pressed, the indication will be
' '.
• If there is any key which has not confirmed to be pressed, the code provided in
the Table 11-714 will be indicated.
If there are some keys which have not confirmed to be pressed, the code with
the smallest number will be indicated.
11-144
COPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)