After Replacing The Dc Controller Pcb - Canon NP7160 Service Manual

CHAPTER 10 TROUBLESHOOTING

3. After Replacing the DC Controller PCB

1) Set the DIP switch (SW102) on the new DC controller PCB so that its settings are the same
as the old DC controller PCB.
2) Mount the new DC controller PCB.
3) Press the User Mode key, hold down '2' and '8' of the numeric keypad for 0.5 sec or more,
and then press the User Mode key.
• The copier starts service mode, and indicates '[1]' on the control panel.
4) Press '4' on the numeric keypad, and press the AE key.
• The copier enters FUNCTION mode, and indicates '401' on the control panel.
5) Press '5' and '0' on the numeric keypad in sequence, and press the Start key.
• The copier turns off once, and initializes the RAM (IC116).
6) Press '1' of the keypad and the Start key in sequence.
• The power turns off, and the data in RAM (IC116) will be initialized.
7) Enter the settings of each service mode by referring to the service mode label kept behind the
front door.
8) Press the Reset key to end service mode.
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)