CHAPTER 5 TROUBLESHOOTING
4 Sensor Lever Adjustment 5 Registration Adjustment
(sensitivity adjustment)
1) Start service mode.
Perform the following when you have2) Select FEEDER>ADJUST>KDOCST.
replaced the ADF controller PCB, original set3) Place an original (A3 or 11x17) on the
sensor (U503), last original sensor (U504), pre-original tray, and press 'OK'.
registration sensor (U502), or reversal outlet?The original will be moved to and
sensor (U505):stopped on the copyboard glass.
1) Put a solid black sheet of paper over the4) Open the ADF, and check the position of
last original sensor of the original pickupthe original on the copyboard glass.
tray. At this time, take care so that the blackThis is only to check the position of the
sheet will not cover the original set sensor.original. Adjustment will be in step 6).
2) Set the copier to service mode. (Keep the
ADF closed.)L4
Glass
3) Select FEEDER>FUNCTION>SENS
INT.
4) Press 'OK'.
In about 15 sec, the original detection LED
flashes twice; the notation 'SERVICE' on
the display changes to 'READY' to
indicate the end of auto adjustment.
During automatic adjustment, the message
'SERVICE' will appear in the upper right
corner of the display.
(i.e., the message 'SERVICE' on the
display changes to 'READY').
Copy paper
Figure 5-109
5) Close the ADF, and press 'OK'.
?The original is moved from the
copyboard and discharged.
Caution:
If you remove the original from the
copyboard glass by hand while making
adjustment, the Jam message will appear.
Be sure to use the foregoing method to
discharge it.
5-6COPYRIGHT ? 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) |
ACEC
