Canon NP2120 Service Manual page 74

4 . Adjustment
The following adjustments should be made when
the AE sensor or adjustment PCB has been re-
placed; starl with adjustment of the AE referente
point and then AE slope, and make sure both adjust-
1) Remove the adjustment cover from the rear of
the left cover.
2) Switch the power ON.
READY indicator is green.
3) Place an NB-3 Test Sheet or NA-2 Test Sheet,
and close the copyboard cover.
4) Press the push switch (SWI ; service switch) on
the adjusting PCB.
control panel.
pad on the control panel.
5) Press the SORT/GROUP
panel.
urement point, and the scanning lamp goes
Note:
The scanning lamp remains ON for about 8
GROUP key, and press the key once gain
after the operation stops.
6) Adjust VR1 (AE ref.) on the adjusting PCB so
7) Press the SORT/GROUP
key on the control
that the copy counter on the control panel indi-
cates '20'.
Figure 3-32
key after making ad-
justments.
ner returns to the home position.
"(2) AE slope adjustment" should be made
continuously.
"(2) AE slope adjustment".