Canon NP6320 Service Manual page 198

CHAPTER 10 TROUBLESHOOTING
3. Fixing Assembly Temperature Adjustment
You will perform this adjustment after replacing the fixing assembly.
1) Open the delivery door and record the 3-digit number described on the label [1].
2) Detach the VR cover.
3) Press the service SW on the DC controller PCB.
4) Press the keys "1" and then "7".
5) Press the "Sort/Group" key.
6) Enter the 3-digit recorded in step 1).
7) Press the "Sort/Group" key to store the setting.
If you replace the fixing heater or you have offset fixing or a fixing ability problem, perform
the following:
• Offset Fixing
1) Reduce the C17 setting from 5 to 10. Then check the offset. If offset is corrected, record the
new setting to the label of the delivery door.
• Fixing Ability Problem
1) Increase the C17 setting from 5 to 10. Then check the fixing ability. If fixing ability is cor-
rected, record the new setting to the label on the delivery door.
4. Adjusting VR 202 on the Lamp Driver PCB
When you replace the scanning lamp or the lamp driver PCB, perform this adjustment.
1) Take some NA-3 copy samples: non-AE, copy density lever in center, the density knob as the
previous.
2) Turn the VR so that No. 9 of the gray scale on the copy is the same density as gray scale No. 8
on NA-3.
10-20
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Figure 10-227
COPYRIGHT © 1999 CANON INC.
[1]
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)