Canon iR8500 Servise Manual page 560

HVT-SP
Use it to enter the offset value of the separation high-voltage output for the
separation unit.
Range of
adjustment -100 to 100
D-HV-SP
Use it to enter the offset value of the separation high-voltage output for the
DC controller PCB.
Range of
adjustment -100 to 100
<FEED-ADJ>
Use it to adjust the feeding system.
If you have cleared the RAM on the DC controller PCB or replaced the DC controller
PCB, enter the setting indicated on the service label.
REGIST
Set it to adjust the timing at which the registration roller clutch goes ON.
Memo
Range of
adjustment -100 to 100 (1 being equal to 0.1 mm)
ADJ-REFE
Use it to adjust the horizontal registration for re-pickup.
• If the image is displaced to the front, increase the setting.
Range of
adjustment -100 to 100 (1 being equal to 0.1 mm)
COPYRIGHT© 2001 CANON INC.
If you have replaced the high-voltage unit, be sure to enter the set-
tings indicated on the label attached to the new high-voltage unit. If
you have replaced the DC controller PCB or cleared its RAM, on the
other hand, be sure to enter the settings indicated on the service label.
(Chapter 6 "Troubleshooting">2.7.9 "Points to Note When Replacing
the High-Voltage DC PCB")
If you have replaced the DC controller PCB, be sure to enter the set-
ting indicated on the label attached to the new DC controller PCB. If
you have cleared the RAM on the DC controller PCB, on the other
hand, be sure to enter the settings indicated on the service label.
(Chapter 6 "Troubleshooting">2.7.8 "When Replacing the DC con-
troller PCB")
A higher setting delays the timing, decreasing the leading edge mar-
gin.
2000 2000 2000 2000 CANON iR8500 REV.0 MAR. 2001
SERVICE MODE
COPIER>ADJUST
S-63