Canon iR8500 Service Manual page 709

SERVICE MODE
COPIER>ADJUST
HVT-TR
Use it to enter the offset value of the transfer high-voltage output of the
high-voltage unit.
Range of
adjustment -100 to 100
H-PRE-TR
Enter the offset value of the pre-transfer high-voltage output for the high-
voltage unit.
Range of
adjustment -100 to 100
D-PRE-TR
Use it to enter the offset value of the pre-transfer high-voltage output for
the DC controller PCB.
Range of
adjustment -100 to 100
S-66
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
(See Chapter 6 "Troubleshooting">2.7.9 "Points to Note When Re-
placing the High-Voltage DC PCB").
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
(See Chapter 6 "Troubleshooting">2.7.9 "Points to Note When Re-
placing 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 (See
Chapter 6 "Troubleshooting">2.7.7 "When Replacing the DC con-
troller PCB").
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001