Canon Image Reader-A1 iR5000i Service Manual page 818

CHAPTER 5 SERVICE MODE
<HV-PR1>
Adjusting the Output of the Primary Charging Assembly
If you have cleared the RAM on the DC controller PCB, enter the settings indicated on
the service label.
PRIMARY
Use it to enter the adjustment value of the primary current for non-potential
control.
Range of 0 to 1400
adjustment
<HV-TR>
Adjusting the Output of the Transfer Charging Assembly/Pre-Transfer Charging Assem-
bly
TR-N1
Use it to enter the output adjustment value for the transfer charging current
(for printing on the face of plain paper and printing on the 1st side of a
double-sided sheet).
Caution If you have cleared the RAM on the DC controller PCB, enter the settings
indicated on the service label.
TR-N2
Use it to enter the output adjustment value for the transfer charging current
(printing on the 2nd side of a double-sided plain paper sheet).
Caution If you have cleared the RAM on the DC controller PCB, enter the settings
indicated on the service label.
PRE-TR
Use it to enter the output adjustment value for the pre-transfer charging cur-
rent.
Caution If you have cleared the RAM on the DC controller PCB, enter the settings
indicated on the service label.
HVT-TR
Enter the offset value for the transfer high-voltage output of the high-volt-
age unit.
Caution If you have replaced the high-voltage unit or cleared the RAM on the DC
controller PCB, enter the settings indicated on the label attached to the new
high-voltage unit.
5-52 T
COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
COPIER>ADJUST