Canon GP335, Руководство по обслуживанию, Страница: 119 / 200

4-51
CHAPTER 4 SERVICE MODE
<HV-PRI>
ADJUST
Adjustments by Condition for the Primary Charging Roller High-Voltage Output
Level 3
P-DC
P-NO-DC
P-AC
P-NO-AC
AGS-GAIN
AGS-OFST
OFST1-DC
OFST1-AC
OFST2-AC
P-AC2
P-AC3
Remar
Enter the setting recorded on the
service label after replacing the
composite power supply PCB.
Enter the settings recorded on the
service label after replacing the
composite power supply PCB.
Description
Image area primary charging DC component
(0 to 127)
Sheet-to-sheet primary charging DC
component during feeding (0 to 127)
Image area primary charging AC component
(0 to 255)
Sheet-to-sheet primary charging AC
component (0 to 127) during feeding
APVC gain (78 to 178)
APVC offset (78 to 178)
Primary charging DC offset (98 to 158)
If the image is too light, increase the setting.
If the image is too dark, decrease the setting.
Primary charging AC offset (98 to 158)
Primary charging AC offset 2 (98 to 158)
Image area primary charging AC component 2
(0 to 255)
Image area primary charging AC component 3
(0 to 255)
<HV-TR>
Adjusting the Transfer Charging Roller High-Voltage Output
Level 3
TR-N1
TR-N2
TR-OFST
TR-SPP
Remarks
Unit: µA
Effective for small-size plain
paper; to make it effective for
large-size paper, set '1' to
OPTION>BODY>TRNS-SW.
(if 200 mm or less in main
scanning direction, small-size; if
over 200 mm, large-size)
Description
Adjusts the transfer roller bias (0 to 10) for
the 1st side of a double-sided print or of a
single-sided print on plain paper.
Adjusts the transfer roller bias (0 to 10) on the
2nd side of a double-sided print on plain
paper.
Adjusts the transfer charging offset (98 to
158).
Adjusts the offset for thick-paper ATVC*
table (0 to 10). Effective for thick paper mode
with pick-up from the multifeeder. A higher
setting increases the effects.