Xerox Phaser 3020

Xerox
®
Phaser
®
3020 Printer Service Manual
June 2014
BSDs
LVPS / HVPS PWB
PL 3.1
7-6
A B C D E F G H J
1
2
3
4
5
6
9.1 XEROGRAPHICS
PL 1.1
MAIN PWB
PRINT MODULE
11
J4 P4
12
10
CRUM SIGNAL
CRUM SIGNAL
DEVELOPER ENABLED
13
TRANSFER ON
15
CHARGE ON
19
CHARGE ENABLED
20
DEVELOPER ON
17
1
3
4
2
CRUM
TRANSFER
ROLL
CHARGE
SUPPLY
ROLL
DEVELOPER
ROLL
PR DRUM
1
J11 P11
3
4
2
+3.3 VDC
DC COM
+3 VDC
DC COM
DEVELOPER AC
DEVELOPER DC
18
TRANSFER ENABLED
9
8
6
2
1
4
3