10-60 Phaser 7750 Printer Service Manual
Drum Drive Control K
MCU PWB
PL13.1
I/F PWB
PL9.1
P/J410
A11
A10
A9
A8
A12
A13
A15
A14
+5VDC
DC COM
DC COM
DC COM
DC COM
DC COM
+24VDC
INTLK
DC COM
1
2
2
2
2
3
TD
1
TD
1
MOT
FG
A7
I/F PWB
PL9.1
MCU PWB
PL13.1
+3.3VDC
47
P/J410
4
DRUM MOTOR (K)
FAIL SIGNAL
9.31A
9.8
43
44
45
46
J534
J235 J235
DC330 [004-006]
DRUM MOTOR (K)
ON (L) +5VDC
DC330 [004-006]
DRUM MOTOR (K)
REF CLOCK (L) +5VDC
DC330 [004-006]
DRUM MOTOR (K)
HIGH SPEED (L) +5VDC
DC330 [004-006]
DRUM MOTOR (K)
HIGH SPEED (L) +5VDC
BLU BLU BLU
BLU
BLU
BLU
GRY
VIO
ORN
VIO
DRUM MOTOR (K)
PL1.1
SERVO
CONTROL
DC330[004-102]
DRUM MOTOR (K)
FAIL (H) +3.3VDC
J534
9
5
6
7
8
4
3
1
2
DRUM (K)
DRIVE
9.2 DRUM DRIVE CONTROL (K)
NOTES:
Drives at high speed for standard paper and at half speed for OHP film.
Remove Drum K before turning on DC300 {004-006]. Turning on
Drum Motors with the drum installed may damage the Drum blade.
Turning on DC300 [004-006] allows the Drum Motors to rotate at normal
(high) speed and DC300 [004-009] at half speed, and DC330 [004-010] at
double speed.
The rotation speed is controlled compared with the intenal clock.
Virtual Line
1
2
3
4
Test Point MCU PWB J407-B3(+) to GND (-).
A frequency of approx. 1.285KHz.
7750-292
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