Service manual

QMS 3260/4032 Laser Printer - Base Engine Technical Manual 10-139
Release Version 11-97
Removal and Replacement Procedures
RRP 9.4 High Voltage Power Supply (HVPS) Assembly (PL 11.2)
Removal
1. Remove the MCU PWB
(
RRP 9.7
)
2. Disconnect J500, DTS, FB, CB, and BTR from the HVPS PWB.
The PWB is easily broken. Use care when removing the P/Js from the HVPS PWB. Use
your fingers to hold down the PWB while you carefully disconnect each P/J.
3. Remove the two screws, one on the left side and one on the ri
g
ht side, that secure the HVPS Assem-
bl
y
to the printer frame.
4. Pull out on the HVPS Assembl
y
while
y
our release the two clips, one at the top and one on the ri
g
ht
side, that secure the HVPS to the printer frame.
5. Remove the HVPS Assembl
y
from the frame.
Replacement
1. Reinstall the HVPS Assembl
y
onto the printer frame.
2. Ali
g
n the two positionin
g
holes on the HVPS with the two tabs on the frame.
Make sure
y
ou do not trap an
y
wire harnesses between the HVPS Assembl
y
and the printer frame.
3. Push the HVPS a
g
ainst the frame until the two clips snap into place.
4. Use two screws to secure the HVPS Assembl
y
into place on the printer frame.
5. Reconnect J500, DTS, FB, CB, and BTR to the HVPS PWB.
6. Reinstall the MCU PWB
(
RRP 9.7
)
.