Service manual

QMS 3260/4032 Laser Printer - Base Engine Technical Manual 10-135
Release Version 11-97
Removal and Replacement Procedures
RRP 9.2 Low Voltage Power Supply (LVPS) Assembly (PL 11.1)
Removal
1. Remove the Top Cover Assembl
y
(
RRP 1.2
)
.
2. Remove the Ri
g
ht Cover
(
RRP 1.4
)
.
3. Remove four screws securin
g
the ESS Assembl
y
to the LVPS, and tilt the ESS Assembl
y
back and out
of the wa
y
.
4. Remove the Main Power Switch
(
RRP 9.1
)
.
5. Remove the five screws securin
g
the LVPS to the printer frame.
6. Pull the LVPS a few inches out so
y
ou can access the rear of the Power Suppl
y
.
7. Disconnect J1, J235, J501, and J502 from the LVPS.
8. Remove the wire harnesses from the harness clips at the rear of the LVPS.
9. Remove the LVPS Assembl
y
.
Replacement
1. Position the LVPS Assembl
y
above the printer frame, with the LVPS Fan facin
g
the rear of the printer.
2. Route the four black and white Main Power Switch wires to the rear of the LVPS.
3. Reconnect J1, J235, J501, and J502 to the LVPS.
4. Reinstall the wire harnesses into the harness clips at the rear of the LVPS.
5. Slide the LVPS into place in the printer frame.
Make sure
y
ou do not trap the Main Switch wires between the LVPS and the printer frame.
Ali
g
n the LVPS so the five screw holes in the LVPS line up with the five screw holes in the printer
frame.
6. Use five screws to secure the LVPS to the printer frame.
7. Reinstall the Main Power Switch
(
RRP 9.1
)
.
8. Reinstall the ESS Assembl
y
and use four screws to secure it to the top of the LVPS.
9. Reinstall the Ri
g
ht Cover
(
RRP 1.4
)
.
10. Reinstall the Top Cover Assembl
y
(
RRP 1.2
)
.