Service manual

QMS 3260/4032 Laser Printer - Base Engine Technical Manual 4-9
Release Version 11-97
Primary Fault Isolation Procedures
4.4 Inoperative Main Drive Assembly continued
Step Actions and Questions Yes No
6
TRAY 2 DRIVE BINDING CHECK
1. Lift the Tray 2 spring-loaded drive gear off of the Main
Drive Assembly drive gear.
2. Hand rotate (counter clockwise) the Main Motor.
Can you rotate the Main Motor and do the gears of the
Drive Assembly rotate easily and without binding?
Replace Tra
y
2 Drive
Assembl
y
(
PL3.7.99
)
Go to step 7
7
REGISTRATION CLUTCH BINDING CHECK
1. Remove the Registration Clutch (RRP 4.1)
2. Hand rotate (counter clockwise) the Main Motor.
Can you rotate the Main Motor and do the gears of the
Drive Assembly rotate easily and without binding?
Replace the
Re
g
istration
Clutch with a
new one
(
RRP 4.1
)
Go to step 8
8
FEED CLUTCH BINDING CHECK
1. Remove the Feed Clutch (RRP 2.2)
2. Hand rotate (counter clockwise) the Main Motor.
Can you rotate the Main Motor and do the gears of the
Drive Assembly rotate easily and without binding?
Replace the
Feed Clutch
with a new
one
(
RRP 2.2
)
Replace the
Main Drive
Assembly
(RRP 8.1)
9
LVPS +24VDC CHECK
Measure the voltage between J400-5 and FG, and between
J400-6 and FG on the MCU PWB.
Is there +24VDC between J400-5 and FG, and is there
+24VDC between J400-6 and FG?
Replace the
Main Drive
Assembly
(RRP 8.1)
Replace the
LVPS Assem-
bly (RRP 9.2)