Epson EPL-N4000 - Page 120

EPSON EPL-N4000/EPL-N4000+ Chapter 3 Troubleshooting
Rev.B 106
Table 3-19. Inoperative Main Drive Assembly Table 3-20. Inoperative Main Drive Assembly
Step Actions and Questions Yes No
4
FUSER ASSEMBLY BINDING
CHECK
1. Remove the Fuser Assembl
y
.
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
Fuser
Assembl
y
with a new
one.
Go to step 5
5
EXIT DRIVE ASSEMBLY BINDING
CHECK
1. Lift the Exit Drive Assembl
y
sprin
g
-
loaded drive
g
ear off of the Main
Drive Assembl
y
drive
g
ear.
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
Exit Drive
Assembl
y
.
Go to step 6
6
TRAY 2 DRIVE BINDING CHECK
1. Lift the Tra
y
2 sprin
g
-loaded drive
g
ear off of the Main Drive Assembl
y
drive
g
ear.
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
Tray 2
Drive
Assembly.
Go to step
7
Step Actions and Questions Yes No
7
REGISTRATION CLUTCH BIND-
ING CHECK
1. Remove the Re
g
istration Clutch.
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.
Go to step 8
8
FEED CLUTCH BINDING CHECK
1. Remove the Feed Clutch.
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.
Replace the
Main Drive
Assembl
y
.
9
LVPS +24VDC CHECK
Measure the volta
g
e 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
Assembl
y
.
Replace the
LVPS
Assembl
y
.