Epson EPL-N4000 - Inoperative Offset

EPSON EPL-N4000/EPL-N4000+ Chapter 3 Troubleshooting
Rev.B 109
3.3.8 Inoperative Offset
The Offset function does not work or does not work correctly.
Table 3-25. Inoperative Offset
Table 3-26. Inoperative Offset
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The followin
g
components are
associated with this specific problem.
One or more of these components ma
y
have failed partiall
y
or completel
y
. If
y
ou
cannot isolate the problem usin
g
this FIP,
replace each component listed below,
one at a time, until the problem
disappears.
•Wirin
g
and connectors linkin
g
the
components.
• LVPS Assembl
y
1
MAIN DRIVE ASSEMBLY INSPECTION
1. Remove the Rear Cover Assembl
y
Does the Main Motor run and do the
gears of the Drive Assembly rotate
normally?
Go to step 2 Go to FIP
Inoperative
Main Drive
Assembl
y
2
EXIT DRIVE TEST
1. Remove the Fuser Full Cover.
Does the Exit Motor run forward
during 10-6 and reverse during 10-7?
Go to step 3 Replace the
Exit Drive
Assembl
y
.
Step Actions and Questions Yes No
3
OFFSET TEST
Does the Offset Roll shift away from
the Exit Motor during 10-6 and
toward the Motor during 10-7?
Go to step 4 Replace the
Offset Unit
Assembl
y
.
4
MCU PWB REPLACEMENT
Replace the MCU PWB
Does Offset work correctly?
Problem
solved
Go to Suspect
Components