Epson EPL-N1600 Option, Service Manual

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EPSON EPL-N1600 Chapter 3 Troubleshooting
Rev. A 87
3.4 VERTICAL WHITE BANDING
Problem Suspect Components
There are areas of the image that
are extrreamly light or missig
entirely. These missing areas
form wide ands that runs vertically
along the paper feeding direction. The following components are assosiated with
this specific problem. One or more of these
components may have failed partially or
completely. If you can not isolate the problem
using this procedure, replace each components
listed below, one at a time, until the problem
disappears.
• Mirror Assy.
• Fuser Assy.
• Imaging Cartridge
Step Action and Question Yes No
1 PAPER CONDITIONS
Is the paper damp?
Replace with dry
paper. Go to Step 2.
2 IMAGING CARTRIDGE
Install a new Imaging Cartridge.
Is the print image normal?
Problem solved. Go to Step 3.
3 LASER BEAM PATH
inspect the Mirror Assy. and the laser
beam path between the ROS Assy.
and the OPC drum.
• Is a surface of the Mirror Assy.
clean?
• Is the laser beam path free of any
obstruction?
Go to Step 4. Clean a surface
of the Mirror
Assy. or
remove any
ostructions from
laser beam
path.
4 ROLL BTR
Inspect the Roll BTR for
contamination and wear.
Is the Roll BTR free of contamination
and wear?
Go to Step 5. Replace the
Roll Assy. BTR.
5 PAPER PATH]
Inspect the paper path throughly for
any contamination and wear.
Is the paper path clean and free of
obstaruction?
Go to Step 6. Clean or
remove any
obstruction
from the paper
path.
6 ROLL FUSER AND ROLL PRESS
1. Remove the Fuser Assy.
2. Inspect the Roll Fuser and the Roll
Press for scratches and
contamination.
Are these Rolls free of scratches and
contamination?
Go to suspect
component. Replace the
Roll Fuser or
the Roll Press.