Epson EPL-N1600 Option, Руководство по обслуживанию

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EPSON EPL-N1600 Chapter 3 Troubleshooting
Rev. A 94
3.11 DIRTY BACKBROUND
Problem Suspect Components
There is toner contamination on
all or part of the page. The
contamination appears as a very
light gray dusting. 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.
• Fuser Assy.
• Imaging Cartridge
• PWBA Hotaru
• C258MAIN Board
Step Action and Question Yes No
1 IMAGING CARTRIDGE
Install a new Imaging Cartridge.
Is the print image normal?
Problem solved. Go to Step 2.
2 HPS OUTPUT VOLTAGES CR AND
DB TO BCR AND MAGNET ROLL
1. Reform the plate contacts CR, DB
and RTN so they make better BCR,
Magnet Roll, OPC Drum and the
terminals on the HPS.
2. Print test image.
Is the print image quality normal?
Problem solved. Go to Step 4.
3 HPS
1. Replace the HPS.
2. Print test image.
Is the print image quality normal?
Problem solved. Go to Step 4.
4 ROLL FUSER AND ROLL PRESS
1. Remove 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 suspec
component. Replace the
Roll Fuser or
the Roll Press.