Solid Black - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

3.5.4 Solid Black

Step Action and Question
Imaging Cartridge
1 1. Install a new Imaging Cartridge.
2. Execute test printing.
♦
Is printing normal?
HVPS/MCU
1. Blind the whole window of the ROS Assy.
2
2. Execute test printing.
♦
Is the printed paper black?
ROS ASSY
1. Blind a half of the window of the ROS Assy.
3
2. Execute test printing.
♦
Is a half of the printed paper white and the other half
black?
Troubleshooting
Description of the problem:
Printed page is completely black.
Parts below can be the source of this error:
• Imaging Cartridge
• HVPS/MCU
(p.301)
• LVPS
(p.287)
• 150 FEEDER ASSY
(p.211)
• ROS ASSY
(p.239)
• BOARD ASSY., MAIN
(p.299)
• 550 FEEDER ASSY
(p.224)
Yes
Problem
Go to Step 2
solved
Go to 3.4.16
HVPS/MCU Go to Step 3
(p.126)
Go to 3.4.3
Replace the
ROS ASSY
HVPS/MCU
(p.113)
Picture Image Trouble
No
Revision C
147
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