Epson EPL-N3000 - Solid Black

EPSON EPL-N3000/AcuLaser M4000N Revision C
Troubleshooting Picture Image Trouble 147
Confidential
3.5.4 Solid Black
 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)
Step Action and Question Yes No
1
Imaging Cartridge
1. Install a new Imaging Cartridge.
2. Execute test printing.
♦Is printing normal?
Problem
solved
Go to Step 2
2
HVPS/MCU
1. Blind the whole window of the ROS Assy.
2. Execute test printing.
♦Is the printed paper black?
Go to 3.4.16
HVPS/MCU
(p.126)
Go to Step 3
3
ROS ASSY
1. Blind a half of the window of the ROS Assy.
2. Execute test printing.
♦Is a half of the printed paper white and the other half
black?
Go to 3.4.3
ROS ASSY
(p.113)
Replace the
HVPS/MCU