Epson Stylus DX4850 Service Manual

EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850 Revision A
TROUBLESHOOTING Troubleshooting 119
•Print start
position slip
The printing operation is correctly
performed. But, the top margin is
insufficient than usual one.
Holder Shaft Unit
1. Check if any paper dust is not adhered to the surface of
the LD Roller.
1. Set a cleaning sheet in the ASF up side
down.
Then holding the top edge, try to load the
paper from the Printer driver. The micro pearl
on the LD Roller surface is removed. To
remove severe smear, staple a cloth
moistened with alcohol to a post card and
clean the roller in the same manner. As for
the cleaning sheet, refer to page 99 “Remedy
of the Paper out error”
* If the problem is not solved, replace the
Holder Shaft Unit with a new one.
• Ink stain of paper
Ink stain occurs at the back, top end or
bottom end of the print paper.
Paper Guide Front
Unit
1. Check if the Paper Guide Front Unit does not have the ink
stain.
1. Clean the Paper Guide Front Unit with a soft
cloth.
2. Check if heaps of ink are not formed on Porous Pad Paper
Guide Front.
2. Replace the Paper Guide Front Unit with a
new one.
EJ Frame Unit 1. Check if the EJ Roller Unit does not have the ink stain. 1. Clean the EJ Roller Unit with a soft cloth.
PF Roller Unit 1. Check if the PF Roller Unit does not have the ink stain. 1. Clean the PF Roller Unit with a soft cloth.
Table 3-22. Check point for the poor printing quality
Print Quality
State
Detailed phenomenon
Defective
unit/part name
Check point Remedy
LD Roller
Paper Guide Front Unit
Porous Pad Paper Guide Front

Epson Stylus DX4850 Specifications

General

Brand	Epson
Model	Stylus DX4850
Category	Printer
Language	English