Epson Stylus NX510 Service Manual page 87

Epson Stylus NX510/515/SX510W/515W/TX550W/NX415/SX410/415/TX410/419/NX215/SX210/215/TX210/213/219/ME OFFICE 510
Print Quality State Detailed phenomenon
The printing operation is correctly
• Print start position
performed. But, the top margin is
slip
insufficient than usual one.
Ink stain occurs at the back, top end or
• Ink stain of paper
bottom end of the print paper.
TROUBLESHOOTING
Table 3-24. Check point for the defective printing quality
Defective
unit/part name
1. Check if any paper dust is not adhered to the surface of
the LD Roller.
ASF Unit
1. Check if the Front Paper Guide Unit is free from ink
stain.
Porous Pad Front Paper Guide
Front Paper Guide
2. Check if heaps of ink are not formed on Porous Pad Front
Paper Guide.
EJ Roller Unit 1. Check if the EJ Roller Unit is free from ink stain.
PF Roller Unit 1. Check if the PF Roller Unit is free from ink stain.
Error Indications and Fault Occurrence Causes
Check point
LD Roller
Front Paper Guide Unit
Revision A
Remedy
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
" Check point for Paper out error according to
each phenomenon " (p.72).
* If the problem is not solved, replace the ASF
Unit with a new one.
1. Clean the Front Paper Guide Unit with a soft
cloth.
2. Replace the Front Paper Guide Assy with a new
one.
1. Clean the EJ Roller Unit with a soft cloth.
1. Clean the PF Roller Unit with a soft cloth.
Confidential
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