Color Inkjet Printer Service Manual

EPSON Stylus Photo R300/R310 Revision A
TROUBLESHOOTING Unit Level Troubleshooting 29
At operation
-
One or more than one traces of "Star
Wheels" appear in a direction
perpendicular to "Carriage Unit"
movement.
Frame EJ Assy.
1. Check if "Star Wheels" have not come off.
2. Check if the surface of "Frame EJ Assy." is mounted
horizontally.
1. Reassemble "Star Wheels" correctly.
2. Replace "Frame EJ Assy." with a new one.
Roller EJ Assy.
1. Check if "Roller EJ Assy." has not come off from "Printer
Mechanism".
1. Reassemble "Roller EJ Assy." correctly.
Normal printing task is performed;
however, the top margin is less than
usual.
Holder, Shaft,
LD Roller
1. Check if any paper dust has not adhered to the surface of
"LD Roller".
1. Remove the dust by using a soft bruch or soft
cloth moistened with alcohol.
* If the problem is not solved, replace
"Holder, Shaft, LD Roller" with a new
one.
The print is light and thin.
Printer Driver and
Special Paper
1. Check if appropriate paper is used in accordance with the
Printer Driver settings.
1. Use the appropriate type of paper in
accordance with the Printer Driver settings.
Print Head
1. Check if the correct Head ID has been input in EEPROM
by using the Adjustment Program.
1. Input 15-digit ID code of the Head ID in
EEPROM by using the Adjustment Program
Table 1-14. Check Points for Defective Print Quality
Occurrence Timing
Position of CR
Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
LD Roller