Epson Stylus Photo R310 Service Manual page 28

EPSON Stylus Photo R300/R310
Occurrence Timing
Phenomenon Detail
Position of CR
Banding phenomenon occurs in a
direction perpendicular to "Carriage
Unit" movement getting uneven print
density.
Banding phenomenon occurs in a
direction horizontally to "Carriage Unit"
movement.
Direction of
CR movement
At operation
-
(Note)
If the problem is not solved, replace "PF
Motor" with a new one.
Banded stripes appear in a direction
horizontally to "Carriage Unit"
movement.
These stripes appear when the print
paths overlap each other.
TROUBLESHOOTING
Table 1-14. Check Points for Defective Print Quality
Faulty Part/
Part Name
1. Check if the surface of "Frame EJ Assy." is precisely
Frame EJ Assy.
horizontal.
1. Check if "Print Head" prints correctly with the Nozzle
Check Pattern.
Print Head
1. Check if there is not any foreign matter on the surface of
"PF Roller".
2. Check if "PF Roller" is not damaged.
PF Roller
3. Check if "Spur Gear, 37.242" is not damaged or broken.
1. Check if appropriate paper is used in accordance with the
Printer Driver and
Printer Driver settings.
Special Paper
1. Check if "Print Head" prints correctly with the Nozzle
Check Pattern.
Print Head
1. Check if "porous pad" in front of "Paper Guide, Front"
has not come off.
Paper Guide, Front
Unit Level Troubleshooting
Check Point
1. Replace "Frame EJ Assy." with a new one.
1. Perform the Head Cleaning, then check the
1. Clean the surface of "PF Roller".
2. Replace "Printer Mechanism" with a new
3. Replace "Printer Mechanism" with a new
1. Use the appropriate type of paper in
1. Perform the Head Cleaning, then check the
1. Reattach "porous pad".
Revision A
Remedy
Nozzle Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
one.
one.
accordance with the Printer Driver.
Nozzle Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
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