Epson R310 - page 28

EPSON Stylus Photo R300/R310 Revision A
TROUBLESHOOTING Unit Level Troubleshooting 28
At operation
-
Banding phenomenon occurs in a
direction perpendicular to "Carriage
Unit" movement getting uneven print
density.
Frame EJ Assy. 1. Check if the surface of "Frame EJ Assy." is precisely
horizontal. 1. Replace "Frame EJ Assy." with a new one.
Print Head
1. Check if "Print Head" prints correctly with the Nozzle
Check Pattern. 1. Perform the Head Cleaning, then check the Nozzle Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
Banding phenomenon occurs in a
direction horizontally to "Carriage Unit"
movement.
(Note)
If the problem is not solved, replace "PF
Motor" with a new one.
PF Roller
1. Check if there is not any foreign matter on the surface of
"PF Roller".
2. Check if "PF Roller" is not damaged.
3. Check if "Spur Gear, 37.242" is not damaged or broken.
1. Clean the surface of "PF Roller".
2. Replace "Printer Mechanism" with a new
one.
3. Replace "Printer Mechanism" with a new
one.
Printer Driver and
Special Paper
1. Check if appropriate paper is used in accordance wi th the
Printer Driver setti n gs. 1. Use the appropriate type of paper in accordance with the Printer Driver.
Print Head
1. Check if "Print Head" prints correctly with the Nozzle
Check Pattern. 1. Perform the Head Cleaning, then check the Nozzle Check Pattern.
* If the problem is not solved, replace "Print
Head" with a new one.
Banded stripes appear in a direction
horizontally to "Carr iage Unit"
movement.
These stripes appear when the p rint
paths overlap each other.
Paper Guide, Front
1. Check if "porous pad" in front of "Paper Guide, Front"
has not come off. 1. Reattach "porous pad".
Table 1-14. Check Points for Defective Print Q ual ity
Occurren ce Timing
Position of CR Phenomenon Detail Faulty Part/ Part Name Check Point Remedy
Direction of
CR movement