Epson Stylus Photo R220 - Page 37

EPSON Stylus Photo R220/R230 Revision A
TROUBLESHOOTING Unit Level Troubleshooting 37
During operation
-
Vertical bands (perpendicular to the
Carriage Unit movement) appear getting
uneven print density.
Frame EJ Assy.
1. Check if the surface of the Frame EJ Assy. is precisely
horizontal.
1. Replace the Frame EJ Assy. with a new one.
Print Head
1. Print and check if the Nozzle Check Pattern is printed
properly.
1. Perform the Head Cleaning, then check the
Nozzle Check Pattern.
* If the problem is not solved, replace the
Print Head with a new one.
Horizontal bands (horizontally to the
Carriage Unit movement) appear.
(Note)
If the problem is not solved, replace the
PF Motor with a new one.
PF Roller
1. Check if there is not any foreign matter on the surface of
the PF Roller.
2. Check if the PF Roller is not damaged
3. Check if the Spur Gear, 37.242 is not damaged or broken.
1. Clean the surface of the PF Roller.
2. Replace the Printer Mechanism with a new
one.
3. Replace the Printer Mechanism with a new
one.
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.
Print Head
1. Check if the 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 the
Print Head with a new one.
Horizontal narrow bands (horizontally to
the Carriage Unit movement) appear.
These bands appear when the print paths
overlap each other.
Paper Guide, Front
1. Check if the porous pad in front of the Paper Guide, Front
has not detached.
1. Reattach the porous pad.
Table 1-26. Check Points for Print Quality Problems
Occurrence
Timing
Position of CR
Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
Direction of
CR movement