Epson Stylus Photo R280 Service Manual page 48

Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50
Symptom Possible Cause
Dirt on the CR shaft
PF Roller failure
Ink cartridge failure
A malfunction of Carriage
movements
Improper platen gap
Printed image has
white banding.
Some gear(s) is (are) damaged.
Dirt on the Printhead is preventing
nozzles from firing ink straight
toward the paper.
A malfunction of the Printhead
CR shaft failure
Chapter 3 Troubleshooting
Table 3-16. Troubleshooting Print Quality Problems
Check Point
Is there any dirt on the CR shaft?
Is there any dirt on the PF Roller?
Is the PF Roller damaged?
Replace the ink cartridge with a new one, and print a nozzle check
pattern. The printed pattern has no missing dots?
Are the carriage shaft and the Main Frame properly lubricated?
Is the platen gap (gap between the Printhead surface and the platen)
not properly set?
Is (are) the gear(s) in the paper feed and ASF mechanisms
damaged?
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is there any dust or foreign matter on the Cleaner Blade?
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is the CR shaft not properly installed?
Is the CR shaft surface damaged?
3.4 Troubleshooting by Symptom
Remedy
Clean off any dirt on the CR shaft surface with a dry soft cloth.
Clean the PF Roller surface with a soft brush carefully so as not scratch
it.
Replace the PF Roller.
The cartridge is defective. Use the new cartridge.
Apply G-71 grease referring to "Lubrication of CR
Adjust the platen gap properly.
Replace the damaged gear(s).
Clean the Printhead surface with a cotton swab.
Remove any dust or foreign matter on the Cleaner Blade, or replace the
blade.
Replace the Printhead.
Reinstall the CR shaft properly.
Replace the CR shaft.
Revision C
Unit"(p.124).
48
Confidential