Troubleshooting Print Quality Problems - Epson Stylus Photo R280 Service Manual

Epson Stylus Photo R280/R285/R290/Epson Artisan 50/Epson Stylus Photo T50/T59/T60/P50
Print quality problems
Symptom Possible Cause
Dirt on the Printhead.
Printed image has
The absorber of the Cap Unit
missing colors,
contacts with the Printhead surface
and the missed
during printing.
colors are always
Head FFC failure
same.
A malfunction of the Printhead
Dirt on the Printhead.
Ink cartridge failure
Missing dots
appear
sometimes.
Poor connection of the Head FFC
A malfunction of the Printhead
Poor connection of the Head FFC
White streak /
abnormal
A malfunction of the Printhead
discharge
Vertical lines are
Improper Bi-D adjustment
misaligned.
Chapter 3 Troubleshooting
Table 3-16. Troubleshooting Print Quality Problems
Check Point
Run a cleaning cycle and make a test print. Repeat the operation
several times. Does the problem still appear?
Is the absorber of the Cap Unit deformed or damaged?
Is the Head FFC damaged or broken?
Run a cleaning cycle and print a nozzle check pattern. Repeat the
operation several times. Does the problem still appear?
Run a cleaning cycle and print a nozzle check pattern. Repeat the
operation several times. Does the problem still appear?
Replace the ink cartridge with a new one, and print a nozzle check
pattern. The printed pattern has no missing dots?
Check the FFC with a tester. Does the result show poor connection
of the FFC?
Run a cleaning cycle and print a nozzle check pattern. Repeat the
operation several times. Does the problem still appear?
Is the Head FFC not securely connected to the CR Unit and boards? Connect the FFC correctly.
Is the Head FFC not securely connected to the Printhead?
Using the Adjustment Program, check the Bi-D setting. Is the
setting made properly?
3.4 Troubleshooting by Symptom
Remedy
Clean the Printhead surface with a cotton swab.
Replace the Ink System.
Replace the Head FFC.
Replace the Printhead.
Clean the Printhead surface with a cotton swab.
The cartridge is defective. Use the new cartridge.
Replace the Head FFC.
Replace the Printhead.
Connect the FFC correctly. If there is no problem with the connection
status, replace the Printhead.
Carry out the Bi-D adjustment properly.
Revision C
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