Epson Artisan 810 Service Manual page 79

Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Print quality problems
Problem
Contamination of the Printhead surface
(dots are missing)
The capping absorber contacts with the
Printhead surface.
Certain dots are always not
printed correctly
Head FFC failure
Printhead failure
Contamination of the Printhead surface
(dots are missing)
Ink cartridge failure
Dots are sometimes missing
Poor connection of the Head FFC
Printhead failure
Poor connection of the Head FFC
Printout is totally abnormal
Printhead failure
Vertical lines are not
Improper Bi-D adjustment
straight
Ink mist is attached on the Anti static cloth on the rear frame is
paper. deformed.
TROUBLESHOOTING
Table 3-20. Troubleshooting Print Quality Problems
Possible Cause
Run a cleaning and make a test print. Repeat it several
times.
Is the capping absorber deformed or damaged?
Is the Head FFC damaged?
Run a cleaning and nozzle check. Repeat it several times.
Run a cleaning and nozzle check. Repeat it several times.
Replace the ink cartridges with new ones, and run a nozzle
check.
Check the FFC using a tester. Does the result show
abnormality?
Run a cleaning several times, and then run a nozzle check.
Is the FFC securely connected to the boards and the
Carriage Unit?
Is the Head FFC securely connected to the Printhead?
Has the Bi-D adjustment been carried out properly?
Check if the anti static cloth is correctly formed to touch the
paper.
Troubleshooting without Error Message
Check point
Clean the Printhead surface using a cotton-tipped swab.
Replace the Ink System with a new one.
(See
Check if the Head FFC is damaged.
(See
If the cleaning does not solve the problem, replace the Printhead
with a new one. (See
Clean the Printhead surface using a cotton-tipped swab.
Replace the Ink cartridges with new ones.
Replace the Head FFC with a new one.
(See
If the cleaning does not solve the problem, replace the Printhead
with a new one. (See
Connect the Head FFC correctly.
If no problem is found in the connection, replace the Printhead
with a new one. (See
Carry out the Bi-D adjustment.
(See
Attach the anti static cloth again so as to let it touch the paper. If
not improved much, replace the Printer Mechanism with a new
one. (See
replacing the Printer Mechanism"
Remedy
"4.2.5.7 Ink System" (p.147).)
"4.2.5.1 Printhead" (p.133).)
"4.2.5.1 Printhead" (p.133).)
"4.2.5.1 Printhead" (p.133).)
"4.2.5.1 Printhead" (p.133).)
"4.2.5.1 Printhead" (p.133).)
"5.2 Adjustment Using Adjustment Program"
"4.2.1 Parts transferred from the old printer when
(p.108).)
Revision G
(p.213).)
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