Epson Artisan 810 Service Manual page 81

Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Ink is not supplied properly
Problem
Ink cartridge failure
Incorrect connection of the Head FFC
Head Cleaner failure
Poor connection of the Head FFC
Printhead failure
The carriage moves
correctly, but the printout is
abnormal
Ink leak or clogging
TROUBLESHOOTING
Table 3-21. Troubleshooting Ink Supply Problems
Possible Cause
Set new ink cartridges and make a test print. The problem
does not occur?
Is the Head FFC properly connected to the Printhead and
CN1, CN2, CN3 and CN4 connectors on the Main Board?
Is the Head Cleaner free from dust or dirt?
Check the FFC using a tester. Does the result show
abnormality?
Run a cleaning and make a test print. Repeat it several
times.
Is ink leakage observed on the Printhead/Cartridge Box
Unit?
Is the Ink Supply Tube Assy properly connected to the
Printhead and the Cartridge Box Unit?
Is the Decompression Tube properly connected to the
Cartridge Box Unit?
Troubleshooting without Error Message
Check point
Replace the Ink cartridges with new ones.
Connect the Head FFC correctly.
(See
Clean the Head Cleaner or replace it with a new one.
(See
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
Install the ink cartridges correctly. If this does not solve the
problem, replace the ink cartridges with new ones.
Connect Ink Supply Tube Assy to the Printhead and the
Cartridge Box Unit correctly. If the problem is not solved,
replace the Printhead, or the Ink Supply Tube Assy/Cartridge
Box Unit with new ones. (See
"4.2.5.6 Ink Supply IC Holder Assy"
the Head Supply Assy"
If no problem is found in the connection, replace the
Decompression Tube with a new one.
(See
Remedy
"4.2.5.1 Printhead" (p.133).)
"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.144),
(p.109).)
"4.2.5.4 Decompression Pump Unit" (p.142).)
Revision G
(p.133),
"4.2.2 Replacing
81
Confidential