Epson Stylus Photo PX650 Service Manual page 56

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635
 Printing is not carried out correctly
Condition Cause
Ink Cartridge not operating
properly
FFC not connected
properly
Cleaner Blade not
Carriage moves
operating properly
correctly but printing is
not normal.
FFC internal disconnection Check each FFC with a circuit tester.
Faulty Printhead
Ink leakage or clogging
with ink
 Waste ink is not discharged properly
Condition Cause
Pump tube collapsed
Cap is dirty or damaged.
Tube is disconnected from
Ink is not flowing from
Cap bottom
Printhead to Cap or
Cap does not slide up
from Cap to Ink Tube
properly
Tube between the Waste
Ink Tray Assy - I/S Assy
collapsed
TROUBLESHOOTING
Table 3-11. Diagnostics when printing is erratic
Check Point
Install a new ink cartridge and test printing.
Check the FFC connection between each CSIC Board -
Main Board.
Check for debris adhering to the Cleaner Blade.
Alternate cleaning and test printing several times.
Check to see if there is ink leakage from the Printhead.
Table 3-12. Troubleshooting for Faulty Ink Supply or Faulty Waste Ink Discharge
Check Point
Visually check the tube.
Check for foreign object adhering to the Cap or
damaged Cap.
Visually check for disconnection of the tube from Cap
bottom.
Check for installation of compression spring on the tube
assembly.
Check the tube connection on the bottom of the Waste
Ink Tray Assy and the tube route under the tray.
Troubleshooting When There is No Error Display
Remedy
Replace the ink cartridge.
Connect the FFC firmly.
Clean or replace the Cleaner Blade.
Replace the FFC.
When the condition is not improved even after cleaning, replace the Printhead with a
new one.
Install the ink cartridges properly.
If this does not improve the condition, replace the ink cartridges and the Printhead.
Remedy
Replace the Ink System Assy
Remove foreign object from the Cap with a cotton swab. If the Cap is damaged,
replace the Ink System Assy.
Connect the tube properly.
Replace the Ink System Assy with a new one.
Connect the tube of the Waste Ink Tray Assy properly, and route the tube properly.
Revision C
56
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