Service manual

Epson Stylus Photo PX650/TX650/TX659/PX660/PX660 Premium/Artisan 635 Revision C
TROUBLESHOOTING Troubleshooting When There is No Error Display 52
Confidential
 Faulty paper ejection
 Faulty carriage operation
Table 3-5. Diagnostics when paper ejection is abnormal
Condition Cause Check Point Remedy
Paper is jammed
on the way of
paper ejection.
Faulty PF-related operation
Turn the PF Roller, and check to see if the paper is transferred
to the Paper Eject Rollers properly.
Engage the PF-related gears properly.
PF deterioration offset counter
Check the PF deterioration offset counter and the number of
printed sheets using the adjustment program.
Initialize the PF deterioration offset counter and write the maximum
value.
Faulty operation of Paper Eject Roller Check to see if the Paper Eject Roller rotates correctly. Properly engage the gears driving the Paper Eject Roller.
Table 3-6. Diagnostics when carriage action is abnormal
Condition Cause Check Point Remedy
Abnormal
carriage operation
during printing
Carriage does not move smoothly.
Check to see if there is an obstacle in carriage route. Remove the obstacle.
Operate the carriage by hand and check to see if carriage moves
smoothly.
Clean the CR guide shaft and lubricate.
Check tension of the timing belt. Replace the compression spring of the Driven Pulley Holder.
Move the carriage to the right end and left end fully and check
to see if the length of the Head FFC is proper and the carriage
moves smoothly.
Remove the Head FFC once and reinstall it properly.