Epson Stylus PHOTO RX640 Service Manual page 32

EPSON Stylus PHOTO RX640/650
Faulty paper ejection
Condition Cause
Faulty PF-related operation
Paper is jammed on the PF degradation
way of paper ejection. compensation counter
Faulty operation of Paper
Eject Roller
Faulty carriage operation
Condition Cause
Abnormal carriage
Carriage does not move
operation during
smoothly.
printing
Troubleshooting
Table 3-2. Diagnostics when paper ejection is abnormal
Check Point
Turn the PF Roller, and check to see if the paper is
transferred to the Paper Eject Rollers properly.
Check the PF degradation compensation counter and the
number of printed sheets using the adjustment program.
Check to see if Paper Eject Roller rotates correctly.
Table 3-3. Diagnostics when carriage action is abnormal
Check Point
Check to see if there is an obstacle in carriage route.
Operate the carriage by hand and check to see if carriage
moves smoothly.
Check tension of timing belt.
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.
Troubleshooting When There is No Error Display
Remedy
Engage the PF-related gears properly.
Initialize the PF degradation compensation counter and write the maximum value.
Properly engage the gears driving the Paper Eject Roller.
Remedy
Remove the obstacle.
Clean the CR guide shaft and lubricate.
Replace the Compression Spring of the Driven Pulley Holder.
Remove the Head FFC once and reinstall it properly.
Revision A
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