Epson Stylus Photo RX640 series, Service Manual

Page: 32 / 103

EPSON Stylus PHOTO RX640/650 Revision A
Troubleshooting Troubleshooting When There is No Error Display 32
†
Faulty paper ejection
†
Faulty carriage operation
Table 3-2. 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 degradation
compensation counter Check the PF degradation compensation counter and the
number of printed sheets using the adjustment program.
Initialize the PF degradation compensation counter and write the maximum value.
Faulty operation of Paper
Eject Roller
Check to see if Paper Eject Roller rotates correctly. Properly engage the gears driving the Paper Eject Roller.
Table 3-3. 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 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.