EPSON Stylus PHOTO RX600/610, RX620/630 Revision C
Troubleshooting Troubleshooting for Printer 27
Faulty carriage operation
Printing is not carried out correctly.

Table 3-6. Diagnostics when carriage action is abnormal

Condition Cause Check Point Remedy
When power is turned on,
carriage operation is
abnormal.
There is an obstacle in CR shift area. Check with the naked eye whether there is an obstacle. Remove the obstacle.
CR lock is not released. Check that change lever is in the front of printer. Return the change lever to the back of printer by tweeters or a
small driver.
Check whether the CN12 connector and coil resistance of the
PF motor are as specified. See Table3-21 “Motor Resistance
and Check Point” (p 35).
Connect the PF motor to CN12 on the main board.
Replace the printer mechanism or PF motor.
Check whether any gear is damaged on the torque
transmission route of PF motor. Replace the damaged gear with a new one.
Faulty CR motor Check whether the internal coil resistance is just as specified
and whether the harness is connected properly. See Table3-21
“Motor Resistance and Check Point” (p 35).
Replace the CR motor.
Abnormal carriage operation
during printing Carriage does not move smoothly. Operate the carriage by hand and check whether carriage
moves smoothly. Clean the CR guide shaft and lubricate.
Check tension of timing belt. Adjust tension or replace the belt.
Check whether there is an obstacle in carriage route. Remove the obstacle.

Table 3-7. Diagnostics when prin ting is erratic

Condition Cause Check Point Remedy
Carriage moves correctly but
printing is not normal. Head FFC is not connected properly. Check whether Head FFC is connected properly to CN13 and
CN14 of main board. Connect the FFC correctly.
Inside of FFC is not connected
properly. Check FFC by tester. Replace the FFC.
Faulty ink cartridge Set new ink cartridge and execute test printing. Replace the ink cartridge.
Faulty head unit Repeat cleaning and test printing alternately several times. Replace the head unit.
Faulty head cleaner Check whether dust is adhering to head cleaner. Clean or replace the head cleaner.