Epson 440 - Manual (Page 98)

EPSON Stylus Color 440/640/740 Revision A
Chapter 3 Troubleshooting 98
Abnormal paper
feeding. Paper is not fed. Friction of the PF roller. Check if the PF roller rotates when paper is
not fed. Clean the PF roller by the cleaning
sheet. Replace the PF roller if it
does not recover.
Abnormal operation of the
hopper. Check movement of the ASF hopper
visually. Replace ASF.
Malfunction of ASF drive
change-over. Check if the ASF gear rotates visually. Replace gears of the ASF drive
change-over.
Friction of the PF roller. Check if the PF roller slips during paper
feeding. Clean the PF roller by the cleaning
sheet. Replace the PF roller if it
does not recover.
Printer stops during
initialization. Fatal error appears. ASF sensor is defective. Check the signal level of the ASF sensor.
(Refer to Table 5-2) Replace ASF sensor.
PE sensor is defective. Check the signal level of the PE sensor.
(Refer to Table 5-2) Replace PE sensor.
HP sensor is defective. Check the signal level of the HP sensor.
(Refer to Table 5-2.)
Head FFC is disconnected. Check if the head FFC is connected. Connect the head FFC.
CR motor is defective. Check the CR motor cable is connected. Replace the CR motor if there is no
problem in the cable connection.
PF motor is defective. Check if the PF motor cable is connected. Replace the PF motor if there is no
problem in the cable connection.
Table 3-7. Repair of the Printer Mechanism
Symptom Condition Cause Check Point Solution