Epson SQ-1170 Service Manual page 148

Symptom
Paper is not fed
normally.
Table 5-7. Repair of Printer Mechanism (Cont.)
Condition
Top edge holding
mechanism does
not function
properly.
Paper-feeding
method cannot be
changed.
Paper is not fed.
The paper-feed mo-
tor is defective.
Cause
The TE motor is
defective.
Release mecha-
nism is defective.
Foreign substance
are lodged in the
paper path.
Paper feeding
gears are
defective.
5-21
Checkpoint
Measure the coil
resistance of the
TE motor.
Check the release
mechanism.
Visually check the
paper path.
Visually check the
gears.
Measure the coil
resistance of the
PF motor.
Solution
Replace the TE
motor.
Replace the defec-
tive parts.
Remove any for-
eign substance.
Replace defective
gears.
Replace the PF
motor.