YQE8-J0092E
38
J
Cleaning Roller is dirty.
(Paper Feed, Paper Ejection)
If there is dust on the Cleaning Roller, use a clear cloth
soaked with isopropyl alcohol to clean the Cleaning Roller.
K
Defective Pinch Roller
Verify that there is no unevenness and/or scratches on the
Pinch Roller.
Otherwise replace Pinch Roller ASSY 17 .
L
Lack of tension on Timing Belt
Adjust the tension of timing belt, referring to Section 3.2 of
this document.
If there is defective, replace
Timing Belt (Feed Roller Drive) 18 ,
Timing Belt (Feed Roller Drive) 19 or
Timing Belt (Roll Paper Drive) 20 .
M
Defective DC Motor ASSY (Ribbon
Winding)
Replace DC Motor ASSY (Ribbon Winding)
6
and if it
works, the original part is defective.
N
Defective Platen ASSY.
If the printout has obvious streaking or density change for
about every 57milimeters, replace Platen ASSY 14.
O
Defective DC Fan (Thermal Head
Cooling).
Replace DC Fan (Thermal Head Cooling) 13 and if it
works, the original part is defective.
P
Connector failure on DC Fan (Thermal
Head Cooling), or cable disconnection.
Verify that connection between DC Fan connector and PCB
HSSV7-CONT-F ASSY (CN12-CN63-CN70) is properly
connected. If it is abnormal, repairing at manufacturer is
required.
Q
Defective Paper Cutter Unit.
Replace Paper Cutter Unit 10 and if it works, the original
part is defective.
R
Defective Paper Feed Sub-Motor.
If Paper Feed Sub-Motor does not work, the Sub-Motor may
be defective. Repairing at the manufacturer is required.