FX-2180 Service Manual
Troubleshooting
Rev. A
3-12
3.6 REPAIRING THE PRINTER MECHANISM
This section provides instructions for repairing the printer mechanism. It
describes various symptoms, likely causes, checkpoints and solutions. The
checkpoint columns show items to be checked, including proper values to
be set for each component of the printer mechanism. For replacement and
adjustment instructions, see Chapter 4 Disassembly and Assembly, and
Chapter 5 Adjustment. If the same symptom appears after repair, select
another item in the list of the causes and repair the printer according to the
instructions.
Table 3-15. Repairing the Printer Mechanism
Problem
Symptom
Cause
Checkpoint
Solution
CR
operation
is
abnormal.
CR motor dose
not rotate at all
when the printer
is turned on.
CR motor is
defective.
Measure the
coil resistance
of the motor:
Approx. 2.7
Ω
(Refer to Table
3-1.)
Replace
CR
motor.
CR motor dose
not rotate at all
and LEDs blink
when the printer
is turned on.
CN11 is
disconnected
from the
main board.
Check CN11.
Connect
CN11
correctly.
CR motor
rotates when
the printer is
turned on. But
the CR unit
dose not move.
The timing
belt comes
off from the
pinion of CR
motor.
Check the
timing belt.
Replace
the
timing
belt.
CR unit moves
slightly and then
stops.
Platen gap is
too narrow.
Check CR unit
by moving it
smoothly by
hand.
Confirm
the
platen
gap.
Adjust
platen
gap if
narrow.
Table 3-16. Repairing the Printer Mechanism (Continued.)
Problem
Symptom
Cause
Checkpoint
Solution
CR
operation
is
abnormal.
CR unit moves
slightly and
then stops.
Lack of
lubrication or
foreign object
lodged in the
printer.
−
Move the CR
unit manually
to check if it
moves
smoothly
−
Check CR
shaft or oil pad
for their
condition;
dried up or
not.
Replace
the oil
pad or
lubricate
CR
shaft.
Remove
it and
clean the
shaft,
and
lubricate
it.
HP detector
is detective.
Check HP
detector. (Refer
to Table 3-2.)
Replace
HP
detector.
A foreign
object is
lodged in HP
detector.
Check the Hp
detector.
Remove
any
foreign
object.
CN4 is
disconnected
from Hp
detector.
Check the
connection.
Connect
CN4
correctly.
CR motor
moves left (HP
side) and
strikes the
frame in the
printer.
HP detector
is failure.
Check HP
detector. (Refer
to Table 3-2.)
Replace
HP
detector.
Содержание FX-2180 - Impact Printer
Страница 1: ...EPSON EPSON EPSON France S A SERVICE MANUAL FX 2180 PRODUIT ...
Страница 2: ...6 59 0 18 3LQ PSDFW RW 3ULQWHU EPSON FX 2180 4009047 ...
Страница 6: ...REVISION STATUS Rev Date Page s Contents A 1998 04 02 All First release ...
Страница 11: ...PRODUCT DESCRIPTIONS 3 7 5 ...
Страница 24: ...OPERATING PRINCIPLES 3 7 5 ...
Страница 28: ...TROUBLESHOOTING 3 7 5 ...
Страница 43: ...DISASSEMBLY AND ASSEMBLY 3 7 5 ...
Страница 76: ...ADJUSTMENT 3 7 5 ...
Страница 86: ...MAINTENANCE 3 7 5 ...
Страница 89: ...APPENDIX 3 7 5 ...
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