CBM-290/291 Service Manual
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12 -
CITIZEN
Phenomenon
Cause
Check Method
Remedy
Paper feed failure
Check whether or not the
printing paper is
jamming or torn and
caught in a paper path.
Eliminate unnecessary
printing paper and re-set
it correctly.
Foreign substance in the
gear
Check the platen gear or
motor gear of the printer
mechanism for any
foreign substance.
Eliminate the foreign
substance.
The printing paper
is not fed or fed
irregularly.
Broken gear
Check the platen gear or
motor gear of the printer
mechanism for breakage.
If broken, replace the
printer mechanism.
Faulty sensor
Does not detect the
printing paper
.
Faulty paper sensor
Check the window of the
paper sensor for any
foreign substance.
Eliminate the foreign
substance or replace the
printer mechanism.
Motor connector
connection failure
Check the connector for
connection.
Connect the connector
properly
Paper jam
Check for the printing
paper for jamming.
Eliminate the jammed
paper.
Faulty auto cutter
The cutter does not
function
Faulty auto cutter
Replace the auto cutter.
When the trouble
still persists
Replace the control board
and check whether the
printer functions
properly.
Replace the control
board.
* For the printer mechanism LT-282 and auto cutter AC-120, see the Service Manual separately
provided.