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ER-04RP
7-3. Repair
For troubleshooting, descriptions are made for the following items.
Troubleshoot according to the descriptions, locate the trouble posi-
tion, and repair it.
7-3-1. Phenomenon
Search this column to identify the trouble phenomenon.
7-3-2. State
Thesame
trouble may have different states. Check this column.
7-3-3.
Cause
me possible causes are listed in this column. Check this mlumn for
the cause.
7-3-4.
Check position and procedure
This
column states how to inspect to identify the cause.
7-3-5.
Repairprocedure
Repair the trouble according to the description in this column.
Phenomenon
1. The motor does
not rotate.
2. The recording
paper is not cut.
State
B
The motor does not
rotate even when the
motor rotation command
is delivered.
When the motor rotation
command is delivered,
the motor stads rotation
but stops soon.
" The blade tries to cut,
but returns midway.
" Abnormal operation of
the movable blade
s The movable blade
does not move smoothly
The blade does not cut
well.
Cause
1. Abn~rmal input power to
the motor
2. Motor defect
3. The rotating section is
locked by foreign materials.
1. Defective detecting switch
1. Improper recording paper
2. Foreign materials in the
path of recording paper
1. Deformed cutter bar
2. Paper dust clog or poor
lubrication on the blade
slidin~ section
1. Breakage or wear in the
movable blade
Check position and
Repair procedure
Drocedure
Check the input power.
I*
Ifthe voltage is outside
Use a tester to check
the specification, repair
across the motor.
the power supply circuit.
Apply the rated voltage
If the motor doesn't
across the motor and
rotate, replace the
check if it rotates.
motor with a new one.
Remove the cutter cover " Remove foreign
and check the moving
materials.
section.
Use a tester to check
If it is abnormal, replace
the switch output.
the switch.
I
Check the thickness of
Use the specified
recording paper.
recording paper.
(Max. O.lmm)
s Check the path of
s Remove foreign
remrding paper.
materials,
" Remove the cutter cover
If the cover is deformed,
and check for
replace it.
deformation.
Remove the cutter cover
Remove paper dust and
and check for dust.
lubricate the section.
Remove the movable
If the blade is broken or
blade and check the
worn down, replace it.
blade tip.
-11-
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