XE-A301. Printer Manual, Parts Guide - Sharp ECR Service Manual (repair manual). Page 12

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Phenomenon
Condition
Cause
Level
Checkpoints and
Checking Method
Repair Method
 9. Roll paper is
not taken up.
Roll paper is fed
but not taken up.
(1) The paper take up shaft is
worn or damaged.
B
Verify that the paper take
up shaft is not worn or
damaged.
If any wear or damage is
found, replace the paper
take up shaft.
(2) SP gear, C-spring or pulley is
worn or doesn’t rotate
smoothly.
B
Check paper winding parts
for wear and damage.
If wear or damage is found,
replace the part with a new
one.
(3) Some of the gear teeth are
worn or damaged.
B
Verify that no teeth are
worn or damaged.
If any of the gear teeth are
worn or damaged, replace
the gear.
(4) The paper take up belt is worn
or stretched.
B
Verify that the paper take
up belt is not worn or
stretched.
If the paper take up belt is
worn or stretched, replace
it.
10. Paper
cannot be
taken up
properly.
Because the
tension to take
up the roll paper
is weak, the
diameter of the
paper taken up
becomes larger.
(1) The paper take up shaft is
worn or damaged.
B
See Cause (1) of Phenomenon 9.
(2) SP gear, C-spring or pulley is
worn or doesn’t rotate
smoothly.
B
Replace SP gear, C-spring or pulley with new one.
(3) Paper roll swerves.
B
Verify that the paper take
up frame sub ass’y is not
deformed or warped.
If any deformation or warp
is found, replace the paper
take up frame sub ass’y.
(4) Some of the gear teeth are
worn or damaged.
B
See Cause (3) of Phenomenon 9.
(5) The paper take up belt is worn
or stretched.
B
See Cause (4) of Phenomenon 9.
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