Sharp XE-A1BT Service Manual page 23

[2] Printer for XE-A107 series
Since there are no service parts for this model printer, only the
printer unit is supplied. Therefore, the printer component parts are
not supplied and no service document is issued.
For troubleshooting of the printer, refer to the table below:
b. Trouble shooting
Phenomena
The printer motor is locked and the buzzer
sounds intermittently
The printer does not work properly
Defective print (Lack on the upper/ lower or
left/right side)
Thin print
Uneven pitch of print paper feed
Check point/possible cause
Check if the printer cable is discon-
nected
Check if the printer life is reached
Check if any foreign material is attached
to the printing type wheel or the gear
section
Check if the printing type is worn down
Check if any foreign material is attached
to the printing type wheel
Check if the printing type wheel is worn
down
Check if the ink roll life is reached
Check if the ink roll is properly installed
Check if the printing type wheel is worn
down
Check if the roll paper size is proper
Check if a load is applied to the roll pa-
per during paper feeding. This may re-
sult from a foreign materials attached to
the roll paper.
6-2
Repair
Check and repair the printer cable
Replace the printer
Remove the foreign material.
(After removing the foreign material, set the
mode switch to "REG" and press "CL" key)
Replace the printer.
Install the ink roll properly
Replace the printer
Replace the ink roll.
Install the ink roll properly
Replace the printer
Use roll paper as specified below;
Paper width: 57.5 0.5mm
Outside diameter: ϕ80mm or less
Inside diameter of paper tube: ϕ12mm or less
Paper thickness: 0.06~0.085mm
Remove any foreign material.