Citizen iDP3550 - Basic Printer Specifications; Model Classification Method

iDP3550/3551 Service Manual
14 CITIZEN
• Faulty carriage mechanism
Phenomenon Cause Check Method Remedy
Abnormal sound Faulty connection of the
head connector
Check the connection of
the head connector.
Connect the connector
properly.
ERROR lamp
illuminated
The print head does not
move to the home position
at power-on, or it does not
move.
Check for any foreign
substance within a movable
range or any wear of the
gear, etc.
Replace the print head or
printer mechanism.
The paper is jamming. Turn off the power once,
and then on it again.
If there is a shear in
printing, replace the printer
mechanism.
Faulty AC supply voltage Check whether the
specified AC voltage is
supplied with an AC
voltmeter.
Use the specified AC
voltage.
Foreign substance in the
gear
Remove the printer
mechanism and check for
any foreign substance
caught in the gear, head
motor gear, or print head
moving part.
Eliminate the foreign
substance.
Shear in printing
Broken gear Remove the printer
mechanism and check for
any breakage of the gear,
head motor gear, or print
head moving part.
If broken, replace the
printer mechanism.