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CITIZEN 21
3.7 Removing paper jam and canceling cutter lock
Remove paper jam or cancel cutter lock by following the procedure explained below.
(1) Open front cover
(2) Put mechanism lock lever inside of main body, pull down printer mechanism.
When paper remains inside of printer, remove this paper.
(3) Removing paper jam
Remove paper jam manually with care. To pull out the paper from printer mechanism,
pull it out carefully at head up condition.
(4) Canceling cutter lock
Remove paper inside of paper cutter and turn ON power. In case cutter blades to home position and
carries out initializing, cutter lock was cleared completely.
In case cutter does not return to home position or occurs some error again, turn OFF power,
turn the knob which locates on left bottom side of auto cutter to the front side as shown in the below,
then return cutter blade manually and remove the paper inside of auto cutter.
(5) After fixing the problem, pull down head up lever and return printer mechanism to its home position.
! Caution : As print head and motor are hot, do not carry out this action right after printing.
This may cause burning from this heat.
For removing the remaining paper, do not touch the surface of print head and motor.
3.8 Self print function
By supplying power as pushing FEED switch or send RESET signal to this printer,
type of characters which is used, ROM version and DIP switch setting etc are automatically printed.
For CBM-291, paper is automatically cut off after this self printing.
3.9 PE and Mechanical alarm
3.9.1 Paper end (PE)
This sensor detects the existence of paper. Printer stops printing when roll paper runs out,
outputs BUSY and PE signal and lights up PAPER lamp.
When new roll paper is set, this signal is canceled and PAPER lamp lights off.
And then, printer starts printing and becomes data waiting status. When any print data is remaining
in print buffer, make sure that printer starts printing the data after new roll paper is set.
3.9.2 Mechanical alarm
This printer stops printing, stops supplying motor and print head with power and outputs BUSY
signal and FAULT (in Parallel interface) signal to host computer, when the motor of printer mechanism is locked
, auto paper cutter is locked, or temperature of print head is getting high.
In this case, turn OFF power supply and clear the problem. To make printer stand-by mode,
turn ON power supply after clearing the problem.
Make sure that the data which is stored in the buffer is to be cleared due to power supply is turned OFF.
Absolutely, do not carry out clearing the problem during power is ON.