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CBM-290/291 User’s Manual
13
CITIZEN
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.
• Auto paper cutter lock, paper jam.
Turn OFF power supply and clear the problem. To make printer ready for print, turn ON power again after
clearing the problem. In this case, the print data which is remaining inside of print buffer is cleared due to
power supply is turned OFF. Absolutely, do not carry out clearing problem supplying power.
• Head-up condition
Pull down had up lever forward. Print head is pulled down and error signal is cleared, then printer
becomes ready for print.
• Heating up of print head temperature
When temperature of print head is getting high due to continuous printing etc., printer stops printing.
During temperature of print head is high, any operation is not available, keep printer without printing.
As soon as temperature of print head goes low, error signal is canceled automatically and printer
becomesready for print.