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August 7th, 1995
2.2.3. Jam Detection
Cover open
When the cover open/end sensor detects one of those
Paper end
during printing.
Non-Feed
When the printer jam sensor does not turn on after the
paper has been fed for 20 mm since the rx motor
started.
Paper jam
When the printer jam sensor does not switch off just
after printing.
Cutter jam
When the cutter sensor does not turn off within 1.0 s of
the cutter motor starting.
Whne the cutter sensor does not turn on within 1.0 s of
the rotary cutter returning to home position.
The cutter sensor is switched off when the printer
cover is closed.
The cutter sensor is switched off when the machine is
turned on.
Thermal head
The cpu checks the thermal head before printing to
short
see if the thermal head has not been shorted. If there
is no short, the cpu turns the thermal head on.
2.2.4. Thermal Head Pulse Width Control
The CPU checks the temperature on the thermal head using the thermistor in
the thermal head. Then the CPU decides the pulse width of the print signal to
the thermal head.
DETAILED SECTION DESCRIPTIONS
Condition
2-11
PRINTING
Error Code
1-17
1-20
1-21
1-23
1-23
2-40
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