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Troubleshooting User guide
72
Parity Error
(Serial I/F)
The setting of Parity of the Host PC
differs from the Parity setting of the
serial interface of the printer.
“?” is printed instead of the received
data until the error is canceled.
` If STOP key is pressed, the error is
canceled and the printer is in offline
(STOP) state.
` Make the Parity settings of Host PC
and printer compatible.
Overrun Error
(Serial I/F)
The data sent by the serial interface
exceed the currently prepared Overrun
Buffer.
“?” is printed instead of the received
data until the error is canceled.
` If STOP key is pressed, the error is
canceled and the printer is in offline
(STOP) state.
` Check the protocol and/or the hand-
shake of the serial connection.
Cover Open
Error
Olivetti emulation: the printer
receives printing data, printing start, bit
image or vertical position change com-
mand while the cover is open.
` When Reset Error Command or
General Reset Command (PR2) is
received, if the cover is closed, the
error is canceled, and it is in a online
state.
` If STOP Key is pressed, if the cover
is closed, the printer is in a offline
(STOP) state, and the error is can-
celed.
Cover Open
Error
Epson/IBM emulation: The cover
open sensor has detected that the
cover is open.
If cover open state is detected while
printing, the print out of data will stop
after the processing of data under edit
is completed. The LCD display will
change to Cover Open after printing
stops.
If paper is at TOF position, printing will
not be performed and the paper will be
ejected.
During cover open state inserted
paper will not be loaded into the
printer.
` If the cover is closed, the printer is
shifted to online state.
` If the cover is opened during other
errors (e.g. Paper Jam Error, Paper
Length Error) occur, the LCD mes-
sage will not be changed. However,
if the cover is closed in that error
state, those errors will be canceled.
Message Condition Corrective action