Troubleshooting User guide72Parity Error(Serial I/F)The setting of Parity of the Host PCdiffers from the Parity setting of theserial interface of the printer.“?” is printed instead of the receiveddata until the error is canceled.` If STOP key is pressed, the error iscanceled and the printer is in offline(STOP) state.` Make the Parity settings of Host PCand printer compatible.Overrun Error(Serial I/F)The data sent by the serial interfaceexceed the currently prepared OverrunBuffer.“?” is printed instead of the receiveddata until the error is canceled.` If STOP key is pressed, the error iscanceled and the printer is in offline(STOP) state.` Check the protocol and/or the hand-shake of the serial connection.Cover OpenErrorOlivetti emulation: the printerreceives printing data, printing start, bitimage or vertical position change com-mand while the cover is open.` When Reset Error Command orGeneral Reset Command (PR2) isreceived, if the cover is closed, theerror is canceled, and it is in a onlinestate.` If STOP Key is pressed, if the coveris closed, the printer is in a offline(STOP) state, and the error is can-celed.Cover OpenErrorEpson/IBM emulation: The coveropen sensor has detected that thecover is open.If cover open state is detected whileprinting, the print out of data will stopafter the processing of data under editis completed. The LCD display willchange to Cover Open after printingstops.If paper is at TOF position, printing willnot be performed and the paper will beejected.During cover open state insertedpaper will not be loaded into theprinter.` If the cover is closed, the printer isshifted to online state.` If the cover is opened during othererrors (e.g. Paper Jam Error, PaperLength Error) occur, the LCD mes-sage will not be changed. However,if the cover is closed in that errorstate, those errors will be canceled.Message Condition Corrective action
