C7350 User’s Guide> 144TROUBLESHOOTINGLCD MESSAGESThe liquid crystal display (LCD) on the control panel indicates theprinter status and if there is a problem with the printer. Statusand error messages are listed below together with an explanationof what each message means:LCD MESSAGE MEANING***** TONER LOW Toner is low (***** indicates colour).***** TONER SENSOR ERROR Error with the toner sensor (*****indicates colour). Call for service.BELT UNIT MISSING Transfer belt unit is missing.CANCELLING JOB Cancelling the current job.CENTRO I/F ERROR Centronics interface error (parallelinterface).CHANGE ***** IMAGE DRUM Change the image drum (***** indicatescolour).CHANGE BELT UNIT Change the transfer belt.CHANGE FUSER UNIT Change the fuser unit.CHANGE PAPER TO ***** Paper must be changed to correct papersize and/or media type (***** indicatessize or media type).CHECK BELT UNIT Check the transfer belt for paper jam,correct installation, etc.CHECK DUPLEX Check the duplex unit for paper jam,correct installation, etc.CHECK FUSER UNIT Check the fuser unit for paper jam, correctinstallation, etc.CHECK IMAGE DRUM Check the image drum for correctinstallation, etc. Colour will be indicated.COLLATE FAIL Collating of multiple copies has failed.COLOUR ADJUSTING Adjusting head so that colours do not shifton to each other.COLOUR BALANCE ADJUST Adjust the colour balance.
