Canon BJC-8500 Service Manual

Also see for BJC-8500: User manual

Contents

For details, refer to "BJC-8500 User's Manual."5-31BJC-8500Part 5: Maintenance3. DefectivePrinting <2>Other PrintDefectSymptoms• Spur marksappear.• Corruptedcharacters• Densitydifference• Smearedpaper• Misalignedvertical linesappear.• Dirty paperCauseSpurs have deformed.Print data still remaining.Inappropriate printerdriver settingsRubber scraps attached tothe rubber sleeve of thepick-up roller on the sheetfeeder unit.Non-ejection of inkoptimizerThe dot accuracy positionof ink ejected from theprint head is not adjusted.Printing quality in theprinter driver is low.Long ink optimizer fixingtimeMeasureReplace the spurs.Turn the printer and computer OFF then backON again.Select the printer driver for the BJC-8500.Wipe the pick-up roller's rubber sleeves usinga cotton cloth (e.g. handkerchief) moistenedwith water and firmly wrung. (For details, seeBJC-8500 "User's Manual.")Check ejection in the nozzle check pattern afterexecuting cleaning.If ink optimizer is not ejected, replace the inktank and BJ cartridge.Change the paper setting in the printer driver.Adjust the print head position in the printerdriver. (refer to page 3-6)Set printing quality to higher grade in theprinter driver.Check "Pause Page" in Maintenance on theprinter driver. (refer to page 3-19)