Canon MX7600 Service Manual

Also see for PIXMA MX7600: Supplementary guide Quick start guide Setup instructions Network Setup Guide Setup instructions

Contents

Canon MX7600 Service Manual Manual pdf 16 page image

2-5. Warnings2-6. Troubleshooting by SymptomWarning Message on the LCD SolutionLow ink "!" is indicated for an applicable ink tank icon inthe Status Monitor.No special solution.Since the ink will be used up soon, prepare for anew ink tank.Print head temperatureriseIf the print head temperature does not fall, theprint head error will occur.When the print head temperature falls, the error isautomatically cleared.If the print head error is indicated, repair servicingis required.Protection of excess riseof the print headtemperatureIf the print head temperature does not fall, theprint head error will occur.If the print head temperature exceeds the specifiedlimit, an intermission is inserted during printing.Symptom SolutionFaulty operation The power does not turn on.The power turns off immediately afterpower-on.- Confirm the connection of- the power cord, and- between the logic board and the power supply unit.- Replace the- power supply unit, or- logic board.A strange noise occurs. - Remove foreign material.- Attach a removed part if any.- Check the operation of the moving parts (such as purgeunit, carriage unit, and paper feeding mechanism)- Replace a faulty part, if any.Nothing is displayed on the LCD. - Confirm the connection between the operation panel, theLCD unit, and the logic board.- Replace the- operation panel unit, or- logic board.A portion of the LCD is not displayed.The display flickers.- Perform the button and LCD test in the service mode, andconfirm that the LCD is displayed without any segmentsmissing or flickering.- Confirm the connection between the operation panel, thescanning unit, and the harness.- Replace the- operation panel unit, or- logic board.Paper feed problems (multi-feeding,skewed feeding, no feeding).- Examine the inside to confirm that no parts are damaged,and the rollers are clean.- Remove foreign material.- Adjust the paper guide properly.- Set the paper properly.- Confirm the following:- selected paper source- attachment of the rear cover- connection of each harness and the logic board- sheet feeder unit operation- Replace the- sheet feeder unit,- cassette unit, or- logic board.Carriage movement problems (contactto other parts, strange noise).- Confirm that the carriage timing slit strip film is free fromdamage or grease.14 / 65