Canon PIXMA MP950 Service Manual

Also see for PIXMA MP950: Supplementary guide Start here User guide

Contents

Canon PIXMA MP950 Service Manual Manual pdf 13 page image

2-5. Troubleshooting by Symptomscanning unit (printer cover) is opened, the carriage does not move to theink tank replacement position.Protection of excess rise of the printhead temperatureIf the print head temperature does not fall, the error code "5200" isdisplayed, indicating the print head temperature rise error.If the print head temperature exceeds the specified limit, an intermission isinserted during printing.Restrictions on paper The current paper cannot be set. Change the size and type. Re-select the supported paper type and size.Recommendation of the print headalignment (only on arrival of themachine)Head alignment required. Load paper and press [OK].Yes No- Select Yes, and press the OK button.=> Automatic print head alignment is done.- Select No, and press the OK button.=> The procedures on arrival of the machine are finished.USB cable not connected Connect USB cable and turn on the PC. Connect the USB cable.Cancellation of trimminginformationReset trimming effect?Yes NoWhen DVD / CD printing was attempted with the image with trimmingeffects present.- Select Yes, and press the OK button.=> The trimming information is cancelled, and operation performedbefore the message was displayed can be continued.- Select No, and press the OK button.=> The LCD returns to the display immediately before the messagewas displayed.Cancellation of image selectinformationReset the selected photo information?Yes NoWhen one or more images are selected in Multi-photo print or Layoutprint, and if a user tries to display the menu or sub-menu, the message isdisplayed.- Select Yes, and press the OK button.=> The image selection is cancelled, and the menu or sub-menu isdisplayed.- Select No, and press the OK button.=> The LCD returns to the display immediately before the messagewas displayed.Symptom SolutionFaulty operation The power does not turn on.The power turns off immediately after power-on.- Confirm the connection of- the power cord, and- between the logic board and the power supply unit.- Replace the- AC adapter, or- logic board ass'y.A strange noise occurs. - Remove foreign material.- Attach a removed part if any.- Check the operation of the moving parts (such as purge unit, carriage unit, and paperfeeding mechanism)- Replace a faulty part, if any.Nothing is displayed on the LCD. - Confirm the connection between the operation panel, the scanner unit, and the logic board.- Replace the- LCD, or- logic board ass'y.A portion of the LCD is not displayed. - Perform the button and LCD test in the service mode, and confirm that the LCD isdisplayed without any segments missing.- Confirm the connection between the operation panel, the scanner unit, and the logic board.- Replace the- LCD, or- logic board ass'y.Paper feed problems (multi-feeding, skewed feeding, nofeeding)- Examine the inside to confirm that no parts are damaged, and the rollers are clean.- Remove foreign material.- Adjust the paper guide properly.- Confirm the connection of each harness and the logic board.- Replace the- sheet feeder unit,- cassette, or- logic board ass'y.Carriage movement problems (contact to other parts, strangenoise)- Confirm that the timing slit strip film is free from damage or grease.- Clean the timing slit strip film. (Use ethanol + Silbon paper)- Replace the1-8