Canon PIXMA iP4200 Service Manual - Page 27
when the back side of paper - print head replacement
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(3) Waste ink counter setting When the logic board ass'y is replaced, reset the waste ink counter. In addition, according to the waste ink amount, replace the waste ink absorber (ink absorber kit). The standard amount for waste ink absorber replacement is given in the table below. Waste ink amount*1 Less than 7% Ink absorber kit replacement Not required. 7% or more Required. *1: Check the waste ink amount by service test print or EEPROM information print. [See 3.3. Adjustment / Settings, (5) Service mode, for details.] (4) User mode Function Print head manual cleaning Print head deep cleaning Paper feed roller cleaning Procedures - Cleaning both black and color: See "Standalone printer operation" below. - Cleaning black or color separately, or both black and color: Perform from the printer driver Maintenance tab. - Cleaning black or color separately, or both black and color: Perform from the printer driver Maintenance tab. See "Standalone printer operation" below. Remarks Nozzle check pattern printing See "Standalone printer operation" below. Also available from the printer driver Maintenance tab. Print head alignment See "Standalone printer operation" below. In Custom Settings of the printer driver Maintenance tab, manual print head alignment (by selecting the optimum values) as with the conventional models can be performed. Bottom plate cleaning Perform from the printer driver Maintenance tab. Cleaning of the platen ribs when the back side of paper gets smeared. Print head replacement The print head is replaceable at the same position as for ink tank replacement. (Open the access cover. When the carriage stops at the center, the print head can be replaced.) 1) Turn on the printer. 2) Press and hold the Resume/Cancel button until the Power LED blinks in green the specified number of times listed in the table below, and release it. The operation starts. Power LED blinking Operation 1 time Print head manual cleaning Remarks 2 times Nozzle check pattern printing Set a sheet of plain paper (A4 or letter) in the ASF or the cassette (according to the Paper Feed switch 1-22