Canon PIXMA iP4000R Service Manual - Page 19

(4) 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 (the bottom case unit or the ink absorbers). The standard amount for waste ink absorber replacement is given in the table below. Waste ink amount*1 Less than 7% Bottom case unit or ink absorber 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, (6) Service mode, for details.] (5) User mode Function Print head manual 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's Maintenance tab. Remarks Print head deep cleaning Paper feed roller cleaning Nozzle check pattern printing Print head alignment - Cleaning black or color separately, or both black and color: Perform from the printer driver's Maintenance tab. See "Standalone printer operation" below. See "Standalone printer operation" below. See "Standalone printer operation" below. Also available from the printer driver's Maintenance tab. In Custom Settings of the printer driver's Maintenance tab, manual print head alignment (by selecting the optimum values) as with the conventional models can be performed. Bottom plate cleaning Print head replacement Perform from the printer driver's Maintenance tab. Cleaning of the platen ribs when the back side of paper gets smeared. 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 LED blinks the specified number of times listed in the table below, and release it. The operation starts. LED blinking Operation 1 time Print head manual cleaning Remarks 2 times 3 times Nozzle check pattern printing Paper feed roller cleaning Set a sheet of plain paper (A4 or letter) in the ASF or the cassette (according to the Paper Feed switch setting). 4 times Automatic print head alignment Set a sheet of plain paper (A4 or letter) in the ASF. 5 times Bottom plate cleaning 6 times or more Unspecified Fold a sheet of plain paper (A4 or letter) in half crosswise, then unfold and set it in the ASF with the folded ridge facing down. 1 - 14