Canon iP4500 - PIXMA Color Inkjet Printer, Simplified Service Manual

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5) Press the Power button to set the selected value to the EEPROM. Print EEPROM information to
confirm that the value is properly set to the EEPROM.
<LF / Eject correction>
After replacement of the LF / Eject roller, logic board, or platen unit in repair servicing or in
refurbishment operation, perform the same level of adjustment as the one performed in the production
site. In the production site, the correction method that the scanner automatically reads the printing
pattern in order to enhance the correction accuracy (E-MIP correction) is used, however, in the service
mode, perform the same LF / Eject correction as the one performed for the 2006 products.
Details: Print the LF / Eject correction pattern on a sheet of paper. Select the Pattern No. (0 to 2) in
which streaks or lines are the least noticeable, press the Resume/Cancel button the same
number of time(s) as the selected Pattern No., then press the Power button. (See the
flowchart below.)
1) In the LF /Eject correction mode, press the Resume/Cancel button the specified number of time(s)
according to the paper to be used in LF / Eject correction listed in the table below, then press the
Resume/Cancel button. (Set a sheet of selected paper in the rear tray.)
Time(s) (L) Paper
1 time HR-101
2 times GF-500, Office Planner
3 times HP BrightWhite
4 times Canon Extra, STEINBEIS
Note: - Each time the Resume/Cancel button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green.
- If the Resume/Cancel button is NOT pressed, and only the Power button is pressed, the
printer remains in the LF / Eject correction mode.
- If the Resume/Cancel button is pressed 5 times or more, then the Power button is
pressed, the printer returns to the service mode menu selection.
2) The LF / Eject correction pattern for the selected paper is printed. (LF correction values from 0 to 2
on the right, Eject correction values from 0 to 2 on the left).