Canon i900D Service Manual page 23

(6) Service mode
Function
Service test print
EEPROM information print
EEPROM initialization
Waste ink counter reset
Destination settings
Print head deep cleaning
Button and LCD viewer test
Note: At the end of the service mode, press the Power button. To protect the media sensor from being
dislocated during transportation, the paper lifting plate of the sheet feeder unit will be raised.
<Service mode operation procedures>
1) With the printer power turned off, while pressing the Resume button, press and hold the Power button.
(Do not release the buttons. The LED lights in green to indicate that a function is selectable.)
2) While holding the Power button, release the Resume button. (Do not release the Power button.)
3) While holding the Power button, press the Resume button 2 times, and then release the Power and
Resume buttons. (Each time the Resume button is pressed, the LED lights alternately in orange and
green, starting with orange.)
4) When the LED lights in green, press the Resume button the specified number of time(s) according to
the function listed in the table below. (Each time the Resume button is pressed, the LED lights
alternately in either orange or green, starting with orange.)
Time(s) LED
0 times Green
1 time Orange
2 times Green
3 times Orange
4 times Green
5 times Orange
6 times Green
7 times Orange
8 times Green
9 times Orange
or more
5) After the function (menu) is selected, press the Power button. The LED lights in green, and the
selected function is performed. (When the operation completes, the printer returns to the menu
selection mode automatically.)
Procedures
See "Service mode operation
procedures" below.
See "Service mode operation
procedures" below.
See "Service mode operation
procedures" below.
See "Service mode operation
procedures" below.
See "Service mode operation
procedures" below.
See "Service mode operation
procedures" below.
Function
Power off
Service test print
EEPROM information print
EEPROM initialization
Waste ink counter resetting
Destination settings
Print head deep cleaning
Media sensor correction
Button and LCD viewer test
Return to the menu selection
Set a sheet of A4- , letter-, or larger-sized paper.
For print sample, see 3.4. Verification Items, (1)
Service test print.
Set a sheet of A4- , letter-, or larger-sized paper.
For print sample,
EEPROM information
The following items are NOT initialized:
- USB serial number
- Destination settings
(The language to be displayed on the LCD
viewer is set to the default setting for each
destination.)
- Waste ink counter
- Media sensor correction value
- CD-R correction value
If the waste ink amount is 7% or more, replace
the bottom case unit, or the ink absorbers.
The language to be displayed on the LCD viewer
is set to the default setting for each destination.
Cleans both black and color.
Check the operations of buttons, and the LCD
viewer display, when the operation panel is
replaced.
When the print head is not installed, the carriage
returns and locks in the home position.
See 3.4. Verification Items, (1) Service test print.
See 3.4. Verification Items, (2) EEPROM information
print.
Proceed to the following step 5), to set the destination.
Proceed to the following steps 5), to correct the media
sensor.
Proceed to the following steps 5), to perform the test.
1 - 17
Remarks
see 3.4. Verification Items, (2)
print.
Remarks