Canon MP970 Service Manual page 33

(6) Service mode
<Service mode operation procedures>
1) With the machine power turned off, while pressing the Stop/Reset button, press and hold the ON/OFF button. (DO NOT release
the buttons). The Power LED lights in blue to indicate that a function is selectable.
2) While holding the ON/OFF button, release the Stop/Reset button. (DO NOT release the ON/OFF button.)
3) While holding the ON/OFF button, press the Stop/Reset button 2 times, and then release both the ON/OFF and Stop/Reset buttons.
(Each time the Stop/Reset button is pressed, the Alarm and Power LEDs light alternately, Alarm in orange and Power in blue,
starting with Alarm LED.)
4) When the Power LED lights in blue (and "Service Mode CANON Idle" is displayed on the LCD), press the Stop/Reset button the
specified number of time(s) according to the function listed in the table below, then press the ON/OFF button. (Each time the
Stop/Reset button is pressed, the Alarm and Power LEDs light alternately, Alarm in orange and Power in blue, starting with
Alarm LED.)
Time(s) LED indication
0 times Blue (Power)
1 time Orange (Alarm)
2 times Blue (Power)
3 times Orange (Alarm)
4 times Blue (Power)
Function
Power off
Service test print
EEPROM information print
EEPROM initialization
Ink absorber counter resetting Set a sheet of A4 or Letter sized plain paper in the rear
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Remarks
When the print head is not installed, the carriage returns
and locks in the home position capped.
Service test print
- Model name
- ROM version
- Ink absorber counter value (ink amount in the ink
absorber)
- USB serial number
- Destination
- EEPROM information
- Ink system function check result
- Barcode (model name + destination)
See 3-4. Verification Items, (1) Service test print,
"Service test print sample."
EEPROM information print
- Model name
- Destination
- ROM version
- Ink absorber counter value (ink amount in the ink
absorber)
- Print information
- Error information, etc.
The following items are NOT initialized, and the
shipment arrival flag is not on:
- USB serial number
- Destination settings
- Record of ink absorber counter resetting and setting
- Record of repair at the production site
- CD / DVD print position correction value
- LF / Eject correction values
- Left margin correction value
- Record of disabling the function to detect the remaining
ink amount
- Ink absorber counter value (ink amount in the ink
absorber)
tray or cassette, and reset the ink absorber counter. After
the ink absorber counter is reset, the counter value is
printed automatically.
See "Ink absorber counter
sample in 3-4. Verification Items, (2) Ink absorber
counter value print.
resetting" below and the print