Adjustment / Settings; Service Mode - Canon PIXMA MX340 Simplified Service Manual

3. ADJUSTMENT / SETTINGS

3-1. Service Mode

< Service mode operation procedures >
Use the Service Tool on the connected computer.
1) Start the printer in the service mode.
i. With the printer power turned off, while pressing the Stop button, press and hold the ON
button. (DO NOT release the buttons).
ii. When the Power LED lights in green, while holding the ON button, release the Stop button.
(DO NOT release the ON button.)
iii. While holding the ON button, press the Stop button 5 times, and then release both the ON
and Stop buttons. (Each time the Stop button is pressed, the Alarm and Power LEDs light
alternately, Alarm in orange and Power in green, starting with Alarm LED.)
Without the scanner (connect the operation panel unit.);
While holding the ON button, press the Stop button 6 times, and then release both the
ON and Stop buttons. (Each time the Stop button is pressed, the Alarm and Power
LEDs light alternately, Alarm in orange and Power in green.)
iv. When the Power LED lights in green, the printer is ready for the service mode operation.
The LCD turns in black, and nothing is displayed.
2) Start the Service Tool on the connected computer.
i. When a button is clicked in the Service Tool dialog box, that function is performed. During
operation of the selected function, all the Service Tool buttons are dimmed and inactive.
ii When the operation is completed, "A function was finished." is displayed, and another
function can be selected.
iii If a non-supported function is selected, "Error!" is displayed. Click OK in the error message
dialog box to exit the error.
< Service Tool Functions >
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