Canon PIXUS 50i Service Manual page 21

<Service mode operation procedures>
1) Close the print head cover, and turn off the printer. While pressing the Resume/Cancel button, press
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/Cancel button. (Do not release the Power
button.)
3) While holding the Power button, press the Resume/Cancel button 3 times, and then release the Power
and Resume/Cancel buttons. (Each time the Resume/Cancel button is pressed, the LED lights
alternately in either orange or green, starting with orange.) During initialization, the LED blinks in
green.
4) When the LED stops blinking and lights in green, press the Resume/Cancel button the specified
number of time(s) according to the function listed in the table below. (Each time the Resume/Cancel
button is pressed, the LED lights alternately in either orange or green, starting with orange.)
Time(s) LED
0 times Green Power off
1 time Orange Service test print
2 times Green EEPROM information print
3 times Orange EEPROM initialization
4 times Green Waste ink counter resetting
5 times Orange Destination settings
6 times Green Not used in servicing
7 times Orange Not used in servicing
8 times Green Return to the menu selection
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.)
To set the destination:
6) Press the Resume/Cancel button the specified number of time(s) according to the destination listed in
the table below, and press the Power button.
Time(s) LED
1 time Orange Overseas:
2 times Green Japan:
(3) Flash ROM upgrade
Follow the procedures below to upgrade the flash ROM.
<Procedures for upgrading the flash ROM>
Upgrade the flash ROM by downloading all data to the printer via the USB interface.
1) Connect the printer to the computer via the USB cable, and connect the universal AC adapter.
Caution: Disconnect all other printers, if connected to the computer.
2) With the print head cover open, while pressing the Resume/Cancel button, press and hold the Power
button. (Do not release the buttons.)
3) When the LED lights in green, release the Power and Resume/Cancel buttons. (The printer is in the
flash ROM data downloading mode.)
Caution: When the i70 printer driver is installed to the computer, the Add New Hardware Wizard
appears, requesting the PIXUS 50i printer driver.
*2
4) Using the USB tool
ROM data is downloaded.
Function
Destination
i70
PIXUS 50i
*3
, send the download file
1 - 16
Remarks
When the print head is not installed, the carriage returns
and locks in the home position.
Both the main and borderless print waste ink counters
are cleared.
Proceed to the following steps 5) and 6), to set the
destination.
*1
Click Cancel at the wizard.
to the printer. The LED blinks in green while the flash