Service manual
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3.3 Settings
3.3.1 Standalone printer operation
This printer has an offline mode which allows the printer operation without connection to a computer.
With the printer powered ON, press and hold the Resume button until the green indicator flashes the specified
number of times to start each operation, and then release the Resume button to execute the function.
LED flash
Operation Remark
1
2
3
Cleaning
Nozzle check pattern print
Roller cleaning
Set A4 size or larger paper and print
Clean without paper and then clean with paper (A4 or larger)
set
3.3.2 Service mode functions
This printer has a Service mode to set service only settings and output test prints. The Service mode can be
entered using the control panel.
<Service mode operation list>
1) With the printer power OFF, while pressing the Resume button, press the Power button. (Do not release the
power button.)
2) While pressing the Power button, release the Resume button, press the Resume button again twice, and then
release the Resume button and Power button.
3) The green indicator flashes during initialization.
When the indicator stops flashing and remains on, press the Resume button the specified number of times to
select the function.
(The indicator toggles between orange and green each time the Resume button is pressed.)
4) After selecting the function, press the Power button, and the green indicator will light, and the function will
be executed.
<i550/i850 Service Mode>
Count LED Function Remark
0
Green
Power off
When there is no head, the carriage returns to the home
position and locks
1 Orange Service test print
2
Green
EEPROM information print
3
Orange
EEPROM initialization
Destination is set to overseas during EEPROM
initialization
4 Green Clear waste ink counter Clear waste ink counter
5 Orange Destination setting
After selecting a function press the Resume button
(1: Overseas, 2: Domestic)
6 Green Head refreshing Clean both BK/CL ink
7 Orange Not used for service
8 Green Not used for service
9 Orange Not used for service
10 Green Return to selection menu