Service manual

Note: At the end of the service mode, press the ON/OFF button. The paper lifting plate of the sheet feed unit will be raised.
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<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 COPY button lights in green 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 LED and COPY button light alternately, Alarm in orange and COPY in green, starting
with Alarm LED.)
4) When the COPY button lights in green, press the Stop/Reset button the specified number of time(s) according to the function listed in the
table below. (Each time the Stop/Reset button is pressed, the Alarm LED and COPY button light alternately, Alarm in orange and COPY
in green, starting with Alarm LED.)
Note: - If the Stop/Reset button is pressed 16 or more times, the Alarm LED (orange) or COPY button (green) lights steadily without any
changes.
- At the end of the service mode, press the ON/OFF button. The paper lifting plate of the sheet feeder unit will be raised.
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Destination settings See "Service mode operation procedures"
below.
Initialize EEPROM after the destination settings.
LF correction See "Service mode operation procedures"
below.
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Button and LCD test See "Service mode operation procedures"
below.
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Waste ink amount setting See "Service mode operation procedures"
below.
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Time(s) LED indication Function Remarks
0 times Green (COPY)
Power off
When the print head is not installed, the carriage returns
and locks in the home position capped.
1 time Orange (Alarm)
Service test print
See 3-4. Verification Items, (1) Service test print.
2 times Green (COPY)
EEPROM information print
See 3-4. Verification Items, (2) EEPROM information
print.
3 times Orange (Alarm)
EEPROM initialization
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4 times Green (COPY)
Waste ink counter resetting
5 times Orange (Alarm)
Destination settings
See "Destination settings procedures" below.
6 times Green (COPY)
Print head deep cleaning Cleaning of both black and color
7 times Orange (Alarm)
LF correction See "LF correction procedures" below.
8 times Green (COPY)
CD / DVD check pattern print Not used in servicing
9 times Orange (Alarm) CD / DVD print position
correction (horizontal: X
direction)
Not used in servicing.
10 times Green (COPY) CD / DVD print position
correction (vertical: Y
direction)
Not used in servicing.
11 times Orange (Alarm)
Button and LCD test See "Button and LCD test procedures" below.
12 times Green (COPY)
Return to the menu selection
13 times
Orange (Alarm) Return to the menu selection
14 times Green (COPY)
Left margin correction Not used in servicing.
15 times Orange (Alarm)
Waste ink amount setting See "Waste ink amount setting procedures" below.
16 times or
more
Green at even
numbers (COPY)
Orange at odd
numbers (Alarm)
Return to the menu selection
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