Canon MP640 - MAINTENANCE; Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by Service Engineer

1. MAINTENANCE
1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables
by Service Engineer
(1) Adjustment
MP640 / MP648 TABLE OF CONTENTS
Adjustment Timing Purpose Tool
Approx.
time
EEPROM
initialization
- At logic board replacement To initialize settings
Service Tool
*2
Perform in the service
mode.
1 min.
Destination
settings
(EEPROM
settings)
- At logic board replacement To set destination.
Service Tool
*2
Perform in the service
mode.
1 min.
Ink absorber
counter resetting
(EEPROM
settings)
- At logic board replacement
- At ink absorber replacement
To reset the ink absorber
counter.
Service Tool
*2
Perform in the service
mode.
1 min.
Ink absorber
counter value
setting
(EEPROM
settings)
- At logic board replacement To set the ink amount data in
the ink absorber to the ink
absorber counter.
Service Tool
*2
Perform in the service
mode.
1 min.
Ink absorber
replacement
- When the ink absorber
becomes full
To replace the ink absorber
with a new one.
Screwdriver, a pair of
tweezers, etc.
15 min.
Paper feed motor
position
adjustment
- At paper feed motor
replacement
To adjust the belt tension.
(Position the paper feed motor
so that the belt is stretched
tight.)
None. 5 min.
CD / DVD
detection sensor
light volume
correction
*1
- At carriage unit replacement
- At logic board replacement
To correct the light volume for
the CD / DVD detection
sensor.
Service Tool
*2
Perform in the service
mode.
5 min.
Automatic print
head alignment
- At print head replacement
- At logic board replacement
- When print quality is not
satisfying
To secure the dot placement
accuracy.
None.
Perform in the user
mode.
5 min.
Manual print head
alignment
10 min.
Grease application - At carriage unit replacement
- At Easy-Scroll Wheel
replacement
To maintain sliding properties
of the carriage rail.
FLOIL KG-107A 1 min.
Ink system
function check
- At logic board replacement
- At spur unit replacement
- At carriage unit replacement
To maintain detection
functionality for presence of
the ink tanks and each ink tank
position.
Service Tool
*2
Perform in the service
mode.
1 min.
LCD language
settings
- At logic board replacement To set the language to be
displayed on the LCD.
None.
Perform in the user
mode.
1 min.
Platen glass
protection sheet
(document
pressure sheet)
- At protection sheet
replacement
- At document bottom cover
replacement
To maintain scanning
accuracy, hold the sheet with
the long side down, then fit its
upper left corner to the platen
None. 1 min.
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