Major Unit Replacement - Canon PIXMA MX340 Simplified Service Manual

2. MAJOR UNIT REPLACEMENT

Est. time
Unit required
(min.)
Logic board 15
Scanner unit 20
Carriage unit 40
Cap-Blade unit 30
Recommended removal
procedure
(1) Rear cover unit
(2) NCU cover
(3) PCB cover
(4) Logic board
(1) Rear cover unit
(2) ASF tray unit
(3) Side covers L / R
(4) Bottom cover L
(5) Damper cover unit
(6) Damper rack gear
(7) ADF unit
(8) Scanner unit
(1) Rear cover unit
(2) ASF tray unit
(3) Side covers L / R
(4) Bottom cover L
(5) Damper cover unit
(6) Damper rack gear
(7) ADF unit
(8) Scanner unit
(9) Middle frame
(10) NCU cover
(11) PCB cover
(12) Logic board / NCU board
(13) PE PWB unit
(14) Chassis
(15) Carriage unit
(1) Rear cover unit
(2) ASF tray unit
(3) Side covers L / R
(4) Bottom cover L
(5) Damper cover unit
(6) Damper rack gear
(7) ADF unit
(8) Scanner unit
(9) Middle frame
(10) Cap-Blade F
(11) Blade trigger lever
(12) Cap-Blade unit
(12/37)
Adjustment / settings
- Print the EEPROM
information.
- Set the destination.
- Set the ink absorber
counter value. See 3-1,
"Ink absorber counter
setting."
- Perform print head
alignment.
- Adjust the head-to-paper
distance. See 3-4, (1)
Carriage rail and main
chassis adjustment.
- Perform print head
alignment.
Operation check
- Unified inspection
pattern print or
service test print
- Camera Direct print
- Copying
- Copying
- Unified inspection
pattern print or
service test print
- Unified inspection
pattern print or
service test print