Part Replacement Procedures; External Housing, Scanner Unit, And Document Cover Removal - Canon PIXMA MX870 Service Manual

MX870 --- 3. REPAIR

3-2. Part Replacement Procedures

Be sure to protect the machine from static electricity in repair servicing, especially for the LCD, operation panel board, scanner
unit, logic board, card board, WLAN board, modular board, and PE sensor board.
Some of the photos below are for the MX860, since its structure is similar to that of the MX870.

(1) External housing, scanner unit, and document cover removal

1) Remove the cassette and the rear guide unit. (no screws)
2) Remove the AC adapter. (1 screw)
<Pull out the AC adapter from the bottom of the bottom case.>
<The core fits to the AC adapter rib.>
See "4-5. Special Notes on Servicing, (7) Power supply unit and modular board
3) Remove the side cover R. (2 screws)
<The scanner unit hinges are fitted in the right and left side covers.>
replacement."
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