Spur Unit And Platen Unit Removal - Canon PIXMA MX870 Service Manual

(8) Spur unit and platen unit removal

1) Remove the ink sensor and the middle front cover from the front chassis (1 screw each).
2) From the left and right sides of the spur unit, release the springs (2 on the left side, 1 on the right side). Then, slowly
pull the spur unit upward to remove it from the platen unit.
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