Brother DCP-7057 Service Manual page 216

(4) Turn the CIS unit to the direction of the arrow 4a 90° clockwise, and then pull it to the
direction of the arrow 4b slightly. Release the two bosses from the CIS carriage, and
remove the CIS unit to the direction of the arrow 4c.
(5) Disconnect the CIS flat cable from the CIS unit.
CIS unit
Boss
4b
CIS carriage
Document scanner
bottom cover
Assembling Note:
• When assembling the CIS unit, turn the CIS unit 90° clockwise in the same way as
removing.
• Acquire the white level data, and set the CIS scanning area.
(Refer to 1.4.17 Acquisition of white level data (Function code 55) in Chapter
CIS flat cable
4a
CIS carriage
Fig. 3-58
3-72
4c
CIS unit
4b
4b
Boss
5.)
Confidential