Cis Unit - Brother FAX 2800 - B/W Laser - Fax Service Manual

4.1.7 CIS Unit

(1) Turn the top cover upside down.
(2) Remove the three screws from the CIS shield plate. The FG wire and feed roller grounding
spring also come off.
(3) Disconnect the CIS harness from the CIS unit.
(4) Turn the top cover rightside up.
(5) Slightly pull up the lock arm, move the CIS unit to the left, and lift up the right edge of the
CIS unit.
(6) Remove the two CIS springs.
Reassembling Notes
• When reinstalling the CIS unit, first insert the left end under the lock arm, put the CIS unit into
the top cover, and move it to the right. After installation, wipe fingerprints or dust off the CIS
surface with a soft cloth.
• When reinstalling the CIS shield plate, secure it to the top cover together with the feed roller
grounding spring and FG wire. The FG wire should be routed as illustrated in Subsection
4.1.26, "Harness routing C."
• Route the CIS harness on the underside of the top cover as illustrated in Subsection 4.1.26,
"Harness routing C."
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