Konica Minolta FK-502 Service Manual page 85

4. REPLACEMENT PROCEDURE
4.3.2 Removal of the FK-502 (Extension line) (bizhub C650/C550/C451)
• In order to replace the FK-502, remove the FK-502 (Extension line) in the following order.
NOTE
• Be sure to check to see if the main power switch is turned off.
• The board may be damaged due to static electricity. Be sure to take an appropriate
measure against static electricity before conducting the operations.
1. Turn off the main power switch and the power switch of the main body, and then unplug
the power cord from the power outlet.
2. Remove the Telephone line cable that is connected.
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Field Service Ver. 9.0 Jan. 2010
3. Remove the Fax Multi Line kit.
(1 tabs, 6 screws, PCI board connec-
tor)
4. Remove the cover of Fax Multi Line
kit. (6 screws)