Konica Minolta bizhub C250 Service Manual page 146

Field Service Ver. 3.0 Aug. 2006
[5]
[7]
[7]
[9]
[10]
NOTE
1
• When the Firmware's card Ver. is Ver 81 or later, the following operation must be
performed without fail when replacing the MFP Control Board.
➀
Update the Firmware to the latest version.
➁
Perform the following setting for all the patterns.
[Service Mode] → [Imaging Process Adjustment] → [Gradation Adjust]
See P.310
➂
Perform the following setting.
[Service Mode] → [Security Setting] → [NVRAM Data Backup]
See P.377
➃
When the copy protect pattern is registered, it needs to be reregistered.
[4]
4038F2C079DA
[6]
[8]
4038F2C080DA
[9]
4038F2C081DA
6. Disconnect the Connector [4] and
Flat Cable [5].
7. Remove four Bolts [6] and six
Screws [7], and remove the Interface
cover [8].
8. Remove thirteen Screws [9], and
remove the MFP Control Board [10].
NOTE
• When the MFP Control Board is
replaced, mount the removed
NVRAM to the new MFP Control
Board.
• When the MFP Control Board is
replaced, make sure to update the
firmware.
6. Other
103