Konica Minolta bizhub C25 Service Manual page 29

6. FIRMWARE UPGRADE........................................................................................ 25
6.1 Controller firmware upgrading (for MFPB/1)....................................................... 25
6.1.1 Preparations for firmware upgrading........................................................... 25
6.1.2 Upgrading procedure .................................................................................. 25
6.2 PS/PCL firmware upgrading (for MFPB/2) ......................................................... 28
6.2.1 Preparations for firmware upgrading........................................................... 28
6.3 Engine firmware upgrading ................................................................................ 37
6.3.1 Preparations for firmware upgrading........................................................... 37
6.3.2 Upgrading procedure .................................................................................. 37
7. OTHER MAINTENANCE ITEM............................................................................. 39
7.1 Items not allowed to be disassembled and adjusted .......................................... 39
7.1.1 PH unit ........................................................................................................ 40
7.1.2 Fusing unit .................................................................................................. 40
7.2 Disassembly/reassembly parts list ..................................................................... 41
7.2.1 Cleaning parts list ....................................................................................... 42
7.3 Disassembly/reassembly procedure................................................................... 43
7.3.1 Rear cover .................................................................................................. 43
7.3.2 Left cover .................................................................................................... 43
7.3.3 Rear right cover .......................................................................................... 44
7.3.4 Exit cover .................................................................................................... 44
7.3.5 Front right cover.......................................................................................... 45
7.3.6 Tray2 ........................................................................................................... 46
7.3.7 Tray1 ........................................................................................................... 47
7.3.8 Operation panel .......................................................................................... 48
7.3.9 Upper cover ................................................................................................ 49
7.3.10 FAX board................................................................................................... 50
7.3.11 MFP board /1(MFPB /1)/ MFP board /2(MFPB /2) ..................................... 51
7.3.12 Printer control board (PRCB)...................................................................... 53
7.3.13 DC power supply (DCPU) ........................................................................... 55
7.3.14 High voltage unit (HV1)............................................................................... 57
7.3.15 PH Unit ....................................................................................................... 61
7.3.16 Hard disk kit (HD-P03)................................................................................ 63
7.3.17 CF adapter (MK-725).................................................................................. 65
7.3.18 Dual In-Line Memory Module (DIMM)......................................................... 67
7.3.19 Developing motor (M1) ............................................................................... 68
7.3.20 Main motor (M2) ......................................................................................... 68
7.3.21 Color PC drum motor (M4) ......................................................................... 69
7.3.22 DC power supply fan motor (FM10)............................................................ 70
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Field Service Ver. 1.1 May 2011