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SM xiii
B286/B289
Pressure Roller Temperature Feedback ............................................ 6-76
Fusing Temperature Control: Inching ................................................. 6-79
Fusing Temperature Control: CPM Down .......................................... 6-79
6.9.6
HOT ROLLER CLEANING.............................................................. 6-80
6.9.7
FUSING UNIT DRIVE MECHANISM .............................................. 6-81
6.9.8
WRINKLE PREVENTION ............................................................... 6-82
Motor Speed Control .......................................................................... 6-82
Inching Control ................................................................................... 6-82
6.10
PAPER EXIT ...................................................................................... 6-83
6.10.1
OVERVIEW ............................................................................... 6-83
Upper Exit........................................................................................... 6-83
Rear Exit............................................................................................. 6-84
Jam Detection .................................................................................... 6-84
6.10.2
SWITCHING THE PAPER EXIT................................................ 6-84
Upper Exit........................................................................................... 6-84
Rear Exit............................................................................................. 6-85
6.10.3
PAPER EXIT DRIVE ................................................................. 6-86
6.11
ELECTRICAL COMPONENTS........................................................... 6-87
6.11.1
OVERVIEW ............................................................................... 6-87
Overall System ................................................................................... 6-87
IPU Board Details............................................................................... 6-89
6.11.2
DESCRIPTION OF ELECTRICAL COMPONENTS .................. 6-90
6.11.3
MCU, IPU ................................................................................ 6-100
MCU (Main Control Unit) .................................................................. 6-100
IPU (Image Processing Unit) ............................................................ 6-101
6.11.4
PSU......................................................................................... 6-101
6.11.5
SMDB, VDB, SIB..................................................................... 6-102
SMDB (Scanner Motor Drive Board) ................................................ 6-102
VDB (Video Drive Board) ................................................................. 6-102
SIB (Scanner Interface Board) ......................................................... 6-102
CIS I/F (1 to 5).................................................................................. 6-102
6.11.6
RFDB, SFDB ........................................................................... 6-103
RFDB (Roll Feed Drive Board) ......................................................... 6-103
SFDB (Sheet Feed Drive Board) ...................................................... 6-103
6.11.7
GW CONTROLLER BOARD ................................................... 6-104
Summary of Contents for B286
Page 1: ...B286 B289 SERVICE MANUAL 003165MIU...
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Page 3: ...B286 B289 SERVICE MANUAL...
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Page 5: ...B286 B289 SERVICE MANUAL 003165MIU...
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Page 35: ...INSTALLATION...
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Page 117: ...PREVENTIVE MAINTENANCE...
Page 118: ......
Page 127: ...REPLACEMENT AND ADJUSTMENT...
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Page 186: ...Boards B286 B289 3 58 SM 9 Remove the shield cover A x12 10 Remove A MCU x4 x1 B IPU x4...
Page 198: ...Others B286 B289 3 70 SM 4 Remove the cooling fan D x 1 x 3...
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Page 217: ...TROUBLESHOOTING...
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Page 269: ...SERVICE TABLES...
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Page 507: ...DETAILS...
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Page 511: ...Overview SM 6 3 B286 B289 Details 6 1 2 MECHANICAL COMPONENT LAYOUT...
Page 526: ...Image Processing B286 B289 6 18 SM Text Mode...
Page 529: ...Image Processing SM 6 21 B286 B289 Details Patched Original Mode...
Page 530: ...Image Processing B286 B289 6 22 SM Generation Mode...
Page 552: ...Development B286 B289 6 44 SM Toner End Recovery Flow Chart...
Page 613: ...SPECIFICATIONS...
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