Ricoh B286, Service Manual, Page: 19 / 622

SM vii B286/B289
3.9 BOARDS.................................................................................................. 3-54
3.9.1 MCU/IPU/MB .................................................................................. 3-54
3.9.2 PSU/CIRCUIT BREAKER ............................................................... 3-58
3.9.3 CONTROLLER BOARD.................................................................. 3-60
3.9.4 NVRAM ........................................................................................... 3-63
NVRAM Upload .................................................................................. 3-63
NVRAM Download ............................................................................. 3-63
3.9.5 T&S POWER PACK........................................................................ 3-64
3.9.6 RFDB (ROLL FEEDER DRIVE BOARD) ........................................ 3-65
3.9.7 SFDB (SHEET FEED DRIVE BOARD) ........................................... 3-65
3.10 OTHERS ............................................................................................ 3-67
3.10.1 HDD .......................................................................................... 3-67
3.10.2 COOLING FAN, OZONE FILTER.............................................. 3-68
3.11 SP ADJUSTMENTS ........................................................................... 3-70
3.11.1 IMAGE ADJUSTMENT WITH SP CODES ................................ 3-70
Step 1: Magnification for Paper Type: Plain ....................................... 3-70
Step 2: Scanning Magnification .......................................................... 3-71
Step 3: Magnification for Paper Type: Translucent............................. 3-71
Step 4: Magnification for Paper Type: Film ........................................ 3-72
Step 5: Scanner Mask Setting ............................................................ 3-72
Step 6: Erase Margins........................................................................ 3-72
Step 7: Printer: Leading Edge, Side-to-Side Registration................... 3-73
Step 8: Scanner Mask Setting ............................................................ 3-74
Step 9: Erase Margins........................................................................ 3-74
Step 10: Scanner Registration............................................................ 3-75
Step 11: Printer: Cut Length ............................................................... 3-75
Step 12: Synchro Cut (Trailing Edge Registration)............................. 3-76
3.11.2 CIS ADJUSTMENT WITH SP CODES...................................... 3-77
To Print the CIS Adjustment Pattern .................................................. 3-77
To Adjust the Image at the CIS Joints ................................................ 3-78
3.11.3 LPH ADJUSTMENT WITH SP CODES..................................... 3-80
Doing SP Adjustment Settings for a Replacement LPH ..................... 3-80
To Print Pattern IPU Test Pattern 10.................................................. 3-81
Main Scan Adjustment: White, Black Vertical Lines ........................... 3-82
Main Scan Adjustment: LED Light Level at LPH Joints ...................... 3-83
Adjusting LPH Alignment.................................................................... 3-83