B125
iv
SM
3.7.9 PRESSURE ROLLER.....................................................................3-59
3.7.10 HOT ROLLER THERMISTOR, THERMOSTATS .........................3-60
3.8 MOTORS.................................................................................................3-61
3.8.1 SCANNER MOTOR........................................................................3-61
3.8.2 DRUM MOTOR ..............................................................................3-62
3.8.3 FUSING MOTOR, MAIN MOTOR ..................................................3-63
3.8.4 USED TONER BOTTLE MOTOR...................................................3-66
3.9 BOARDS .................................................................................................3-67
3.9.1 MCU/IPU ........................................................................................3-67
3.9.2 PSU ................................................................................................3-69
3.9.3 NVRAM...........................................................................................3-70
NVRAM Upload ..................................................................................3-70
NVRAM Removal................................................................................3-71
NVRAM Download ..............................................................................3-71
3.9.4 T&S POWER PACK .......................................................................3-72
3.9.5 RFDB (ROLL FEEDER DRIVE BOARD) ........................................3-73
3.9.6 SFDB (SHEET FEED DRIVE BOARD)...........................................3-74
3.10 OTHER..................................................................................................3-75
3.10.1 HDD REPLACEMENT ..................................................................3-75
3.10.2 COOLING FAN, OZONE FILTER .................................................3-77
3.11 SP ADJUSTMENTS ..............................................................................3-78
3.11.1 IMAGE ADJUSTMENT .................................................................3-78
Step 1: Check the Registration Line Speed ........................................3-78
Step 2: Magnification for Paper Type: Plain........................................3-78
Step 3: Scanning Magnification ..........................................................3-79
Step 4: Magnification for Paper Type: Translucent .............................3-79
Step 5: Magnification for Paper Type: Film .........................................3-79
Step 6: Scanner Mask Setting ............................................................3-80
Step 7: Erase Margins ........................................................................3-80
Step 8: Printer: Leading Edge, Side-to-Side Registration ...................3-80
Step 9: Scanner Mask Setting ............................................................3-81
Step 10: Erase Margins ......................................................................3-81
Step 11: Scanner Registration ............................................................3-81
Step 12: Printer: Cut Length ...............................................................3-82
Step 13: Synchro Cut (Trailing Edge Registration) .............................3-83
3.11.2 CIS................................................................................................3-84
To Print the CIS Adjustment Pattern...................................................3-84
To Adjust the Image at the CIS Joints.................................................3-85
3.11.3 LPH...............................................................................................3-87
Doing SP Adjustment Settings for a Replacement LPH......................3-87
To Print Pattern IPU Test Pattern 51 ..................................................3-87
Main Scan Adjustment: White, Black Vertical Lines............................3-88
Main Scan Adjustment: LED Light Level at LPH Joints.......................3-89
To Adjust the LPH for Misalignment....................................................3-90
3.11.4 LPH DENSITY ..............................................................................3-91
To Print the R-10 Pattern 51 ...............................................................3-91
To Correct Pattern Density .................................................................3-91