vi
4.2.9 APS OUTPUT DISPLAY (SP4-301) ...............................................4-68
4.2.10 DF APS SENSOR OUTPUT DISPLAY (SP6-901)........................4-69
4.2.11 NIP BAND WIDTH MEASUREMENT (SP1-109) ..........................4-70
4.3 PROGRAM DOWNLOAD ........................................................................4-71
4.4 SOFTWARE RESET ...............................................................................4-72
4.5 SYSTEM SETTINGS AND COPY SETTING RESET..............................4-72
4.5.1 SYSTEM SETTING RESET ...........................................................4-72
4.5.2 COPIER SETTING RESET ............................................................4-73
4.6 USER TOOLS .........................................................................................4-74
4.6.1 HOW TO USE UP MODE...............................................................4-74
UP Mode Initial Screen: User Tools/Counter Display..........................4-74
System Settings ..................................................................................4-74
Copier/Document Server Features .....................................................4-75
Printer, Facsimile, Scanner Settings ...................................................4-75
Inquiry .................................................................................................4-75
Counter ...............................................................................................4-76
4.7 LEDS .......................................................................................................4-77
Controller ............................................................................................4-77
SBCU..................................................................................................4-77
IPU......................................................................................................4-77
4.8 DIP SWITCHES.......................................................................................4-77
Controller: DIP SW2 ...........................................................................4-77
SBCU: DIP SW102 .............................................................................4-77
4.9 SPECIAL TOOLS AND LUBRICANTS ....................................................4-78
4.9.1 SPECIAL TOOLS ...........................................................................4-78
4.9.2 LUBRICANTS .................................................................................4-78
5 PREVENTIVE MAINTENANCE SCHEDULE ............................... 5-1
5.1 PM TABLE.................................................................................................5-1
6 REPLACEMENT AND ADJUSTMENT......................................... 6-1
6.1 SCANNER UNIT........................................................................................6-1
6.1.1 EXPOSURE GLASS.........................................................................6-1
6.1.2 SCANNER EXTERIOR/OPERATION PANEL ..................................6-2
6.1.3 LENS BLOCK ASSEMBLY...............................................................6-3
6.1.4 ORIGINAL SIZE SENSORS .............................................................6-4
6.1.5 EXPOSURE LAMP ...........................................................................6-5
6.1.6 SCANNER MOTOR/LAMP STABILIZER..........................................6-6
6.1.7 SCANNER WIRES ...........................................................................6-7
6.2 LASER UNIT ...........................................................................................6-10
6.2.1 CAUTION DECAL LOCATIONS .....................................................6-10
6.2.2 LASER UNIT ..................................................................................6-11
6.2.3 POLYGON MIRROR MOTOR ........................................................6-12
6.2.4 LD UNIT..........................................................................................6-12
6.2.5 LASER SYNCHRONIZATION DETECTOR....................................6-13
6.3 PHOTOCONDUCTOR UNIT (PCU) ........................................................6-14
6.3.1 PCU ................................................................................................6-14
6.4 TRANSFER UNIT....................................................................................6-15
6.4.1 TRANSFER ROLLER UNIT............................................................6-15