Ricoh Aficio 270 - Page 16

A265/A267 vi SM
4.2.17 ID SENSOR ERROR ANALYSIS (SP2-221)................................ 4-80
4.3 USER TOOLS......................................................................................... 4-81
4.3.1 HOW TO ENTER AND EXIT USER TOOLS.................................. 4-81
4.3.2 USER TOOLS TABLE ................................................................... 4-81
System Setting Table......................................................................... 4-81
Copy Setting Table............................................................................. 4-82
4.4 LEDS ...................................................................................................... 4-83
BICU .................................................................................................. 4-83
IOB..................................................................................................... 4-83
4.5 SPECIAL TOOLS AND LUBRICANTS ................................................... 4-83
4.5.1 SPECIAL TOOLS........................................................................... 4-83
4.5.2 LUBRICANTS ................................................................................ 4-83
4.6 ROM HISTORY ...................................................................................... 4-84
4.6.1 ROM HISTORY - BICU.................................................................. 4-84
PREVENTIVE MAINTENANCE
5. PREVENTIVE MAINTENANCE SCHEDULE ................................5-1
5.1 PM TABLE................................................................................................ 5-1
REPLACEMENT AND ADJUSTMENT
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/LAMP STABILIZER ............................ 6-4
6.1.5 EXPOSURE LAMP .......................................................................... 6-5
6.1.6 SCANNER MOTOR......................................................................... 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
6.4.2 IMAGE DENSITY SENSOR........................................................... 6-16
6.5 FUSING/EXIT ......................................................................................... 6-17
6.5.1 FUSING UNIT................................................................................ 6-17
6.5.2 THERMISTOR ............................................................................... 6-17
6.5.3 THERMOFUSE.............................................................................. 6-18
Rev. 04/2000