Ricoh Aficio 1515 Service Manual page 5

3.3 EXTERIOR COVER AND OPERATION PANEL ...................................... 3-3
3.3.1 PLATEN COVER ............................................................................. 3-3
3.3.2 REAR COVER ................................................................................. 3-3
3.3.3 COPY TRAY .................................................................................... 3-4
Reassembling ...................................................................................... 3-4
3.3.4 SCALE PLATE................................................................................. 3-4
3.3.5 OPERATION PANEL AND UPPER COVERS ................................. 3-5
3.3.6 RIGHT DOOR .................................................................................. 3-6
3.3.7 BYPASS TRAY ................................................................................ 3-6
3.3.8 PLATEN COVER SENSOR ............................................................. 3-7
3.4 SCANNER UNIT....................................................................................... 3-8
3.4.1 EXPOSURE GLASS ........................................................................ 3-8
Non-ADF machines.............................................................................. 3-8
ADF-equipped machines...................................................................... 3-8
3.4.2 LENS BLOCK .................................................................................. 3-9
3.4.3 EXPOSURE LAMP, LAMP STABILIZER BOARD ........................... 3-9
3.4.4 SCANNER MOTOR ....................................................................... 3-10
3.4.5 SCANNER HP SENSOR ............................................................... 3-10
3.4.6 SCANNER ALIGNMENT ADJUSTMENT....................................... 3-11
3.5 FUSING .................................................................................................. 3-12
3.5.1 FUSING UNIT ................................................................................ 3-12
3.5.2 EXIT SENSOR............................................................................... 3-12
3.5.3 HOT ROLLER STRIPPER PAWLS................................................ 3-13
3.5.4 HOT ROLLER & FUSING LAMP ................................................... 3-14
3.5.5 THERMO-SWITCH AND THERMISTOR ....................................... 3-15
3.5.6 PRESSURE ROLLER.................................................................... 3-16
3.5.7 ADJUSTING NIP BAND................................................................. 3-17
3.5.8 DUPLEX MOTOR .......................................................................... 3-18
3.5.9 CONTACT-RELEASE SOLENOID ................................................ 3-18
3.6 PCU AND QUENCHING LAMP .............................................................. 3-19
3.6.1 PCU ............................................................................................... 3-19
3.6.2 QUENCHING LAMP ...................................................................... 3-20
3.7 TONER SUPPLY CLUTCH..................................................................... 3-21
3.8 HIGH-VOLTAGE POWER SUPPLY BOARD ......................................... 3-21
3.9 EXHAUST FAN AND MAIN MOTOR ...................................................... 3-22
3.9.1 EXHAUST FAN.............................................................................. 3-22
3.9.2 MAIN MOTOR................................................................................ 3-22
3.10 PAPER FEED ....................................................................................... 3-23
3.10.1 PAPER FEED ROLLER AND FRICTION PAD ............................ 3-23
3.10.2 PAPER END SENSOR ................................................................ 3-23
3.10.3 REGISTRATION SENSOR .......................................................... 3-24
3.10.4 BYPASS PAPER END SENSOR................................................. 3-24
3.10.5 BYPASS FEED ROLLER............................................................. 3-25
3.10.6 BYPASS FEED CLUTCH AND FRICTION PAD.......................... 3-26
3.10.7 PAPER FEED AND REGISTRATION CLUTCHES...................... 3-27
3.11 IMAGE TRANSFER .............................................................................. 3-28
3.11.1 TRANSFER ROLLER .................................................................. 3-28
3.11.2 ID SENSOR AND DUPLEX ROLLER .......................................... 3-28
3.11.3 DISCHARGE PLATE ................................................................... 3-29
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