Ricoh A151 Quick start guide

SERVICE MANUAL
PN: RCFM3213
A151/A152/A202/A203
RICOH GROUP COMPANIES

SERVICE MANUAL
A151/A152/A202/A203
RICOH GROUP COMPANIES
®
®

A151/A152/A202/A203
FIELD SERVICE
MANUAL
PN: RCFM3213

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Corporation and its member companies.
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the benefit of such companies. No such use, or the use of any trade name, or web
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2000 RICOH Corporation. All rights reserved.

The Field Service Manual contains information
regarding service techniques, procedures, processes
and spare parts of office equipment distributed by
Ricoh Corporation. Users of this manual should be
either service trained or certified by successfully
completing a Ricoh Technical Training Program.
Untrained and uncertified users utilizing information
contained in this service manual to repair or modify
Ricoh equipment risk personal injury, damage to
property or loss of warranty protection.
RicohCorporation
WARNING

LEGEND
PRODUCT CODE COMPANY
GESTETNER RICOH SAVIN
A151 2613 FT3013 9013
A152 2613Z FT3213 9013Z
A202 2713 FT3513 9113
A203 2613 FT3713 9013Z
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
*9/94 Original Printing
1 6/96 Reprint
2 4/97 A202/A203 Addition
3 7/98 Reprint

Table of Contents
SECTION 1 OVERALL MACHINE INFORMATION
1. SPECIFICATIONS . . . . . . . . . . . . . . . 1-1
SECTION 2 GUIDE TO COMPONENTS
1. MECHANICAL COMPONENT LAYOUT . . . . . . 2-1
2. ELECTRICAL COMPONENT LAYOUT . . . . . . . 2-2
3. ELECTRICAL COMPONENT DESCRIPTIONS . . . . 2-3
4. DRIVE LAYOUT . . . . . . . . . . . . . . . . 2-6
SECTION 3 INSTALLATION
1. INSTALLATION REQUIREMENTS . . . . . . . . 3-1
1.1 ENVIRONMENT . . . . . . . . . . . . . . . . . . . 3-1
1.2 MACHINE LEVEL . . . . . . . . . . . . . . . . . . 3-1
1.3 MINIMUM SPACE REQUIREMENTS . . . . . . . . . . . 3-2
1.4 POWER REQUIREMENTS . . . . . . . . . . . . . . . 3-2
2. INSTALLATION PROCEDURE . . . . . . . . . . 3-3
2.1 ACCESSORY CHECK . . . . . . . . . . . . . . . . 3-3
2.2 COPIER INSTALLATION PROCEDURE . . . . . . . . 3-4
2.3 KEY COUNTER HOLDER INSTALLATION (OPTION) . . . . 3-10
SECTION 4 SERVICE TABLES
1. SERVICE REMARKS . . . . . . . . . . . . . . 4-1
1.1 GENERAL CAUTION . . . . . . . . . . . . . . . . . 4-1
1.2 DRUM . . . . . . . . . . . . . . . . . . . . . . .4-1
1.3 CHARGE CORONA . . . . . . . . . . . . . . . . . 4-2
1.4 OPTICS . . . . . . . . . . . . . . . . . . . . . .4-3
FSM i A151/A152/A202/A203

1.5 DEVELOPMENT . . . . . . . . . . . . . . . . . . . 4-4
1.6 TONER SUPPLY . . . . . . . . . . . . . . . . . . . 4-4
1.7 TRANSFER AND SEPARATION . . . . . . . . . . . . . 4-5
1.8 CLEANING UNIT . . . . . . . . . . . . . . . . . . . 4-5
1.9 FUSING UNIT . . . . . . . . . . . . . . . . . . . .4-5
1.10 PAPER FEED . . . . . . . . . . . . . . . . . . . 4-6
1.11 DOCUMENT FEEDER . . . . . . . . . . . . . . . . 4-6
1.12 OTHERS . . . . . . . . . . . . . . . . . . . . .4-6
2. SERVICE PROGRAM MODE . . . . . . . . . . . 4-8
2.1 SERVICE PROGRAM MODE OPERATION . . . . . . . . 4-8
2.1.1 Service Program Access Procedure . . . . . . . . . 4-8
2.1.2 Change Adjustment Values or Modes . . . . . . . . 4-9
2.1.3 Memory Clear Procedure . . . . . . . . . . . . . 4-10
2.2 SERVICE PROGRAM MODE TABLE . . . . . . . . . . . 4-13
2.3 SP MODE 8–INPUT CHECK . . . . . . . . . . . . . . 4-21
2.4 SP MODE 9–OUTPUT CHECK . . . . . . . . . . . . . 4-22
2.5 SERVICE CALL AND USER CODE TABLE . . . . . . . . 4-23
3. SERVICE TABLES . . . . . . . . . . . . . . . 4-25
3.1 TEST POINTS . . . . . . . . . . . . . . . . . . . .4-25
3.2 DIP SWITCHES AND JUMPER SWITCHES . . . . . . . . 4-26
3.3 VARIABLE RESISTORS . . . . . . . . . . . . . . . . 4-27
4. SPECIAL TOOLS AND LUBRICANTS . . . . . . . 4-28
5. PREVENTIVE MAINTENANCE SCHEDULE . . . . 4-29
5.1 PM TABLE . . . . . . . . . . . . . . . . . . . . .4-29
5.2 EXPLANATION OF REGULAR PM . . . . . . . . . . . 4-32
5.3 REGULAR PM PROCEDURE . . . . . . . . . . . . . 4-34
6. DEFECTIVE COMPONENT TABLES . . . . . . . 4-36
A151/A152/A202/A203 ii FSM

6.1 DEFECTIVE SENSOR TABLE . . . . . . . . . . . . . 4-36
6.2 DEFECTIVE SWITCHES OR OTHERELECTRICALCOMPONENTS 4-37
6.3 OPEN FUSE & CIRCUIT BREAKER TABLE . . . . . . . . 4-38
SECTION 5 REPLACEMENT & ADJUSTMENT
1. EXTERIOR AND INNER COVERS . . . . . . . . 5-1
1.1 EXTERIOR COVER REMOVAL . . . . . . . . . . . . . 5-1
1.1.1 Front Cover . . . . . . . . . . . . . . . . . . 5-1
1.1.2 Right Cover . . . . . . . . . . . . . . . . . . 5-1
1.1.3 Upper Left Cover . . . . . . . . . . . . . . . . 5-2
1.1.4 Lower Left Cover . . . . . . . . . . . . . . . . 5-2
1.1.5 Upper Rear Cover . . . . . . . . . . . . . . . . 5-2
1.1.6 Lower Rear Cover . . . . . . . . . . . . . . . . 5-2
1.1.7 Upper Cover . . . . . . . . . . . . . . . . . . 5-3
1.2 INNER COVER REMOVAL . . . . . . . . . . . . . . . 5-4
2. OPTICS . . . . . . . . . . . . . . . . . . . 5-5
2.1 EXPOSURE GLASS REMOVAL . . . . . . . . . . . . . 5-5
2.2 1ST MIRROR REMOVAL . . . . . . . . . . . . . . . 5-6
2.3 2ND AND 3RD MIRROR REMOVAL . . . . . . . . . . . 5-8
2.4 4TH AND 5TH MIRROR REPLACEMENT . . . . . . . . . 5-10
2.5 EXPOSURE LAMP REPLACEMENT . . . . . . . . . . . 5-11
2.6 THERMOFUSE REPLACEMENT . . . . . . . . . . . . 5-13
2.7 SCANNER DRIVE WIRE REPLACEMENT . . . . . . . . 5-14
2.7.1 Wire Removal . . . . . . . . . . . . . . . . . 5-14
2.7.2 Wire Installation . . . . . . . . . . . . . . . . . 5-15
2.8 SCANNER MOTOR REPLACEMENT . . . . . . . . . . 5-21
2.9 LENS DRIVE MOTOR REPLACEMENT (FT3213 Copier only) 5-22
2.10 4TH/5TH MIRROR MOTOR REPLACEMENT (FT3213 Copier Only) 5-24
FSM iii A151/A152/A202/A203

3. DEVELOPMENT AND TONER SUPPLY . . . . . . 5-25
3.1 DEVELOPMENT UNIT REMOVAL . . . . . . . . . . . . 5-25
3.2 TONER SUPPLY UNIT REMOVAL . . . . . . . . . . . . 5-26
3.3 DEVELOPER REPLACEMENT . . . . . . . . . . . . . 5-27
3.4 INLET SEAL REMOVAL . . . . . . . . . . . . . . . . 5-28
3.5 TONER SUPPLY CLUTCH REPLACEMENT . . . . . . . . 5-29
3.6 DEVELOPMENT BIAS VOLTAGE ADJUSTMENT (SP9-38) . . 5-30
4. CLEANING . . . . . . . . . . . . . . . . . . 5-31
4.1 CLEANING UNIT REMOVAL . . . . . . . . . . . . . . 5-31
4.2 CLEANING BLADE REPLACEMENT . . . . . . . . . . . 5-32
4.3 USED TONER COLLECTION . . . . . . . . . . . . . 5-33
4.4 ENTRANCE SEAL REPLACEMENT . . . . . . . . . . . 5-34
5. PAPER FEED . . . . . . . . . . . . . . . . . 5-35
5.1 FEED ROLLER REPLACEMENT . . . . . . . . . . . . 5-35
5.2 PAPER TRAY SWITCH REPLACEMENT . . . . . . . . . 5-37
5.3 RELAY SENSOR AND REGISTRATION SENSOR REPLACEMENT 5-38
5.4 RELAY ROLLER CLUTCH, PAPER FEED CLUTCH AND
REGISTRATION CLUTCH REPLACEMENT . . . . . . . . 5-40
6. AROUND THE DRUM . . . . . . . . . . . . . 5-42
6.1 DRUM REPLACEMENT . . . . . . . . . . . . . . . . 5-42
6.2 QUENCHING LAMP REPLACEMENT . . . . . . . . . . 5-44
6.3 ERASE LAMP REPLACEMENT . . . . . . . . . . . . . 5-45
6.4 CHARGE CORONA WIRE REPLACEMENT . . . . . . . . 5-46
6.5 CHARGE CORONA GRID PLATE REPLACEMENT . . . . . 5-47
6.6 TRANSFER/SEPARATION CORONA WIRE REPLACEMENT . 5-48
6.7 ID SENSOR REPLACEMENT . . . . . . . . . . . . . 5-51
6.8 PICK-OFF PAWL REPLACEMENT . . . . . . . . . . . . 5-52
6.9 TRANSFER/SEPARATION POWER PACK REPLACEMENT . 5-53
A151/A152/A202/A203 iv FSM

6.10 CORONACURRENT ADJUSTMENT . . . . . . . . . . 5-55
6.10.1 Charge Corona Current Adjustment (SP9-2) . . . . . 5-57
6.10.2 Grid Voltage Adjustment (SP9-48) . . . . . . . . . 5-59
6.10.3 Transfer Corona Current Adjustment (SP9-5) . . . . . 5-60
6.10.4 Separation Corona Current Adjustment (SP9-6) . . . . 5-61
7. FUSING . . . . . . . . . . . . . . . . . . . 5-62
7.1 EXIT UNIT REMOVAL . . . . . . . . . . . . . . . . . 5-62
7.2 FUSING UNIT REMOVAL . . . . . . . . . . . . . . . 5-63
7.3 HOT ROLLER REPLACEMENT . . . . . . . . . . . . . 5-66
7.4 PRESSURE ROLLER REPLACEMENT . . . . . . . . . . 5-68
7.5 FUSING LAMP REPLACEMENT . . . . . . . . . . . . 5-69
7.6 FUSING THERMOSWITCH REPLACEMENT . . . . . . . 5-70
7.7 FUSING THERMISTOR REPLACEMENT . . . . . . . . . 5-71
7.8 FUSING PRESSURE ADJUSTMENT . . . . . . . . . . . 5-72
8. COPY QUALITY ADJUSTMENT . . . . . . . . . 5-73
8.1 LIGHT INTENSITY ADJUSTMENT . . . . . . . . . . . . 5-74
8.2 SIDE-TO-SIDE EXPOSURE ADJUSTMENT . . . . . . . . 5-75
8.3 IMAGE BIAS VOLTAGE ADJUSTMENT . . . . . . . . . . 5-76
8.4 TONER DENSITY ADJUSTMENT . . . . . . . . . . . . 5-77
8.5 FIXED TONER SUPPLY MODE SELECTION . . . . . . . 5-77
8.6 TONER SUPPLY RATIO SELECTION . . . . . . . . . . 5-77
8.7 ID SENSOR (Vsg) ADJUSTMENT . . . . . . . . . . . . 5-78
8.8 ADS (Auto Image Density Sensor) ADJUSTMENT . . . . . 5-79
8.9 HORIZONTALMAGNIFICATION ADJUSTMENT . . . . . . 5-80
8.10 VERTICALMAGNIFICATION ADJUSTMENT . . . . . . . 5-81
8.11 FOCUS ADJUSTMENT . . . . . . . . . . . . . . . . 5-82
8.12 LEADING EDGE ERASE MARGIN ADJUSTMENT . . . . . 5-83
FSM v A151/A152/A202/A203

8.13 REGISTRATION ADJUSTMENT . . . . . . . . . . . . 5-83
8.14 SIDE-TO-SIDE REGISTRATION ADJUSTMENT . . . . . . 5-84
8.15 4TH/5TH MIRROR HEIGHT ADJUSTMENT . . . . . . . 5-87
9. OTHERS . . . . . . . . . . . . . . . . . . . 5-88
9.1 OZONE FILTER REPLACEMENT . . . . . . . . . . . . 5-88
9.2 220∼230/240V CONVERSION . . . . . . . . . . . . . 5-89
9.3 OPTIONAL EQUIPMENT INSTALLATION . . . . . . . . . 5-90
9.3.1 Optics Anti-condensation Heater Installation . . . . . . 5-90
9.3.2 Drum Anti-condensation Heater Installation . . . . . . 5-91
9.3.3 Pre-transfer Lamp (PTL) Installation . . . . . . . . . 5-92
9.3.4 Optics Cooling Fan Installation (FT3013 Copier Only) . . 5-93
9.4 TORSION BAR FORCE ADJUSTMENT . . . . . . . . . . 5-94
SECTION 6 TROUBLESHOOTING
1. COPY QUALITY . . . . . . . . . . . . . . . . 6-1
1.1 BLANK COPY (WHITE COPY) . . . . . . . . . . . . . 6-1
1.2 DIRTY BACKGROUND . . . . . . . . . . . . . . . . 6-4
1.3 UNEVEN IMAGE DENSITY . . . . . . . . . . . . . . 6-7
1.4 VERTICAL BLACK BANDS . . . . . . . . . . . . . . 6-8
1.5 VERTICAL BLACK LINES . . . . . . . . . . . . . . . 6-9
1.6 VERTICALWHITE LINES OR BANDS—1 (DULL OR BLURRED) 6-10
1.7 VERTICAL WHITE LINES OR BANDS—2 (THIN, DISTINCT) . 6-11
1.8 HORIZONTAL BLACK/WHITE LINES . . . . . . . . . . . 6-12
1.9 JITTER . . . . . . . . . . . . . . . . . . . . . .6-13
1.10 BLACK SPOTS ON THE COPY IMAGE . . . . . . . . . 6-14
1.11 SKEWED (OPTICAL) COPY IMAGE . . . . . . . . . . 6-15
1.12 TONER DENSITY TOO HIGH . . . . . . . . . . . . . 6-16
1.13 TONER DENSITY TOO LOW . . . . . . . . . . . . . 6-18
1.14 TONER SCATTERING . . . . . . . . . . . . . . . . 6-20
A151/A152/A202/A203 vi FSM

1.15 UNFUSED COPY IMAGE . . . . . . . . . . . . . . . 6-21
1.16 PAPER MISFEED . . . . . . . . . . . . . . . . . . 6-22
1.17 TRANSFER FAILURE . . . . . . . . . . . . . . . . 6-23
1.18 DF ORIGINAL MISFEED OR SKEW . . . . . . . . . . 6-24
2. SERVICE CALL CONDITIONS . . . . . . . . . . 6-25
2.1 CODE #11 — EXPOSURE LAMP ERROR . . . . . . . . . 6-25
2.2 CODE #12 — EXPOSURE LAMP ERROR . . . . . . . . 6-27
2.3 CODE #13 — ZERO CROSS SIGNAL ERROR . . . . . . . 6-28
2.4 CODE #21 — SCANNER HOME POSITION ERROR . . . . 6-29
2.5 CODE #22 — SCANNER HOME POSITION ERROR . . . . 6-31
2.6 CODE #28—LENS HOME POSITION ERROR
(FT3213COPIER ONLY) . . . . . . . . . . . . . . . . 6-33
2.7 CODE #29—LENS HOME POSITION ERROR
(FT3213COPIER ONLY) . . . . . . . . . . . . . . . . 6-35
2.8 CODE #2A — 4TH/5TH MIRROR HOME POSITION ERROR
(FT3213 COPIER ONLY) . . . . . . . . . . . . . . . 6-37
2.9 CODE #2B — 4TH/5TH MIRROR HOME POSITION ERROR
(FT3213 COPIER ONLY) . . . . . . . . . . . . . . . 6-39
2.10 CODE #40 – OPTICS THERMISTOR ERROR . . . . . . . 6-41
2.11 CODE #52 — FUSING WARM-UP ERROR . . . . . . . . 6-42
2.12 CODE #53 — FUSING OVERHEAT . . . . . . . . . . . 6-44
2.13 CODE #55 — FUSING THERMISTOR OPEN . . . . . . . 6-45
2.14 CODE #96 — DF TIMING PULSE ERROR . . . . . . . . 6-47
2.15 DF COMMUNICATION ERROR . . . . . . . . . . . . 6-49
2.16 ABNORMAL CONDITION IN TONER DENSITY DETECTION 6-50
2.17 OPTICS OVER HEAT PROTECTION (FT3013 Copier Only) . 6-52
3. ELECTRICAL COMPONENT DEFECTS . . . . . . 6-53
3.1 DEFECTIVE SENSOR TABLE . . . . . . . . . . . . . 6-53
3.2 DEFECTIVE SWITCHES OR OTHER ELECTRICAL
COMPONENTS . . . . . . . . . . . . . . . . . . . 6-54
3.3 OPEN FUSES & CIRCUIT BREAKERS . . . . . . . . . . 6-55
FSM vii A151/A152/A202/A203

SECTION 7 DOCUMENT FEEDER A365
1. SPECIFICATIONS . . . . . . . . . . . . . . . 7-1
2. COMPONENT LAYOUT . . . . . . . . . . . . . 7-2
2.1 MECHANICAL COMPONENTS . . . . . . . . . . . . . 7-2
2.2 ELECTRICAL COMPONENTS . . . . . . . . . . . . . 7-2
3. ELECTRICAL COMPONENT DESCRIPTIONS . . . . 7-3
4. INSTALLATION PROCEDURE . . . . . . . . . . 7-4
5. REPLACEMENT AND ADJUSTMENT . . . . . . . 7-8
5.1 TRANSPORT BELT REPLACEMENT . . . . . . . . . . 7-8
4.2 FEED-IN UNIT REMOVAL . . . . . . . . . . . . . . . 7-10
4.3 PICK-UP ROLLER REPLACEMENT . . . . . . . . . . . 7-11
4.4 FEED ROLLER REPLACEMENT . . . . . . . . . . . . 7-12
4.5 FRICTION BELT REPLACEMENT . . . . . . . . . . . . 7-13
4.6 PICK-UP SOLENOID ADJUSTMENT . . . . . . . . . . . 7-14
SECTION 8 A202/A203 COPIER
MAJOR DIFFERENCES BETWEEN THE A202/A203 AND
A151/A152 COPIERS . . . . . . . . . . . . . . . 1
1. SPECIFICATIONS . . . . . . . . . . . . . . . 8-1
2. COPY PROCESS CONTROL . . . . . . . . . . 8-4
3. MECHANICAL COMPONENT LAYOUT . . . . . . 8-5
4. ELECTRICAL COMPONENT LAYOUT . . . . . . . 8-6
5. ELECTRICAL COMPONENT DESCRIPTIONS . . . . 8-7
6. DRIVE LAYOUT . . . . . . . . . . . . . . . . 8-8
7. POWER DISTRIBUTION . . . . . . . . . . . . 8-10
8. DRUM CHARGE . . . . . . . . . . . . . . . . 8-12
8.1 GRID VOLTAGE CORRECTION . . . . . . . . . . . . . 8-12
A151/A152/A202/A203 viii FSM

8.2 GRID VOLTAGE FOR IMAGE DENSITY CONTROL . . . . . 8-12
8.2.1 Standard Image Density Grid Voltage . . . . . . . . 8-12
8.2.2 Auto Image Density Level Factor (SP34) . . . . . . . 8-12
8.3 GRID VOLTAGE FOR TONER DENSITY DETECTION . . . . 8-13
9. OPTICS . . . . . . . . . . . . . . . . . . . 8-14
9.1 LENS POSITIONING . . . . . . . . . . . . . . . . . 8-14
9.2 BASE LAMP VOLTAGE IN MANUAL IMAGE DENSITY MODE . 8-15
9.3 EXPOSURE LAMP CONTROL CIRCUIT . . . . . . . . . 8-15
10. DEVELOPMENT . . . . . . . . . . . . . . . 8-16
10.1 DEVELOPMENT BIAS CIRCUIT . . . . . . . . . . . . 8-16
11. TONER DENSITY DETECTION AND TONER SUPPLY 8-17
11.1 ID Sensor Control Circuit . . . . . . . . . . . . . . . 8-17
11.2 TONER SUPPLY AND AGITATOR DRIVE MECHANISM . . . 8-18
12. PAPER FEED . . . . . . . . . . . . . . . . 8-19
12.1 PAPER LENGTH DETECTION (Paper Feed Station) . . . . 8-19
13. IMAGE FUSING . . . . . . . . . . . . . . . 8-20
13.1 FUSING LAMP CONTROL CIRCUIT . . . . . . . . . . 8-20
13.2 OVERHEAT PROTECTION . . . . . . . . . . . . . . 8-20
14. INSTALLATION . . . . . . . . . . . . . . . 8-21
14.1 COPIER (A202/A203) ACCESSORY CHECK . . . . . . . 8-21
14.2 COPIER (A202/A203) INSTALLATION PROCEDURE . . . . 8-22
14.3 DOCUMENT FEEDER (A662) ACCESSORY CHECK . . . . 8-28
14.4 DOCUMENT FEEDER (A662) INSTALLATION PROCEDURE 8-29
15. SERVICE PROGRAM MODE . . . . . . . . . . 8-34
15.1 ACCESS PROCEDURE 1-KEY OPERATION . . . . . . . 8-34
15.2 MEMORY CLEAR PROCEDURE . . . . . . . . . . . . 8-35
15.3 CLEAR ALL MEMORY PROCEDURE . . . . . . . . . . 8-36
15.4 SERVICE PROGRAM MODE TABLE . . . . . . . . . . 8-38
15.5 SP MODE 8-INPUT CHECK . . . . . . . . . . . . . . 8-46
15.6 SP MODE 9–OUTPUT CHECK . . . . . . . . . . . . 8-47
FSM ix A151/A152/A202/A203

15.7 SERVICE CALL AND USER CODE TABLE . . . . . . . . 8-48
16. SERVICE TABLES . . . . . . . . . . . . . . 8-50
16.1 TEST POINTS . . . . . . . . . . . . . . . . . . . 8-50
16.2 DIP SWITCHES AND JUMPER SWITCHES . . . . . . . 8-50
16.3 VARIABLE RESISTORS . . . . . . . . . . . . . . . 8-50
17. PREVENTIVE MAINTENANCE SCHEDULE . . . . 8-51
17.1 PM TABLE . . . . . . . . . . . . . . . . . . . . .8-51
18. REPLACEMENT AND ADJUSTMENT . . . . . . 8-52
18.1 TONER SUPPLY MOTOR REPLACEMENT . . . . . . . 8-52
18.2 QUENCHING LAMP REPLACEMENT . . . . . . . . . . 8-53
18.3 CHARGE CORONACURRENT ADJUSTMENT . . . . . . 8-54
18.4 GRID VOLTAGE ADJUSTMENT (SP9-46) . . . . . . . . 8-55
18.5 DEVELOPMENT BIAS VOLTAGE ADJUSTMENT (SP9-38) . 8-56
18.6 TRANSFER CORONACURRENT ADJUSTMENT (SP9-5) . . 8-57
18.7 SEPARATION CORONACURRENT ADJUSTMENT (SP9-6) . 8-58
SECTION 9 DOCUMENT FEEDER A662
1. SPECIFICATIONS . . . . . . . . . . . . . . . 9-1
2. COMPONENT LAYOUT . . . . . . . . . . . . . 9-2
2.1 MECHANICAL COMPONENTS . . . . . . . . . . . . . 9-2
2.2 ELECTRICAL COMPONENTS . . . . . . . . . . . . . 9-2
3. ELECTRICAL COMPONENT DESCRIPTIONS . . . . 9-3
4. POWER DISTRIBUTION . . . . . . . . . . . . 9-4
5. BASIC OPERATION . . . . . . . . . . . . . . 9-5
6. INTERFACE CIRCUIT . . . . . . . . . . . . . 9-6
7. ORIGINAL FEED . . . . . . . . . . . . . . . 9-7
7.1 ORIGINAL PICK-UP MECHANISM . . . . . . . . . . . . 9-7
7.2 ORIGINAL SEPARATION MECHANISM . . . . . . . . . 9-8
A151/A152/A202/A203 x FSM