Ricoh LDD280 User manual

LDD280 (C262)/LDD250 (C265)
SERVICE MANUAL
002648MIU (rev. 05/31/06)

C262/C265
SERVICE MANUAL

C262/C265
SERVICE MANUAL
002648MIU

It is the reader's responsibility when discussing the information contained
within this document to maintain a level of confidentiality that is in the best
interest of Ricoh Corporation and its member companies.
NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY
FASHION AND DISTRIBUTED WITHOUT THE PRIOR
PERMISSION OF RICOH CORPORATION.
All product names, domain names or product illustrations, including
desktop images, used in this document are trademarks, registered
trademarks or the property of their respective companies.
They are used throughout this book in an informational or editorial fashion
only and for the benefit of such companies. No such use, or the use of
any trade name, or web site is intended to convey endorsement or other
affiliation with Ricoh products.
©2006 RICOH Corporation. All rights reserved.

The 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.
Ricoh Corporation
WARNING

LEGEND
PRODUCT CODE COMPANY
GESTETNER LANIER RICOH SAVIN
C262 CP6364 LDD280 HQ9000 3590DNP
C265 CP6334 LDD250 HQ7000 3580DNP
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
* 04/2006 Original Printing

SM i C262/C265
C262/C265
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION............................................................................ 1-1
1.1 INSTALLATION REQUIREMENTS ...........................................................1-1
1.1.1 OPTIMUM ENVIRONMENTAL CONDITION....................................1-1
1.1.2 ENVIRONMENTS TO AVOID...........................................................1-1
1.1.3 POWER CONNECTION ...................................................................1-1
1.1.4 ACCESS TO THE MACHINE ...........................................................1-2
1.1.5 POWER SOCKETS FOR PERIPHERALS .......................................1-3
1.2 INSTALLATION PROCEDURE .................................................................1-4
1.2.1 MAIN BODY .....................................................................................1-4
Accessory Check ..................................................................................1-4
Installation Procedure ...........................................................................1-5
Date/Time Setting ...............................................................................1-17
SP Codes Setting ...............................................................................1-17
Changing the operation panel language .............................................1-17
1.2.2 PLATEN COVER (OPTION)...........................................................1-18
Accessory Check ................................................................................1-18
Installation Procedure .........................................................................1-18
1.2.3 ADF (OPTION) ...............................................................................1-19
Accessory Check ................................................................................1-19
Installation Procedure .........................................................................1-20
ADF stabilizer installation....................................................................1-23
1.2.4 ADDITIONAL DRUMS (OPTION)...................................................1-24
1.2.5 EXTENSION HDD TYPE 1 (OPTION)............................................1-28
Accessory Check ................................................................................1-28
Installation Procedure .........................................................................1-28
1.2.6 POSTSCRIPT3 BOARD TYPE 2 (OPTION)...................................1-29
Accessory Check ................................................................................1-29
Inserting DIMMs..................................................................................1-29
Installation Procedure .........................................................................1-30
1.2.7 IEEE 802.11B I/F UNIT TYPE 1 (OPTION) ....................................1-31
Accessory Check ................................................................................1-31
Installation Procedure .........................................................................1-31
1.2.8 IEEE 1284 PARALLEL BOARD TYPE 1 (OPTION) .......................1-32
Accessory Check ................................................................................1-32
Installation Procedure .........................................................................1-32
1.2.9 MEMORY UNIT TYPE C (128MB/256MB) (OPTION) ....................1-33
Accessory Check ................................................................................1-33
Installation Procedure .........................................................................1-33
1.2.10 CONFIGURATION PAGE (EXAMPLE PRINTOUT) .....................1-34

C262/C265 ii SM
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE.................................................... 2-1
2.1 MAINTENANCE TABLE ............................................................................2-1
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1
3.1 GENERAL CAUTION ................................................................................3-1
3.2 COVERS ...................................................................................................3-1
3.2.1 FRONT COVER, INNER COVER, KNOB COVER...........................3-1
3.2.2 LEFT COVER, RIGHT FRONT AND RIGHT REAR COVERS,
REAR COVER..................................................................................3-2
3.2.3 OPERATION PANEL, LEFT SCANNER COVER, REAR UPPER COVER,
RIGHTSCANNERCOVER,LOWERPANELCOVER.................................3-3
3.2.4 EXPOSURE GLASS, SCALES.........................................................3-4
3.3 SCANNER UNIT........................................................................................3-5
3.3.1 SCANNER FRAME, SCANNER HP SENSOR,
PLATEN COVER SENSOR, EXPOSURE LAMP .............................3-5
3.3.2 LENS COVER ..................................................................................3-6
3.3.3 ORIGINAL SIZE SENSORS .............................................................3-7
3.3.4 LAMP STABILIZER, SBU, SCANNER DRIVE MOTOR ...................3-8
3.3.5 SCANNER WIRES .........................................................................3-10
Installation...........................................................................................3-10
3.3.6 SBU (SENSOR BOARD UNIT) CALIBRATION..............................3-12
3.4 COPY IMAGE ADJUSTMENT.................................................................3-13
3.4.1 LEADING EDGE REGISTRATION ADJUSTMENT........................3-13
3.4.2 SIDE-TO-SIDE REGISTRATION ADJUSTMENT...........................3-14
3.4.3 VERTICAL MAGNIFICATION ADJUSTMENT................................3-15
3.5 BOARDS .................................................................................................3-16
3.5.1 ACU AND ECU, PSU OPENING PROCEDURE ............................3-16
3.5.2 ACU, ECU, I/O................................................................................3-17
3.5.3 PSU ................................................................................................3-19
3.5.4 DOUBLE FEED DETECTOR BOARD ............................................3-20
3.5.5 ECU AND I/O REPLACEMENT, NVRAMS.....................................3-21
3.6 MASTER EJECT SECTION ....................................................................3-22
3.6.1 MASTER EJECT BOX....................................................................3-22
3.6.2 MASTER EJECT ROLLER UNIT, MASTER EJECT SENSOR ......3-23
3.6.3 MASTER EJECT DRIVE UNIT, SENSORS AND MOTORS ..........3-24
3.6.4 MASTER EJECT BOX LOCK SOLENOID......................................3-25
3.6.5 MASTER EJECT SENSOR ADJUSTMENT ...................................3-26
3.6.6 REASSEMBLING THE MASTER PICK-UP ROLLER
DRIVE GEARS ...............................................................................3-27
3.7 MASTER FEED SECTION ......................................................................3-28
3.7.1 MASTER MAKING UNIT ................................................................3-28
3.7.2 MASTER SET ROLLER, PLATEN ROLLER,
UPPER TENSION ROLLER ...........................................................3-30

SM iii C262/C265
3.7.3 THERMAL HEAD............................................................................3-32
3.7.4 DUCT ENTRANCE SOLENOID .....................................................3-33
3.7.5 CUTTER UNIT, MASTER FEED CONTROL MOTOR, CLAMP
TENSION ROLLER, UPPER MASTER FEED CONTROL ROLLER........3-34
3.7.6 PLATEN RELEASE SENSOR, PLATEN RELEASE MOTOR ........3-37
3.7.7 MASTER AMOUNT SENSOR ........................................................3-39
3.7.8 MASTER DUCT SENSOR, MASTER SUCTION FANS,
MASTER FEED MOTOR................................................................3-40
3.7.9 MASTER SET SENSOR, MASTER EDGE SENSOR.....................3-42
3.7.10 FLAT CABLE ................................................................................3-43
3.7.11 MASTER END SENSOR ..............................................................3-43
3.7.12 MASTER BUFFER FANS.............................................................3-44
3.7.13 UNIT LOCK SOLENOID, 2ND DRUM MASTER SENSOR ..........3-44
3.7.14 PLATEN RELEASE CAM ADJUSTMENT ....................................3-46
3.7.15 THERMAL HEAD VOLTAGE ADJUSTMENT...............................3-47
3.7.16 MASTER END SENSOR ADJUSTMENT .....................................3-48
3.7.17 MASTER EDGE SENSOR ADJUSTMENT ..................................3-49
3.7.18 MASTER SET SENSOR ADJUSTMENT......................................3-50
3.7.19 THERMAL HEAD ALIGNMENT ADJUSTMENT...........................3-52
3.7.20 MASTER MAKING UNIT PARALLEL ADJUSTMENT ..................3-53
3.7.21 MASTER EDGE TRIMMING PROCEDURE.................................3-55
3.7.22 MASTER FEED MYLAR POSITIONING ......................................3-57
3.8 DRUM SECTION.....................................................................................3-58
3.8.1 DRUM UNIT ...................................................................................3-58
3.8.2 DRUM CLOTH SCREEN................................................................3-58
3.8.3 DRUM MASTER CLAMPER, METAL SCREEN.............................3-61
3.8.4 MOTORS AND SENSORS IN THE DRUM ....................................3-64
3.8.5 INK ID DETECTION/INK FLOW SENSOR CONNECTOR .............3-67
3.8.6 INK ROLLER GAP ADJUSTMENT.................................................3-68
3.8.7 INK DETECTION ADJUSTMENT...................................................3-70
3.8.8 DRUM POSITION ADJUSTMENT..................................................3-72
3.8.9 1ST DRUM MASTER SENSOR ADJUSTMENT ............................3-74
3.8.10 2ND DRUM MASTER SENSOR ADJUSTMENT..........................3-76
3.9 PAPER FEED SECTION.........................................................................3-78
3.9.1 PAPER TABLE UNIT, PAPER FEED ASSEMBLY.........................3-78
3.9.2 PICK-UP ROLLER, PAPER FEED ROLLER..................................3-80
3.9.3 PAPER WIDTH DETECTION BOARD ...........................................3-81
3.9.4 PAPER HEIGHT SENSOR.............................................................3-82
3.9.5 FEED PRESSURE MOTOR, FEED PRESSURE
DETECTION BOARD .....................................................................3-83
3.9.6 REGISTRATION PRESSURE MOTOR, REGISTRATION ROLLER
PRESS SENSOR, REGISTRATION ROLLER RELEASE SENSOR ......3-84
3.9.7 PAPER REGISTRATION SENSOR, PAPER FEED
TIMING SENSOR...........................................................................3-85
3.9.8 UPPER REGISTRATION ROLLER ................................................3-89
3.9.9 FRICTION PADS............................................................................3-90
3.9.10 SEPARATION PRESSURE DETECTION BOARD,
FRICTION PAD SHIFT MOTOR...................................................3-91
3.9.11 SEPARATION PRESSURE MOTOR, FRICTION PAD

C262/C265 iv SM
POSITION SENSORS 1, 2 ...........................................................3-92
3.9.12 LOWER REGISTRATION ROLLER .............................................3-93
3.9.13 REGISTRATION ROLLER LIFTING CAM POSITION
ADJUSTMENT..............................................................................3-94
3.9.14 DOUBLE FEED SENSOR ADJUSTMENT ...................................3-95
3.9.15 TIMING BELT TENSION ADJUSTMENT FOR THE
PAPER FEED MOTOR.................................................................3-96
3.9.16 TIMING BELT TENSION ADJUSTMENT FOR THE
REGISTRATION MOTOR ............................................................3-97
3.9.17 PAPER FEED AND SEPARATION PRESSURE ADJUSTMENT ......3-98
Paper feed pressure adjustment.........................................................3-98
Paper separation pressure adjustment ...............................................3-98
3.9.18 PAPER FEED LENGTH ADJUSTMENT ......................................3-99
Paper Feed Motor Stop Timing Adjustment ........................................3-99
Paper Clamping Timing Adjustment..................................................3-100
3.10 PRINTING SECTION ..........................................................................3-101
3.10.1 PRESSURE CYLINDER, PAPER CLAMPER ............................3-101
Removal procedure...........................................................................3-101
Reinstallation procedure ...................................................................3-104
3.10.2 FEEDENCODER,FEEDSTART SENSOR, FEED ENCODER
HARNESS, FEED ENCODER CLEANING BRUSH...............................3-107
3.10.3 1ST DRUM MASTER SENSOR .................................................3-110
3.10.4 1ST DRUM MASTER SENSOR GUIDE ADJUSTMENT ............3-111
3.10.5 PRINTING PRESSURE HP SENSOR, PRINTING PRESSURE
POSITIONSENSOR,PRESSURECAMSHIFTMOTOR........................3-112
3.10.6 PRINTING PRESSURE ADJUSTMENT.....................................3-113
3.10.7 PRINTING PRESSURE RELEASE ARM GAP ADJUSTMENT .......3-113
3.11 MAIN DRIVE AND IMAGE UP/DOWN SHIFTING DRIVE SECTION..3-114
3.11.1 MAIN MOTOR AND TORQUE LIMITER ....................................3-114
3.11.2 MAIN DRIVE MECHANISM (MAIN DRIVE TIMING BELT) ........3-122
Disassembly Procedure ....................................................................3-122
Reassembly Procedure.....................................................................3-127
Copy Image Check Procedure after Main Drive and Image Up/Down
Shifting Drive Section Re-assembly..................................................3-138
3.11.3 SCISSORS GEAR ......................................................................3-139
3.11.4 PRESSURE CYLINDER ROTATION KNOB ADJUSTMENT .....3-143
3.11.5 SCISSORS GEAR POSITION ADJUSEMENT...........................3-144
3.11.6 IMAGE UP/DOWN SHIFT WORM-GEAR POSITION
ADJUSEMENT ...........................................................................3-144
3.11.7 IMAGE UP/DOWN SHIFT DRIVE UNIT POSITION
ADJUSEMENT ...........................................................................3-145
3.11.8 IMAGE SHIFT GEAR PRESSURE ADJUSEMENT....................3-146
3.12 PAPER DELIVERY SECTION.............................................................3-148
3.12.1 PAPER EXIT PAWL ...................................................................3-148
3.12.2 PAPER DELIVERY UNIT, AIR KNIFE FAN UNIT,
PAPER PICK-OFF PLATE .........................................................3-149
3.12.3 JOB SEPARATOR UNIT, PRINTING PRESSURE CAM
SHIFT UNIT................................................................................3-151
3.12.4 PAPER EXIT SENSOR, TRANSPORT VACUUM FAN,

SM v C262/C265
PAPER EXIT SENSOR ..............................................................3-152
3.12.5 GAP ADJUSTMENT BETWEEN PAPER PICK-OFF
PLATE AND PRESSURE CYLINDER .......................................3-153
3.12.6 PAPER EXIT PAWL DRIVE TIMING ADJUSTMENT .................3-155
3.12.7 GAP ADJUSTMENT BETWEEN EXIT PAWL AND DRUM ........3-156
3.12.8 CHOCKS ....................................................................................3-157
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CODES ...........................................................................4-1
4.2 CLASSIFICATION LIST ............................................................................4-1
4.3 SERVICE CALL CODE TABLE .................................................................4-2
4.4 ELECTRICAL COMPONENT DEFECTS ................................................4-11
4.4.1 SCANNER ......................................................................................4-11
4.4.2 ADF ................................................................................................4-11
4.4.3 MASTER MAKING UNIT ................................................................4-13
4.4.4 DRUM.............................................................................................4-13
4.4.5 MASTER EJECT ............................................................................4-16
4.4.6 PAPER FEED.................................................................................4-17
4.4.7 PRINTING AND PRESSURE CYLINDER ......................................4-18
4.4.8 PAPER EJECT ...............................................................................4-19
4.4.9 PAPER SEPARATION ...................................................................4-20
4.4.10 FUSES ON BOARDS ...................................................................4-20
4.5 DIP SW, LED, VR, TP, AND FUSE TABLES...........................................4-21
4.5.1 TEST POINTS ................................................................................4-21
Ink Detection Board ............................................................................4-21
4.5.2 DIP SWITCHES..............................................................................4-21
Ink Detection Board ............................................................................4-21
ACU ....................................................................................................4-21
4.5.3 POTENTIOMETERS ......................................................................4-22
I/O Board ............................................................................................4-22
Power Supply Board ...........................................................................4-22
Ink Detection Board ............................................................................4-22
4.5.4 LED'S .............................................................................................4-23
MPU....................................................................................................4-23
I/O Board ............................................................................................4-23
ACU ....................................................................................................4-23
Operation Panel..................................................................................4-23
4.5.5 FUSES............................................................................................4-23
Power Supply Unit ..............................................................................4-23
Main Motor Drive Board ......................................................................4-24
I/O Board ............................................................................................4-24
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1

C262/C265 vi SM
5.1 SERVICE REMARKS ................................................................................5-1
5.1.1 SCANNER SECTION .......................................................................5-1
1. Xenon Lamp .......................................................................................5-1
2. Scanner Wire Installation....................................................................5-1
3. Sensor Board Unit (SBU) Calibration..................................................5-1
5.1.2 MASTER EJECT SECTION .............................................................5-1
1. Master Pick-up Roller Drive Gear and Master Clamper Drive
Arm Positions ...................................................................................5-1
5.1.3 MASTER FEED SECTION ...............................................................5-1
1. Thermal Head 1..................................................................................5-1
2. Thermal Head 2..................................................................................5-1
3. Master Vacuum Fan Position..............................................................5-1
4. Master Feed Mylar Positions ..............................................................5-2
5.1.4 PAPER FEED SECTION ..................................................................5-2
1. Paper Pick-up Roller and Paper Feed Roller 1...................................5-2
2. Paper Pick-up Roller and Paper Feed Roller 2...................................5-2
5.1.5 DRUM AND DRUM DRIVE SECTION..............................................5-2
1. Doctor Roller.......................................................................................5-2
2. Drum Master Clamper ........................................................................5-2
3. Ink Roller Unit .....................................................................................5-2
5.1.6 MAIN DRIVE SECTION....................................................................5-3
1. Main Drive Adjustment........................................................................5-3
5.1.7 ELECTRICAL COMPONENTS.........................................................5-3
1. ECU and I/O Boards...........................................................................5-3
2. ACU, ECU, and Power Supply Unit ....................................................5-3
3. Power Supply Unit ..............................................................................5-3
4. Program Update .................................................................................5-3
5. Sensor Adjustments............................................................................5-3
5.2 SPECIAL TOOLS ................................................................................5-4
5.3 TOUCH PANEL POSITION ADJUSTMENT ..............................................5-5
5.4 SERVICE PROGRAM MODE....................................................................5-6
5.4.1 ENABLING AND DISABLING SERVICE PROGRAM MODE ...........5-6
Entering SP Mode.................................................................................5-6
Exiting SP Mode ...................................................................................5-6
5.4.2 TYPES OF SP MODES ....................................................................5-7
SP Mode Button Summary ...................................................................5-8
Selecting the Program Number.............................................................5-9
Exiting Service Mode ............................................................................5-9
5.4.3 SERVICE PROGRAM TABLE ........................................................5-10
1. Data Logging ...................................................................................5-11
2. Basic Settings...................................................................................5-18
3. System Settings................................................................................5-26
4. Input Test Mode................................................................................5-28
5. Output Test Mode.............................................................................5-31
6. System Adjustment...........................................................................5-34
7. Memory Data Clear...........................................................................5-49
8. System Test......................................................................................5-50
5.5 FIRMWARE UPDATE .............................................................................5-52
5.5.1 OVERVIEW ....................................................................................5-52

SM vii C262/C265
5.5.2 PREPARING TO DOWNLOAD FIRMWARE ..................................5-53
5.5.3 DOWNLOADING THE FIRMWARE TO THE MACHINE ................5-54
5.5.4 ERRORS DURING FIRMWARE UPDATE .....................................5-59
5.6 SP MODE SETTINGS AFTER REPLACING AN NVRAM.......................5-60
5.6.1 NVRAM FOR THE ACU .................................................................5-60
5.6.2 NVRAM FOR THE ECU .................................................................5-60
DETAILED SECTION DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS ....................................... 6-1
6.1 MECHANISM OVERVIEW ........................................................................6-1
6.1.1 MAJOR PARTS ................................................................................6-1
6.1.2 ELECTRICAL COMPONENT LAYOUT ............................................6-2
Printed circuit board layout ...................................................................6-2
Scanner Section ...................................................................................6-2
Paper Feed Section ..............................................................................6-3
Drum Unit..............................................................................................6-3
Master Eject, Pressure Cylinder, and Other Sections ...........................6-4
Paper Delivery Section .........................................................................6-4
Master Making Unit ...............................................................................6-5
6.1.3 TABLE OF ELECTRICAL COMPONENTS.......................................6-6
Boards ..................................................................................................6-6
Motors...................................................................................................6-6
Switches ...............................................................................................6-7
Sensors.................................................................................................6-8
Solenoids ............................................................................................6-10
Others .................................................................................................6-10
6.1.4 DRIVE LAYOUT .............................................................................6-11
Overview.............................................................................................6-11
Main Drive...........................................................................................6-12
6.2 SCANNER AND OPTICS ........................................................................6-13
6.2.1 OVERVIEW ....................................................................................6-13
6.2.2 SCANNER DRIVE ..........................................................................6-13
6.2.3 ORIGINAL SIZE DETECTION IN PLATEN MODE.........................6-14
6.2.4 AUTO BACKGROUND CORRECTION ..........................................6-16
6.3 IMAGE PROCESSING ............................................................................6-17
6.3.1 OVERVIEW ....................................................................................6-17
6.3.2 AUTO SHADING ............................................................................6-18
6.3.3 FILTERING.....................................................................................6-19
Types of Filters ...................................................................................6-19
Filters for each Original Type..............................................................6-19
Features of the filters ..........................................................................6-19
6.3.4 MAIN SCAN MAGNIFICATION/REDUCTION ................................6-19
6.3.5 CENTERING ..................................................................................6-20
6.3.6 BINARY PROCESSING .................................................................6-20
6.3.7 ERASE SHADOW ..........................................................................6-20
6.3.8 MEMORY FUNCTION ....................................................................6-21
6.4 THERMAL HEAD ....................................................................................6-22

C262/C265 viii SM
6.4.1 SPECIFICATIONS..........................................................................6-22
Thermal Head Control.........................................................................6-22
Thermal Head Protection ....................................................................6-22
REMARKS FOR HANDLING THE THERMAL HEAD .........................6-23
6.5 MASTER EJECT .....................................................................................6-24
6.5.1 OVERVIEW ....................................................................................6-24
6.5.2 MASTER EJECT MECHANISM .....................................................6-25
Overview.............................................................................................6-25
Drum Lock Mechanism .......................................................................6-26
Master Pick-up Roller Drive and Master Clamper Open .....................6-27
Master Eject and Transportation.........................................................6-28
Master Eject Roller Unit Drive.............................................................6-28
Master Eject Roller Unit Slide-out Mechanism....................................6-29
6.5.3 MASTER EJECT BOX MECHANISM .............................................6-30
6.5.4 MASTER EJECT BOX LOCK MECHANISM ..................................6-32
6.5.5 PRESSURE PLATE DRIVE MECHANISM.....................................6-33
Overview.............................................................................................6-33
Drive ...................................................................................................6-33
Homing Operation...............................................................................6-34
Shift to the Master Eject Position ........................................................6-35
Ejected Master Compression..............................................................6-36
Master Box Full Detection Mechanism................................................6-38
Pressure Plate Operation Timing Charts ............................................6-39
6.6 MASTER FEED .......................................................................................6-41
6.6.1 OVERVIEW ....................................................................................6-41
6.6.2 MASTER SET MECHANISM..........................................................6-42
Master Roll Set ...................................................................................6-42
Master Feed and Stop Control (Edge Detection) ................................6-42
Master End Detection .........................................................................6-44
Master Amount Detection ...................................................................6-45
6.6.3 MASTER MAKING AND FEED MECHANISM................................6-46
Master Feed Mechanism ....................................................................6-46
Platen Roller Pressure Release..........................................................6-47
Master Buffer Mechanism ...................................................................6-48
6.6.4 WRAPPING THE MASTER AROUND THE DRUM........................6-49
Drum Lock and Master Clamper Open ...............................................6-49
Master Feed Control Roller Mechanism..............................................6-50
Master Clamping and Wrapping around the Drum..............................6-51
Cutter Mechanism...............................................................................6-52
Master Buffer Duct Entrance Control ..................................................6-53
Misfed Master Detection .....................................................................6-54
Opening the Door for Misfed Master Removal....................................6-54
6.6.5 MASTER MAKING UNIT SET MECHANISM .................................6-55
Master Making Unit Slide-out Mechanism...........................................6-55
Master Making Unit Lock Mechanism .................................................6-55
6.6.6 MASTER JAM, CUTTER ERROR, AND CLAMP ERROR
DETECTION.............................................................................................6-56
Master set error and misfeed ..............................................................6-56
Master cut error ..................................................................................6-57