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Ricoh Aficio JP4500, DX4542 (product code C249, C264) Service Manual

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Ricoh Aficio JP4500, DX4542 (product code C249, C264) Service Manual
11.9989 MB PDF File

Service Manual Ricoh Aficio JP4500, DX4542;
This manual, Ricoh Aficio JP4500, DX4542, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Ricoh Aficio JP4500, DX4542 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Ricoh Aficio JP4500, DX4542 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

INSTALLATION
1. INSTALLATION
1.1 INSTALLATION REQUIREMENTS
1.1.1 OPTIMUM ENVIRONMENTAL CONDITION
1.1.2 ENVIRONMENTS TO AVOID
1.1.3 POWER CONNECTION
1.1.4 MACHINE ACCESS
1.2 INSTALLATION PROCEDURE
1.2.1 MAIN UNIT
1.2.2 BEFORE BEGINNING MACHINE OPERATION
1.2.3 PLATEN COVER INSTALLATION (OPTION)
1.2.4 ADF INSTALLATION (OPTION)
1.2.5 TAPE MARKER (OPTION)
1.2.6 OPTIONAL DRUMS

PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE
2.1 MAINTENANCE TABLE

REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT
3.1 GENERAL CAUTION
3.2 PRINT KEY / START KEY
3.3 COVERS / BOARDS
3.3.1 FRONT COVER / PANEL
3.3.2 REAR COVERS
3.3.3 MPU
3.3.4 PSU
3.4 SCANNER
3.4.1 EXPOSURE GLASS / SCALES
3.4.2 SBU AND LAMP STABILIZER / SCANNER MOTOR
3.4.3 SCANNER H.P. SENSOR / PLATEN COVER SENSOR
3.4.4 EXPOSURE LAMP (XENON LAMP)
3.4.5 SCANNER WIRES
3.4.6 IMAGE ADJUSTMENT
3.5 MASTER EJECT
3.5.1 MASTER EJECT UNIT
3.6 MASTER FEED
3.6.1 MASTER MAKING UNIT
3.6.2 THERMAL HEAD
3.6.3 DUCT PLATE HP SENSOR / DUCT PLATE MOTOR
3.6.4 CUTTER UNIT
3.6.5 THERMAL HEAD DRIVING UNIT
3.6.6 THERMAL HEAD VOLTAGE ADJUSTMENT
3.6.7 DUCT JAM SENSOR ADJUSTMENT
3.6.8 MASTER EDGE SENSOR ADJUSTMENT
3.6.9 2ND DRUM MASTER SENSOR ADJUSTMENT
3.6.10 MASTER END SENSOR ADJUSTMENT
3.7 PAPER FEED
3.7.1 PICK-UP ROLLER / PAPER FEED ROLLER / FRICTION PAD
3.7.2 PAPER SEPARATION PRESSURE ADJUSTMENT
3.7.3 PAPER WIDTH DETECTION BOARD
3.8 PRINTING
3.8.1 PRESS ROLLER
3.8.2 PRESS ROLLER RELEASE LEVER ADJUSTMENT
3.8.3 PRINTING PRESSURE ADJUSTMENT
3.9 DRUM
3.9.1 PREPARATION
3.9.2 CLOTH SCREEN
3.9.3 CLAMPER / METAL SCREEN
3.9.4 INK PUMP ADJUSTMENT
3.9.5 INK ROLLER UNIT / INK ROLLER ONE-WAY CLUTCH
3.9.6 DOCTOR ROLLER GAP ADJUSTMENT
3.9.7 INK DETECTION ADJUSTMENT
3.9.8 MAIN MOTOR PULLEY POSITION
3.9.9 MAIN DRIVE TIMING BELT ADJUSTMENT
3.9.10 INK IDLING MOTOR /INK IDLING ROLLER HP SENSOR
3.9.11 EXIT PAWL ADJUSTMENT
3.10 PAPER DELIVERY
3.10.1 PAPER DELIVERY UNIT
3.10.2 DELIVERY BELT / PAPER EXIT SENSOR
3.10.3 EXIT PAWL ADJUSTMENT
3.10.4 AIR PUMP ADJUSTMENT
3.11 SPECIAL TOOLS

TROUBLESHOOTING
4. TROUBLESHOOTING
4.1 ERROR CODES
4.2 ELECTRICAL COMPONENT DEFECTS
4.2.1 SENSORS
4.2.2 SWITCHES
4.2.3 LINES
4.3 FUSE, LED, VR, DIP-SW, AND TP TABLES
4.3.1 BLOWN FUSE CONDITIONS
4.3.2 LED�S
4.3.3 VR�S
4.3.4 DIP SWITCHES
4.3.5 TEST POINTS
4.4 OTHERS
4.4.1 PAPER FEED PROBLEMS
4.4.2 PAPER EJECTION ERRORS
4.4.3 MASTER FEED ERRORS
4.4.4 MASTER DELIVERY ERRORS
4.4.5 DRUM ERRORS
4.4.6 POOR IMAGE
4.4.7 OTHERS
4.4.8 USER INSTRUCTIONS

SERVICE TABLES
5. SERVICE TABLES
5.1 USING SERVICE PROGRAM MODES
5.1.1 ACCESSING SP MODES
5.1.2 HOW TO SELECT A PROGRAM NUMBER
5.2 MAIN MENU NO.1: COPY DATA
5.2.1 SP TABLE
5.2.2 SP1-70: MAIN FIRMWARE PARTS NUMBER
5.2.3 SP1-80: ERROR CODE HISTORY
5.3 MAIN MENU NO.2: BASIC SETTINGS
5.3.1 SP TABLE
5.3.2 SP2-7: CHINESE DISPLAY SETTING (CHINA MODEL ONLY)
5.3.3 SP2-32: INK SUPPLY AFTER TRIAL
5.3.4 SP2-33: RE - FEEDING SETTING
5.3.5 SP2-34: SLOW STARTING MODE
5.3.6 SP2-35: PRINTING PRESSURE ADJUSTMENT
5.3.7 SP2-36: INK IDLING ROLLER SETTING
5.3.8 SP2-38: IDLING AFTER PRINT (SP2-28, 29)
5.3.9 SP2-41, 2-42: THERMAL HEAD ENERGY CONTROL
5.3.10 SP2-60: BOLD MODE: LETTER MODE ONLY
5.3.11 SP2-100: MAKE A MASTER WITHOUT PRINTING
5.4 MAIN MENU NO.3: SYSTEM SETTINGS
5.4.1 SP TABLE
5.4.2 SP3-1: INPUT THE PRESENT TIME
5.4.3 SP3-4: INPUT INSTALLATION DATE
5.5 MAIN MENU NO.4: INPUT MODE
5.5.1 SP TABLE
5.6 MAIN MENU NO.5: OUTPUT MODE
5.6.1 SP TABLE
5.7 MAIN MENU NO.6: ADJUSTMENT
5.7.1 SP TABLE
5.7.2 SP6-40: INK DETECTION ADJUSTMENT
5.7.3 IMAGE ADJUSTMENT (SP6-10, -21, -5, -3, AND -1)
5.7.4 SP6-31: SBU CALIBRATION
5.7.5 SP6-32 TO 37: MTF FILTER
5.7.6 SP6-20: REGISTRATION BUCKLE (NOT USED)
5.7.7 SP6-60: MASTER RETURNING VALUE
5.7.8 SP6-64: MASTER PUSHING VALUE (NOT USED)
5.7.9 SP6-100 TO 107: PAPER REGISTRATION - EACH SPEED
5.7.10 SP6-116 TO 123: PAPER MIDDLE BUCKLE (NOT USED)
5.7.11 SP6-124 TO 131: PAPER FRONT BUCKLE (NOT USED)
5.8 MAIN MENU NO.7: MEMORY CLEAR
5.8.1 SP TABLE
5.8.2 SP7-1: FACTORY SETTINGS CLEAR
5.9 MAIN MENU NO.8: SYSTEM TEST
5.9.1 SP TABLE
5.9.2 SP8-1: DOWNLOAD MAIN FIRMWARE
5.9.3 SP8-2: UPLOAD MAIN FIRMWARE
5.9.4 SP8-10: TEST PATTERNS
5.9.5 SP8-21: PAPER FEED TEST (15 RPM)
5.9.6 SP8-22: FREE RUN PAPER FEED (15 RPM)
5.9.7 SP8-18: TEMPORARY SECURITY

DETAILED DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS
6.1 MECHANISM OVERVIEW
6.1.1 COMPONENT LAYOUT
6.1.2 ELECTRICAL COMPONENT LAYOUT
6.1.3 DRIVE LAYOUT
6.2 MASTER EJECT UNIT
6.2.1 OVERVIEW
6.2.2 MASTER CLAMPER OPENING MECHANISM
6.2.3 MASTER EJECT ROLLER MECHANISM
6.2.4 PRESSURE PALTE MECHANISM
6.3 SCANNER UNIT
6.3.1 OVERVIEW
6.3.2 BOARD LAYOUT
6.3.3 AUTO BACKGROUND CORRECTION
6.3.4 MTF FILTER
6.3.5 SMOOTHING FILTER
6.3.6 MAIN SCAN ENLARGEMENT/REDUCTION
6.3.7 BINARY PROCESSING
6.3.8 FINE MODE
6.3.9 THERMAL HEAD
6.4 MASTER FEED
6.4.1 OVERVIEW
6.4.2 AUTO ADJUSTABLE MASTER SET
6.4.3 THERMAL HEAD DRIVING MECHANISM
6.4.4 MASTER BUFFER MECHANISM
6.4.5 DETECTION OF MASTER IN THE LOWER MASTER TRAY
6.4.6 DUCT PLATE MECHANISM
6.4.7 MASTER FEED MECHANISM
6.4.8 CLAMPER AND TENSION ROLLER MECHANISM
6.4.9 MASTER PUSH MYLAR
6.4.10 2ND DRUM MASTER SENSOR
6.4.11 CUTTER MECHANISM
6.4.11 MASTER SET COVER SENSOR
6.4.13 RE-CUTTING MECHANISM
6.5 DRUM
6.5.1 OVERVIEW
6.5.2 DRUM DRIVE MECHANISM
6.5.3 INK SUPPLY MECHANISM
6.5.4 INK ROLLER MECHANISM
6.5.5 INK SUPPLY CONTROL
6.5.6 DRUM IDLING MECHANISM
6.6 PAPER FEED
6.6.1 OVERVIEW
6.6.2 PAPER FEED MECHANISM
6.6.3 PAPER FEED/SEPARATION PRESSURE MECHANISM
6.6.4 REGISTRATION ROLLER MECHANISM
6.6.5 PRINTING PRESSURE MECHANISM
6.6.6 AUTO ADJUTABLE PRINTING PRESSURE MECHANISM
6.6.7 PAPER TABLE MECHANISM
6.7 PAPER DELIVERY
6.7.1 OVERVIEW
6.7.2 PAPER DELIVERY UNIT DRIVE MECHANISM
6.7.3 PAPER SEPARATION FROM THE DRUM
6.7.4 EXIT PAWL DRIVE MECHANISM
6.8 TIMING CHART
6.8.1 MASTR EJECT/MASTER FEED
6.8.2 MASTER WRAPPING
6.8.3 PRINTING
6.9 JAM DETECTION
6.9.1 MASTER EJECT JAM (B JAM LOCATION INDICATOR)
6.9.2 DF JAM (P JAM LOCATION INDICATOR)
6.9.3 MASTER FEED JAM (D JAM LOCATION INDICATOR)
6.9.4 DRUM JAM (B JAM LOCATION INDICATOR)
6.9.5 PAPER FEED JAM (A JAM LOCATION INDICATOR)
6.9.6 PAPER DELIVERY JAM (C JAM LOCATION INDICATOR)

SPECIFICATIONS
SPECIFICATIONS
1. GENERAL SPECIFICATIONS

C264
SEE SECTION C264 FOR DETAILED TABLE OF CONTENTS

DOCUMENT FEEDER C600
SEE SECTION C600 FOR DETAILED TABLE OF CONTENTS

PRINTER SCANNER C624
SEE SECTION C624 FOR DETAILED TABLE OF CONTENTS

Numbers of pages: 488.


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