DETAILED DESCRIPTIONS Ricoh MP C2004 C2504 Service Manual

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Guidance for Those Who are Familiar with Predecessor Products ‌‌‌

Detailed Descriptions

Detailed Descriptions

Detailed Descriptions

7. DETAILED DESCRIPTIONS

7.1 GUIDANCE FOR THOSE WHO ARE FAMILIAR WITH PREDECESSOR PRODUCTS

7.1.1 CHANGES FROM THE PREVIOUS MACHINE

Scanner

Items

MP C2003/C2503

/C2011

MP C6004/C5504/C4504

/C3504/C3004

MP C2004/C2504

Scanner type

-

Short focus scanner

For distortion correction: After replacing the scanner carriage, the correction value specified on the supplied sheet in the SP code must be entered. For details, see page 4-37 "Scanner Carriage".

Scanner carriage storage upon shipping

None

The scanner carriage must be moved to the lock position to lock the carriage to the scanner frame before shipping.

Main scanning magnification adjustment

Not available

Magnification adjustment is available for the main scanning direction with SP4-871-003,

-004.

GUIDANCE FOR THOSE WHO ARE FAMILIAR WITH PREDECESSOR PRODUCTS CHANGES FROM THE PREVIOUS MACHINE Scanner Image Processing Process Control Laser Exposure PCDU (Photo Conductor and Development Unit)Waste Toner Image Transfer and Paper Transfer Feed / Transport Part Fusing Electrical Parts Exterior Cover / Air Flows (Fan Control)Drive Parts Others COMPONENT LAYOUT SCANNER UNIT LASER EXPOSURE UNIT IMAGE TRANSFER UNIT PCDU TONER SUPPLY / WASTE TONER BOTTLE PAPER FEED UNIT DUPLEX UNIT BYPASS UNIT FUSING UNIT PAPER TRANSFER / PAPER EXIT AIR FLOW DRIVE UNIT BOARD / SWITCH SCANNING OVERVIEW Reading System Scanner MECHANISM Scanner Drive Operation Flowchart Scanner Carriage Storage Control Document Size Detection Improved Tolerance to Black Lines When Paper Passes through ARDF/SPDF Difference between Non-contact Transport and Contact Transport in DF Scanning Anti-Condensation Heater IMAGE PROCESSING MECHANISM SBU IPU LASER EXPOSURE OVERVIEW Parts Construction MECHANISM LD Drive Board LD Safety Switch Circuit Diagram Line Scanning Mechanism PROCESS CONTROL MECHANISM Sensor Construction Outline of the ID Sensors Outline of the TD sensor PROCESS CONTROL Outline Result Code for Executing Process Control The Process Control Procedure Electrified Potential / Development Bias, Vref Correction LD Power Control Toner Supply Control Developer Initial Setting MUSIC (AUTOMATIC COLOR REGISTRATION CORRECTION)Correction Timing Executing MUSIC Manually [Color Registration] in User Tools (SP2-111-004)MUSIC Error Judgment REAL TIME PROCESS CONTROL IBACC Outline Operation Timing Patch Pattern SP Descriptions PCDU (PHOTO CONDUCTOR AND DEVELOPMENT UNIT)OVERVIEW MECHANISM (PCU)Drum Drive Charge Drum Cleaning MECHANISM (DEVELOPMENT)Development System Agitation System TD Sensor Pressure Release Filter Development Drive Development Bias TONER SUPPLY OVERVIEW MECHANISM Toner Supply (Toner Cartridge - Sub-hopper)Toner Bottle ID Chip Toner Supply (Sub-hopper - Development Unit)Drive Toner Near End/ Toner End Detection SP Descriptions WASTE TONER OVERVIEW MECHANISM Waste Toner Bottle Set Detection Waste Toner Drive Waste Toner Recovery Path (PCU/Image Transfer Unit)Waste Toner Bottle Full Detection Waste Toner Cover IMAGE TRANSFER AND PAPER TRANSFER OVERVIEW Image Transfer Unit Paper Transfer Unit IMAGE TRANSFER UNIT MECHANISM Drive Mechanism Transfer Bias ITB Contact and Release Image Transfer Belt Drive Control Image Transfer Flow IMAGE TRANSFER BELT CLEANING MECHANISM PAPER TRANSFER UNIT MECHANISM Paper Transfer Mechanism PTR (Paper Transfer Roller) Drive PTR (Paper Transfer Roller) Contact and Separation Separation TM/ID Sensor PAPER FEED/ TRANSPORT SECTION OVERVIEW PAPER FEED/ TRANSPORT PART Tray Base Plate Lift Paper Feed Mechanism Paper Feed Transport Mechanism Paper Size Detection (1st Paper Supply Tray)Paper Size Detection (2nd Paper Supply Tray)Remaining Paper Detection Paper End Detection Paper Supply Drive Paper Dust Removal Mechanism BYPASS FEED SECTION Bypass Feed Paper/ Separation Mechanism Bypass Feed Paper Size Detection Bypass Feed Paper End Detection Bypass Paper Feeder Drive DUPLEX SECTION Transport Inversion Mechanism Duplex Drive Interleave Mechanism PAPER EXIT UNIT Delivery Location Change-over Paper Exit Full/ Paper Exit Jam Detection DRIVE/SENSOR LAYOUT Transport Roller Drive Source Gate/Pick-up Arm Drive Source Inter-Roller Transport Path Sensor Position Paper Exit Driven Roller and Paper Support Guide Removing Wrinkling in the Tray FUSING OVERVIEW MECHANISM Fusing System Fusing Drive Pressure Release Mechanism Fusing Temperature Control CPM Down Control Curl Correction Mechanism ELECTRICAL PARTS BLOCK DIAGRAM BOARD OUTLINE Controller SBU LDB BCU IPU MSENS1 (Proximity Sensor (Human Detection Sensor), MSENS2 (Proximity Sensor (Human Detection Sensor) Board)IOB FCU OPU HVP (Composite High-Voltage Power Supply TTS/CB)PSU ANTI-CONDENSATION HEATER FOR SCANNER, PCDU, AND PAPER FEED TRAY Circuit Configuration EXTERIOR COVER/ AIR FLOWS (FAN CONTROL)OVERVIEW MECHANISM Cooling of PSU Cooling of Toner Supply Parts Cooling of PCDU parts Cooling of Fusing Parts Cooling in Controller Box Crisis Management When Temperature Rises in the Machine Helmholtz Silencer ENERGY SAVE ENERGY SAVER MODES Setting Items that are Related to Energy Saving Recovery Time/ Reduced Electrical Consumption POWER STATES OF THIS MACHINE Device state for each Energy Saving state VERIFICATION OF UP TIME FOR EACH ENERGY SAVING STATE CHECKING THE UP TIME BY DEVICE STATE RECOMMENDATION PROXIMITY SENSOR (HUMAN DETECTION SENSOR)OVERVIEW SENSOR OPERATION OPERATION MODES USER TOOL RELATED SC CODES RELATED SP CODE

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