Konica Minolta Magicolor 4750EN / 4750DN Theory of Operation

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Description

Product Reviews

Q&A

This service manual is the complete guide for the KONICA MINOLTA MAGICOLOR 4750EN / 4750 DN. It contains detailed diagrams, pictures, and comprehensive procedures for diagnosing and repairing your KONICA MINOLTA MAGICOLOR 4750EN / 4750 DN copier. Whether you are a professional mechanic or a DIY enthusiast, this manual provides valuable insights.

The manual is available in PDF format and offers the flexibility to print, zoom, or read any diagram, picture, or page. Each chapter is meticulously detailed and encompasses simulation codes, trouble codes, maintenance procedures, reset procedures, and diagnostic procedures for the KONICA MINOLTA MAGICOLOR 4750EN / 4750 DN photocopier.

The table of contents includes:

  • MAGICOLOR 4750EN/4750DN MAIN BODY
  • OUTLINE
  • SYSTEM CONFIGURATION
  • PRODUCT SPECIFICATIONS
  • SECTION CONFIGURATION
  • MEDIA PATH COMPOSITION/OPERATION
  • OVERALL COMPOSITION
  • CONTROL BLOCK DIAGRAM
  • IMAGE CREATION PROCESS
  • TIMING CHART AT MAIN BODY POWER ON
  • INTERFACE SECTION COMPOSITION
  • WRITE SECTION COMPOSITION
  • OPERATION OVERVIEW
  • LASER EXPOSURE PROCESS
  • LASER EMISSION TIMING
  • LASER EMISSION AREA
  • MAIN SCAN MAGNIFICATION ADJUSTMENT
  • IMAGE PROCESSING
  • TONER SUPPLY SECTION COMPOSITION
  • DRIVE OPERATION
  • TONER COLLECTING PORT SHUTTER MECHANISM
  • TONER REPLENISHING MECHANISM
  • TONER REPLENISHING CONTROL
  • TONER CARTRIDGE DETECTION
  • TONER CONSUMPTION RATE DETECTION
  • TONER LIFE DETECTION
  • TONER NEAR-EMPTY CONDITION DETECTION
  • TONER EMPTY CONDITION DETECTION
  • MONOCHROME PRINTS
  • IMAGING UNIT SECTION (OVERALL COMPOSITION)
  • OPERATION
  • IMAGING UNIT DETECTION
  • IMAGING UNIT CONSUMPTION RATE DETECTION
  • IMAGING UNIT LIFE DETECTION
  • IMAGING UNIT SECTION (PHOTO CONDUCTOR) COMPOSITION
  • DRIVE OPERATION
  • PHOTO CONDUCTOR DRIVE MECHANISM
  • IMAGING UNIT SECTION (CHARGE CORONA) COMPOSITION
  • DRIVE OPERATION
  • CHARGE ROLLER
  • CLEANING ROLLER
  • IMAGING UNIT SECTION (DEVELOPING) COMPOSITION
  • DRIVE OPERATION
  • TONER FLOW
  • DEVELOPING SYSTEM
  • CLEANING MECHANISM
  • TONER COLLECTING PORT SHUTTER MECHANISM
  • IMAGE PROCESSING
  • TRANSFER SECTION (1ST TRANSFER) COMPOSITION
  • DRIVE OPERATION
  • 1ST TRANSFER OUTPUT CONTROL
  • 1ST TRANSFER ROLLER PRESSURE/RETRACTION CONTROL
  • TRANSFER BELT CLEANING MECHANISM
  • 1ST TRANSFER BELT BACKWARD ROTATION CONTROL
  • TONER COLLECTING PORT SHUTTER MECHANISM
  • TRANSFER SECTION (2ND TRANSFER) COMPOSITION
  • DRIVE OPERATION
  • 2ND TRANSFER ROLLER PRESSURE MECHANISM
  • 2ND TRANSFER VOLTAGE CONTROL
  • 2ND TRANSFER VOLTAGE SETTING CONTROL (ATVC: AUTO TRANSFER VOLTAGE CONTROL)
  • 2ND TRANSFER ROLLER CLEANING CONTROL
  • WASTE TONER COLLECTING SECTION COMPOSITION
  • DRIVE OPERATION
  • TONER FLOW AT THE IMAGING UNIT SECTION
  • WASTE TONER FLOW AT TRANSFER BELT UNIT SECTION/2ND TRANSFER SECTION
  • TONER COLLECTING PORT SHUTTER MECHANISM
  • WASTE TONER BOTTLE-IN-POSITION DETECTION MECHANISM
  • WASTE TONER FLOW IN THE WASTE TONER BOTTLE
  • WASTE TONER NEAR-FULL CONDITION DETECTION CONTROL
  • WASTE TONER FULL CONDITION DETECTION CONTROL
  • MEDIA FEED SECTION (TRAY 1) COMPOSITION
  • DRIVE OPERATION
  • MEDIA LIFT PLATE MECHANISM
  • MEDIA SEPARATION MECHANISM
  • MEDIA FEED CONTROL
  • MEDIA EMPTY CONDITION DETECTION CONTROL
  • MEDIA FEED SECTION (TRAY 2) COMPOSITION
  • DRIVE OPERATION
  • MEDIA LIFT PLATE MECHANISM
  • MEDIA SEPARATION MECHANISM
  • MEDIA FEED CONTROL
  • MEDIA EMPTY CONDITION DETECTION CONTROL
  • TRAY OPEN/CLOSE DETECTION CONTROL
  • MEDIA MISFEED DETECTION CONTROL
  • CONVEYANCE SECTION (IDC SENSOR) COMPOSITION
  • DRIVE OPERATION
  • TONER DENSITY DETECTION CONTROL
  • IDC SENSOR CALIBRATION CONTROL
  • IDC SENSOR COVER OPEN/CLOSE MECHANISM
  • IMAGE PROCESSING
  • CONVEYANCE SECTION (REGISTRATION ROLLER) COMPOSITION
  • DRIVE OPERATION
  • CONVEYANCE SPEED CONTROL
  • REGISTRATION ROLLER CONTROL
  • CONTROL OF LOOP FORMED BEFORE REGISTRATION ROLLER
  • MEDIA NEUTRALIZATION
  • MEDIA SIZE ERROR DETECTION CONTROL
  • TEMPERATURE/HUMIDITY SENSOR
  • FUSING SECTION COMPOSITION
  • DRIVE OPERATION
  • FUSING ROLLER DRIVE CONTROL
  • FUSING TEMPERATURE CONTROL
  • PROTECTION FROM ABNORMAL TEMPERATURES
  • FUSING SPEED CONTROL
  • FUSER UNIT NEW ARTICLE DETECTION
  • DUPLEX SECTION (ONLY FOR MAGICOLOR 4750DN) COMPOSITION
  • DRIVE OPERATION
  • MEDIA TRANSPORT CONTROL
  • DUPLEX PRINT CONTROL
  • MEDIA EXIT SECTION COMPOSITION
  • DRIVE OPERATION
  • TRANSPORT CONTROL (MAGICOLOR 4750EN)
  • TRANSPORT CONTROL (MAGICOLOR 4750DN)
  • IMAGE STABILIZATION CONTROL OUTLINE
  • OPERATION SEQUENCE
  • SIMPLIFIED CORRECTION CONTROL
  • COMPLETE CORRECTION CONTROL
  • INDIVIDUAL REGISTRATION CONTROL
  • CONTROL DESCRIPTIONS
  • SIMPLIFIED CORRECTION CONTROL
  • COMPLETE CORRECTION CONTROL
  • INDIVIDUAL REGISTRATION CONTROL
  • EXECUTION TIMING
  • PREDRIVE OPERATION
  • DURING AND AFTER A PRINT CYCLE
  • WHEN THE AIDC MODE IS SELECTED
  • POWER SUPPLY SECTION
  • PARTS ENERGIZED WHEN THE MAIN POWER SWITCH IS TURNED ON
  • CONFIGURATION
  • OPERATION
  • FAN CONTROL
  • CONFIGURATION
  • OPERATION
  • FUNCTION
  • FAN CONTROL

The lower feeder unit section includes:

  • PRODUCT SPECIFICATIONS
  • OVERALL COMPOSITION
  • DRIVE
  • OPERATIONS
  • MEDIA FEED CONTROL
  • MEDIA LIFT PLATE MECHANISM
  • FEED ROLLER/VERTICAL TRANSPORT ROLLER CONTROL
  • MEDIA SEPARATION MECHANISM
  • MEDIA DETECTION MECHANISM
  • MEDIA EMPTY CONDITION DETECTION CONTROL
  • EDGE GUIDE PLATE
  • TRAILING EDGE GUIDE PLATE
  • MEDIA SIZE DETECTION CONTROL
  • MEDIA REFERENCE POSITION ADJUSTMENT MECHANISM
  • MEDIA MISFEED DETECTION CONTROL
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