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Minolta Di251 - Service Manual

Minolta Di251
362 pages
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FrameMaker Ver5.5E(PC) COVER [GENERAL] FOR Di251/Di351
05.03.01
Di251 / Di351
SERVICE MANUAL
[GENERAL]
4011-7990-11

Table of Contents

Other manuals for Minolta Di251

Questions and Answers

  • D
    Darren FloresAug 19, 2025
    Why does my Minolta Copier say 'Please add toner'?
    • K
      Kenneth ValenciaAug 19, 2025
      The 'Please add toner' message appears because the toner has run out. Replace the toner bottle to resolve this issue.
  • J
    John HowellAug 21, 2025
    What to do if the message 'Please Replace the toner bottle' appears on my Minolta Copier?
    • S
      samuel25Aug 21, 2025
      If the message 'Please Replace the toner bottle' appears on the display of your Minolta Copier, you should replace the toner bottle.
  • B
    Brian McneilAug 23, 2025
    How to resolve 'Image data has caused memory overflow' on Minolta Copier?
    • B
      Barry SnyderAug 25, 2025
      The message 'Image data has caused memory overflow' on your Minolta Copier indicates that the memory capacity is insufficient. Try creating the copy with different settings. If the message appears frequently, consider increasing the memory capacity.
  • D
    Douglas MullenAug 26, 2025
    How to fix a dirty edge on a Minolta Copier copy?
    • J
      Jessica JacksonAug 26, 2025
      A dirty edge on a copy from your Minolta Copier can be caused by several factors: * The Original Pad may be dirty, in which case you should clean it. * The original may not be placed in the correct position; ensure it is placed correctly on the original glass. * The copy paper size may be larger than the original; select the same copy paper size as the original. * The zoom factor selected may not be correct for the copy paper size; select a suitable zoom factor for the copy paper size.
  • R
    Ronald ReedAug 28, 2025
    What causes bad alignment on Minolta Copier copies?
    • E
      Erica MillerAug 28, 2025
      Bad alignment in copies from your Minolta Copier can occur due to several reasons: * The original is not placed correctly on the original glass. Make sure it is positioned correctly. * The original is not placed correctly in the document feeder. Ensure correct placement. * The original is unsuitable for the document feeder. In this case, place the original on the original glass instead. * The original glass is dirty, especially when using the automatic document feeder. Clean the original glass.
  • D
    Dominic SharpAug 30, 2025
    Why is the image uneven on my Minolta Copier?
    • S
      Samantha WatsonAug 30, 2025
      An uneven image on your Minolta Copier can result from: * A dirty original glass surface. Clean the original glass. * A dirty original pad or document transport belt. Clean these components. * A very thin or highly transparent original. Place a blank sheet of paper over the original. * A 2-sided original. Manually set the exposure to a lighter level.
  • A
    Alex BoydSep 1, 2025
    What to do when Minolta Copier says 'Stapler is empty'?
    • R
      Richard BarrySep 1, 2025
      When your Minolta Copier displays 'Stapler is empty', it means the staples have run out. Replace the staple cartridge to continue using the stapler function.
  • T
    Theresa OnealSep 4, 2025
    What does 'Return the following # of originals to document feeder' mean on Minolta Copier?
    • C
      Chad PughSep 4, 2025
      The message 'Return the following # of originals to document feeder' on your Minolta Copier indicates that the displayed number of originals could not be processed. Place the indicated number of originals back in the automatic document feeder.
  • U
    unelsonSep 6, 2025
    What to do if the Minolta Copier exposure is manually set too light?
    • C
      carriewardSep 6, 2025
      If the exposure level has been manually set too light on your Minolta Copier, manually set the exposure to a darker level.
  • J
    John RandallSep 8, 2025
    What does it mean when my Minolta Copier says 'This mode cannot be selected with the OOO mode'?
    • L
      Lori PerezSep 8, 2025
      The message 'This mode cannot be selected with the OOO mode' on your Minolta Copier means that certain modes cannot be combined. Cancel one of the two functions to proceed.

Summary

General

Safety Information

Details on laser radiation and CDRH regulations for safe operation.

Precautions for Installation

Precautions regarding electrical power supply, outlet capacity, and grounding for safe operation.

Precautions for Use

Specifies the recommended temperature, humidity, and ambient illumination for copier operation.

Specification

Details technical specifications of the copier, including resolution, paper handling, and dimensions.

Mechanical;Electrical

Cross-Sectional View

Illustrates the internal components and layout of the copier's mechanical and optical systems.

Copying Process

Explains the step-by-step process of how a copy is made within the machine.

Drive System

Details the motors and drive mechanisms responsible for moving internal components.

Imaging Cartridge (I;C)

Details how the copier identifies new/used I/C and monitors its life.

Original Size Detecting System

Describes how the copier detects the original size using photo receivers.

Developing Unit

Describes the ATDC sensor's role in detecting toner-to-carrier ratio for control.

Paper Take-Up;Feed Section

Details the paper handling mechanisms from drawers to feed units.

Fusing Unit

Details how the heater lamp maintains preset fusing roller temperature.

Other Units and Mechanisms

Details the I/C cooling, Fusing section cooling, and power supply cooling mechanisms.

Troubleshooting

Malfunction

Lists malfunction codes and their corresponding detection timings for diagnosing issues.

Image Failure Troubleshooting

Guides through initial checks and procedures for resolving image quality issues.

Paper Transport Failure

Explains how the Touch Panel indicates misfeeds, locations, and relevant paper handling.

Size Error

Describes the warning for paper size mismatch between loaded paper and set size.

Minolta Di251 Specifications

General IconGeneral
BrandMinolta
ModelDi251
CategoryPrinter
LanguageEnglish

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