Minolta Magicolor 3100 Series Manuale utente

The essentials of imaging

www.minolta-qms.com

magicolor® 3100 Series

1750051-001B

Service Manual

Introduction

1. Trademarks

The following are trademarks or registered trademarks of their respective owners. Other product names

mentioned in this manual may also be trademarks or registered trademarks of their respective owners.

Registered trademarks are registered in the United States Patent and Trademark Office; some trademarks

may also be registered in other countries. QMS, magicolor, and the MINOLTA-QMS logo are registered

trademarks of MINOLTA-QMS, Inc. Minolta is a trade-mark of Minolta Co., Ltd.

2. Copyright Notice

Rights Reserved. This manual may not be copied in whole or in part, nor transferred to any other media or

language, without the express written permission of MINOLTA-QMS, Inc.

Cautions for operation

1. Marks giving caution

Maintenance operations requiring special cautions or additional information to descriptions of this manual

are presented as "Warning", "Caution", or "Note", according to their nature.

If instructions are not observed, death or serious injury may be caused.

If instructions are not observed, injuries of workers or physical damages to assets

(including this laser printer) may result.

Particularly important essentials for procedures, steps, rules, and others.

Reference Incidental information to descriptions.

2. Related documents

▼ Instruction manuals (standard user manuals)

Describe operation and handling of this laser printer.

▼ Performance specifications

Describe in detail various specifications of this laser printer.

(In the event of discrepancy between this manual and the performance specifications, the performance

specifications shall take preference.)

▼ Spare parts list

Information on maintenance parts (spare parts) for this laser printer

3. Safety

To prevent possible accidents during maintenance operation, you should observe strictly the "Warning" and

"Caution" information in this manual.

Dangerous operations and operations out of range of this manual should be absolutely avoided.

Generally various processes not covered by this manual may be required in actual operation, which should

be performed carefully always giving attention to safety.

3.1 Power source

Keep the power supply off during maintenance operation to prevent electric shock, burns and other

damages. Keep the power plug disconnected during the maintenance operation.

If the power supply should be kept connected for measurement of voltage or other similar reasons,

sufficient care should be given to prevent electric shock, by following the procedures of this manual.

Introduction

vii

While the printer is ON, never touch live parts if not required absolutely.

Power is supplied to the power switch / inlet (LVPS ASSY) even while the printer is off.

Never touch its live components.

Do not touch live parts unless otherwise specified.

viii

3.2 Driving units

When servicing gears or other driving units, be sure to turn them OFF and plug off. Drive them manually

when required.

Never touch the gears or other driving units while the printer is running.

3.3 High-temperature units

When servicing high-temperature units (securing unit, etc.), be sure to turn them OFF to prevent burns,

injuries and other troubles, remove the power plug and start service processes after they have cooled down

enough.

Immediately after completion of operation, they are still hot. Start services after more

than 40 minutes.

3.4 Laser beams

•If your eyes are exposed to laser beams, you may lose your eyesight.

•Never open the cover if warning label for laser beams is attached there.

•Before disassembling and reassembling this laser printer, be sure to turn it OFF.

•When servicing this laser printer while it is running, be sure to follow the

procedures specified in this manual.

•You should understand the features of the laser beams which are capable of

having an injurious action on the human body, not to extend the danger over the

workers as well as other people around the printer.

Laser beams have features as follows:

•Frequencies are smaller in width than other beams (sun and electric bulbs) and

phases are uniform so that high monochromatic and convergence performance

can be obtained and thin beams of light can reach places at a long distance.

•Due to the high convergence, beams are concentrated in high density and high

temperature, which is dangerous to human body.

Reference: Laser beams of this laser printer is invisible rays which you cannot see.

Introduction

3.5 Warning/caution labels

Warning labels and caution labels are attached to this laser printer to prevent accidents Check those labels

for their peeling or stain when servicing the printer.

3.5.1 Caution label for high-temperature units

4. List of Abbreviations

ADC Automatic Density Control MPT Multipurpose Tray

AG Analog Ground MSI Multi Sheet Inserter

AUX Auxiliary N/F Normal Force

B/W Blank and White NP No Paper

BCR Bias Charge Roller NVM Non Volatile Memory

BTR Bias Transfer Roller (Image Transfer Roller) OPC Organic Photo Conductor

BUR Back Up Roller P/H Paper Handling

C Cyan PCDC Pixel Count Dispense Control

CART Cartridge PHD Printer Head (Imaging Cartridge)

CCW Counterclockwise Pixel Picture Cell (Picture Element)

CL Clutch PPM Prints per Minute

CLN Cleaning (or Cleaner) PV Print Volume

CLK Clock PWB Printed Wiring Board

CR Charge Roller R/H Right Hand

CRU Customer Replaceable Unit REGI Registration

CRUM CRU Monitor ROS Raster Output Scanner

CW Clockwise RTN Return

DB Developing Bias SEF Short Edge Feed

DTS Detack Saw SG Signal Ground

EP Electrophotography SNR Sensor

FDR Feeder SOL Solenoid

FG Frame Ground SOS Start of Scan

FRU Field Replaceable Unit SPI Scans per Inch

Hex Hexadecimal SYNC Synchronous

I/F Interface T/A Take Away

IDT Intermediate Drum Transfer TC Toner Concentration

ID Image Density (or Identification) TEMP Temperature

KBlackTRTransfer

L/H Left Hand TRANS Transport

L/P Low Paper WDD Wide Range Dynamic Damper

LD Laser Diode XERO Xerographic

LEF Long Edge Feed Y Yellow

M Magenta

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