FujiFilm CR-IR341 Bedienungsanleitung

FUJI COMPUTED RADIOGRAPHY

Service Manual

CR-IR341 (FCR 5000)

CR-IR341P (FCR 5000plus)

Printed in Japan

Document No.009-051-07

1 st Edition - June 20, 1998

Revised Edition - Aug. 30, 2001

Fuji Photo Film Co., Ltd.

in a retrieval system, or transmitted in any form or by means, electronic,

mechanical, photocopying, recording or otherwise, without the prior written

permission of Fuji Photo Film Co., Ltd. Miyanodai Technology Development

Center.

FCR®is a registered trademark of Fuji Photo Film Co., Ltd.

The relationship between mR (milliroentgen), which is the unit of radiation,

and µC/kg (micro-coulomb/kilogram), which is the SI derived unit of radiation,

is as follows.

1 mR = 0.258 µC/kg

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Getting Started

CR-IR341

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Getting Started

■Scope

This Service Manual is applicable to Fuji Computed Radiography CR-IR341 and CR-IR341P.

The machine is categorized as Class 1 according to IEC classification.

For the console (hereinafter abbreviated as CSL), reference should be made to the Service

Manual for ID-T741 or CR-IR348CL.

◆

NOTES

◆

• Differences between the CR-IR341 and CR-IR341P are as follows.

The CR-IR341 may be connected to the ID-T741.

The CR-IR341P may be connected to the CR-IR348CL and ID-T741.

• Units with serial number #5001 or later are called “CR-IR341P”.

■Notational Conventions

In this manual, some conventions for unit symbols, cautions, warnings, etc.are followed to

provide a simple, easy-to-read layout.

●Notation of unit symbols

For notation of unit symbols, metric units set forth in the International Systems of Units (SI)

are used, as a rule. However, some metric units that are not allowed in the SI but are permit-

ted in the Measurement Law are used partially.

●Notation of cautions, warnings, etc.

The notation formats of “warning,”“caution,” “note,” “supplementary note,” and “reference” are

shown below.

WARNING

Used when physical injury or death may occur if the instruction is not observed.

CAUTION

Used when a minor physical injury may be incurred or the machine may suffer serious damage

if the instruction is not observed.

◆

NOTE

◆

Used when the machine may suffer damage, or any failure or malfunction may occur if the

instruction is not observed.

SUPPLEMENTARY NOTE

Used to supply information that is not related directly to the work flow but may be useful if known.

Used to indicate the section you should refer to.

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Getting Started

■Servicing Instruments andToolsThat Require Inspection/Calibration

The machine should be installed and serviced by use of servicing instruments and tools that

have been inspected and calibrated as appropriate.

If the machine were serviced using servicing instruments and tools that have not been

inspected and calibrated, proper performance of the machine could not be guaranteed.

Servicing instruments and tools that require inspection/calibration are as listed below.

Inspection/calibration procedures should be performed in accordance with the inspection/

calibration manuals described in the ECN Information.

●Instruments and tools that require inspection/calibration

Name Inspection Calibration Inspection/calibration manual No.

–

ECN No. FCR-A014

TR1H0001.EPS

–

❍

❍❍

–

❍

Steel rule (150mm)

Steel rule (300mm)

Digital tester

Calipers

Push-pull gauge

❍(✻)

Dosimeter

✻: A block gauge for use in inspection requires calibration.

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Safety Precaution

Observe the following safety precautions to avoid possible hazards and accidents during

installation and servicing.

1. General Precautions

■Power Supply

• Be sure to turn OFF the power before servicing. If servicing is performed while the power

remains ON, you may experience electric shock, burn, or machine malfunction.Since

some parts are not fully discharged (such as the photomultiplier) or remain at high tem-

perature (such as the lamp) even after power OFF, exercise due care not to touch them.

If servicing procedures (such as voltage measurement) that cannot be performed under

power-OFF condition are to be performed, use due care to avoid electric shock and other

hazards, as instructed in this manual.

• To restart the machine, power it OFF and wait more than five seconds before powering it

ON again. If the machine is powered ON within five seconds, it may shut down due to

overcurrent/overvoltage protection.

■Check on Drive Mechanisms

For your safety, be sure to turn OFF the power before proceeding with inspection or adjust-

ment. If inspection or adjustment that cannot be performed under power-OFF condition is to

be made, use due care, as instructed in this manual.

■Heavy Objects

Get an assistant to help you during installation and removal of heavy objects. Also use

suitable gear or machinery when appropriate.

■Safety Devices

For safety devices, such as fuses, breakers, interlock switches, panels, and covers, their

safety features should always be enabled.Do not make any alternation or modification that

may impair their functionality.

■Fixing Adjustable Foot

As anti-vibration measures for the machine, fix its adjustable feet onto the floor in place.

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Safety Precaution

■Precautions for Optical Parts

Observe the following rules for all the optical parts.Otherwise, the image quality may be

degraded.

• Before removing the covers, be sure to turn OFF the high-voltage switch. If the

machine is powered ON with any of the covers removed, the photomultiplier will be

damaged.

• Never touch the surface of optical parts.

• Do not attempt to remove dust or soil with procedures other than those specified.

• Remove optical parts in a clean environment. When removing protective housings to

replace optical parts, use care to avoid saliva from spattering around. Accordingly, it is

desirable to wear a mask.

■Other General Precautions

General precautions to be observed when performing servicing procedures are described

below. Note that precautions for individual procedures are described for their respective

procedures and thus be observed accordingly.

• To avoid hazards and prevent damage to components, do not remove or install any

part while the machine is powered. When performing checks and adjustments under

the powered condition, exercise care against electric shock.

• To avoid hazards, do not put your hand on or into any rotating part. Also use care not

to get your hand, foot, hairs, or clothes entangled in the machine.

• Use care not to touch the erasure lamp by hand, because it remains at high tempera-

ture immediately after power is turned OFF.

• Since some components, such as the photomultiplier, are not sufficiently discharged

after power is turned OFF, exercise due care to avoid electric shock. (Do not touch any

exposed parts, such as connectors and terminals, by bare hand inadvertently.)

• When servicing any LD assembly and printed circuit board, be sure to wear an anti-

static wristband to ensure proper grounding. If not, static electricity built on the human

body may cause damage to electronic parts on the board.

• Keep clean the product labels, safety standards labels, product serial number indica-

tions, and so forth attached on the machine, and do not peel them or put another label

over them.

• Upon completion of the servicing procedures, put the protective housings, retaining

screws, and cover grounding back exactly where they were, and secure them in place.

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Safety Precaution

2. Safety Against Laser Radiation

As indicated by the Certification and Identification Label attached on the rear cover of the

machine for overseas use, the machine complies with the U.S.Federal Regulations concern-

ing laser safety.The image reader incorporates a laser with a maximum output of 60 mW

(Class 3B, semiconductor laser wavelength of 660 nm, red visible light), but you will not be

exposed to any hazard if you perform tasks as instructed in this manual.

■Precautions Against Laser Exposure

Observe the following rules to avoid laser exposure.

●Procedures that require precautions against laser exposure

When performing the following procedures, observe the instructions exactly as described in

this manual to avoid laser exposure.

• Remove and restore the scanning optics unit.

• Replace the semiconductor laser unit.

• Replace or clean subscanning unit parts.

After the procedures are completed, put the protective housings and retaining screws back

exactly in their original position to prevent leakage of a laser beam out of the machine.

●Preventive maintenance for keeping the machine in compliance

In order to keep the machine in compliance with laser safety standards, perform preventive

maintenance programs described in “Preventive Maintenance Volume” at intervals specified.

●Things that should not be done to avoid laser exposure

Observe the following rules during servicing to avoid laser exposure.

• Never attempt to perform procedures other than instructed in this manual because you

may be exposed to laser beam radiation.

• Do not reflect a laser beam by placing a mirror or the like in the laser beam path.

• Do not alter the light path of a laser beam.

• Do not replace optical parts while the laser is energized.

• Never attempt to make optical axis adjustment in the field. Although the semiconductor

laser beam is red visible light, field adjustment of the optical axis cannot be done.

■Labels and Protective Housings for Laser Safty

“Safety Labels page 0.36”

“Protective Housings Against Laser Exposure page 0.40”

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Safety Precaution

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