Oki B6200 Series Manuel utilisateur

Oki Data CONFIDENTIAL

B6200/B6300

Maintenance Manual

070111D

Cautions for operation

Contents of this document may be subjected to modification without previous notice.Oki Data

will assume no responsibilities for accidental or incidental damages

resulting from technical or editorial errors or omission in this manual, issue of this manual, execution of

description in this manual, or use of this manual.

This document is protected by copyright. It is not forgiven to photocopy or duplicate any part of this

document in any form without previous permission in writing from Oki Data.

1. About this manual

This manual is a standard service manual of Oki Data containing information

required for maintenance of this laser printer (standard specifications).

The items described as “34PPM” are applied to the B6300 unit with 34ppm Print Engine Specifications.

The items describes as “24PPM” are applied to the B6200 unit with 24ppm Print Engine Specifications.

2. 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, 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.

3. Related documents

- Instruction manuals (standard 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.)

-Video interface specifications

Detailed video interface specifications for this laser printer

-Spare parts list

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

iii

4. Safety

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

"Caution" information in this manual.

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

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

performed carefully always giving attention to safety.

4.1 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.

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

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.

(34PPM) (24PPM)

JG0001AA

JG0101AA

4.2 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.

(34PPM) (24PPM)

JG0002AA

JG0102AA

4.3 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.

(34PPM)

(24PPM)

JG0105AB

FUSERASSY

JG0005AB

Caution label

4.4 Laser beams

This laser printer has a switch (INTERLOCK S/W 5V) which stops providing power to the laser beam

output circuit physically in order to prevent from receiving laser beam of the laser beam output unit

(ROS ASSY). The switch turns to OFF when the top cover is opened.

Do not turn the switch ON by force except usual operations because there are possibilities that the

laser beam emits light when maintaining.

• 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

causing injury 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 are invisible rays which you cannot see.

vii

(34PPM)

(24PPM)

ROSASSY

JG0104AB

Caution label

ROSASSY

JG0004AB

Caution label

viii

4.5 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.

4.5.1 Caution label for high-temperature units

It is labeled to the front side of fuser (FUSER ASSY) which become hot in order to prevent from

customers’ burn.

4.5.2 Caution label for laser beams

It is labeled to the top side of the output unit of laser beams (ROS ASSY) in order to prevent from that

workers for maintenance receive leaser beam.

5. Installation

5.1 Power source

Do not plug too many leads into a single socket. Use a dedicated electric outlet and confirm that the

power is within the specification.

Connect the single power cord to an electric outlet which supplies power more

than the maximum power consumption of this laser printer.

5.2 Ground

Be sure to establish the ground of this laser printer.

Be sure to connect the ground of this laser printer with one of the followings:

- Grounding terminal of an electric outlet

- Copper or the like which is embedded 650 mm or deeper in the ground

- Grounding terminal for which the grounding work has been carried out

Be sure not to establish a ground with the followings:

- Gas pipe

- Ground for telephone

- Water pipe which is partially made from plastic

When establishing a ground, be sure not to use the 2pin - 3pin conversion plug.

5.3 Installation location

- Make sure there is enough space for operations of this laser printer.

- Install where the temperature and the humidity meet the following environment:

- During operation:5 to 35 degree C / 15 to 85 %RH (70%RH at 35 degree C, 85%RH at 32 degree C).

- no condensation

- Not in operation:-20 to 40 degree C / 5 to 85%RH (A place with no condensation)

- Install in a flat place with the angle of gradient of 5 degree or less.

- Install in a place with the illumination of 3000 Lux or less. (Avoid direct sunlight.)

- Avoid a place near a water system, a humidifier or fire, a dusty place, or a place which gets air blasting

of an air conditioning.

- Avoid where volatile or flammable gas is generated.

- Avoid an ill-ventilated place.

- Avoid an unstable and non-durable place.

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