Konica Minolta FK-502 User manual

FK-502

SAFETY AND IMPORTANT WARNING ITEMS

Read carefully the Safety and Important Warning Items described below to understand them before doing ser-

vice work.

Because of possible hazards to an inexperienced person servicing this product as well as the risk of damage to

the product, Konica Minolta Business Technologies, INC. (hereafter called the KMBT) strongly recommends that

all servicing be performed only by KMBT-trained service technicians.

Changes may have been made to this product to improve its performance after this Service Manual was printed.

Accordingly, KMBT does not warrant, either explicitly or implicitly, that the information contained in this Service

Manual is complete and accurate.

The user of this Service Manual must assume all risks of personal injury and/or damage to the product while ser-

vicing the product for which this Service Manual is intended.

Therefore, this Service Manual must be carefully read before doing service work both in the course of technical

training and even after that, for performing maintenance and control of the product properly.

Keep this Service Manual also for future service.

In this Service Manual, each of three expressions “ DANGER”, “ WARNING”, and “ CAUTION” is defined

as follows together with a symbol mark to be used in a limited meaning.

When servicing the product, the relevant works (disassembling, reassembling, adjustment, repair, maintenance,

etc.) need to be conducted with utmost care.

Symbols used for safety and important warning items are defined as follows:

SAFETY AND IMPORTANT WARNING ITEMS

IMPORTANT NOTICE

DESCRIPTION ITEMS FOR DANGER,

WARNING AND CAUTION

DANGER: Action having a high possibility of suffering death or serious injury

WARNING: Action having a possibility of suffering death or serious injury

CAUTION: Action having a possibility of suffering a slight wound, medium trouble and

property damage

:Precaution when using the copier.

General precaution Electric hazard High temperature

:Prohibition when using the copier.

General prohibition Do not touch with wet hand Do not disassemble

:Direction when using the copier.

General instruction Unplug Ground/Earth

SAFETY AND IMPORTANT WARNING ITEMS

1. MODIFICATIONS NOT AUTHORIZED BY

KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.

Konica Minolta brand products are renowned for their high reliability. This reliability is achieved through high-

quality design and a solid service network.

Product design is a highly complicated and delicate process where numerous mechanical, physical, and electri-

cal aspects have to be taken into consideration, with the aim of arriving at proper tolerances and safety factors.

For this reason, unauthorized modifications involve a high risk of degradation in performance and safety. Such

modifications are therefore strictly prohibited. the points listed below are not exhaustive, but they illustrate the

reasoning behind this policy.

SAFETY WARNINGS

Prohibited Actions

DANGER

• Using any cables or power cord not specified by KMBT.

• Using any fuse or thermostat not specified by KMBT. Safety will not be

assured, leading to a risk of fire and injury.

• Disabling fuse functions or bridging fuse terminals with wire, metal clips, sol-

der or similar object.

• Disabling relay functions (such as wedging paper between relay contacts)

• Disabling safety functions (interlocks, safety circuits, etc.) Safety will not be

assured, leading to a risk of fire and injury.

• Making any modification to the product unless instructed by KMBT

• Using parts not specified by KMBT

SAFETY AND IMPORTANT WARNING ITEMS

2. POWER PLUG SELECTION

In some countries or areas, the power plug provided with the product may not fit wall outlet used in the area. In

that case, it is obligation of customer engineer (hereafter called the CE) to attach appropriate power plug or

power cord set in order to connect the product to the supply.

Power Cord Set or Power Plug

WARNING

• Use power supply cord set which meets the following criteria:

- provided with a plug having configuration intended for the connection

to wall outlet appropriate for the product's rated voltage and current,

and

- the plug has pin/terminal(s) for grounding, and

- provided with three-conductor cable having enough current capacity,

and

- the cord set meets regulatory requirements for the area.

Use of inadequate cord set leads to fire or electric shock.

• Attach power plug which meets the following criteria:

- having configuration intended for the connection to wall outlet appropri-

ate for the product's rated voltage and current, and

- the plug has pin/terminal(s) for grounding, and

- meets regulatory requirements for the area.

Use of inadequate cord set leads to the product connecting to inade-

quate power supply (voltage, current capacity, grounding), and may result

in fire or electric shock.

• Conductors in the power cable must be connected to terminals of the plug

according to the following order:

•BlackorBrown: L(line)

• White or Light Blue: N (neutral)

• Green/Yellow: PE (earth)

Wrong connection may cancel safeguards within the product, and results

in fire or electric shock.

AC230V

AC208V 240V

SAFETY AND IMPORTANT WARNING ITEMS

3. CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE

Konica Minolta brand products are extensively tested before shipping, to ensure that all applicable safety stan-

dards are met, in order to protect the customer and CE from the risk of injury. However, in daily use, any electri-

cal equipment may be subject to parts wear and eventual failure. In order to maintain safety and reliability, the CE

must perform regular safety checks.

1. Power Supply

Connection to Power Supply

WARNING

• Check that mains voltage is as specified.

Connection to wrong voltage supply may result in fire or electric shock.

• Connect power plug directly into wall outlet having same configuration as

the plug.

Use of an adapter leads to the product connecting to inadequate power

supply (voltage, current capacity, grounding), and may result in fire or

electric shock.

If proper wall outlet is not available, advice the customer to contact quali-

fied electrician for the installation.

• Plug the power cord into the dedicated wall outlet with a capacity greater

than the maximum power consumption.

If excessive current flows in the wall outlet, fire may result.

• If two or more power cords can be plugged into the wall outlet, the total load

must not exceed the rating of the wall outlet.

If excessive current flows in the wall outlet, fire may result.

• Make sure the power cord is plugged in the wall outlet securely.

Contact problems may lead to increased resistance, overheating, and the

risk of fire.

• Check whether the product is grounded properly.

If current leakage occurs in an ungrounded product, you may suffer elec-

tric shock while operating the product.

Connect power plug to grounded wall outlet.

? V

SAFETY AND IMPORTANT WARNING ITEMS

Power Plug and Cord

WARNING

• When using the power cord set (inlet type) that came with this product,

make sure the connector is securely inserted in the inlet of the product.

When securing measure is provided, secure the cord with the fixture prop-

erly.

If the power cord (inlet type) is not connected to the product securely, a

contact problem may lead to increased resistance, overheating, and risk

of fire.

• Check whether the power cord is not stepped on or pinched by a table and

so on.

Overheating may occur there, leading to a risk of fire.

• Check whether the power cord is damaged. Check whether the sheath is

damaged.

If the power plug, cord, or sheath is damaged, replace with a new power

cord or cord set (with plug and connector on each end) specified by

KMBT.

Using the damaged power cord may result in fire or electric shock.

• Do not bundle or tie the power cord.

Overheating may occur there, leading to a risk of fire.

• Check whether dust is collected around the power plug and wall outlet.

Using the power plug and wall outlet without removing dust may result in

fire.

• Do not insert the power plug into the wall outlet with a wet hand.

The risk of electric shock exists.

• When unplugging the power cord, grasp the plug, not the cable.

The cable may be broken, leading to a risk of fire and electric shock.

SAFETY AND IMPORTANT WARNING ITEMS

2. Installation Requirements

Wiring

WARNING

• Never use multi-plug adapters to plug multiple power cords in the same out-

let.

If used, the risk of fire exists.

• When an extension cord is required, use a specified one. Current that can

flow in the extension cord is limited, so using a too long extension cord may

result in fire.

Do not use an extension cable reel with the cable taken up. Fire may

result.

Prohibited Installation Place

WARNING

• Do not place the product near flammable materials or volatile materials that

may catch fire.

A risk of fire exists.

• Do not place the product in a place exposed to water such as rain.

A risk of fire and electric shock exists.

When not using product for a long time

WARNING

• When the product is not used over an extended period of time (holidays,

dust collected around the power plug and outlet may cause fire.

Ventilation

CAUTION

• The product generates ozone gas during operation, but it will not be harmful

to the human body.

If a bad smell of ozone is present in the following cases, ventilate the

room.

a. When the product is used in a poorly ventilated room

b. When taking a lot of copies

c. When using multiple products at the same time

SAFETY AND IMPORTANT WARNING ITEMS

Fixing

CAUTION

• Be sure to lock the caster stoppers.

In the case of an earthquake and so on, the product may slide, leading to

a injury.

Inspection before Servicing

CAUTION

• Before conducting an inspection, read all relevant documentation (service

manual, technical notices, etc.) and proceed with the inspection following

the prescribed procedure in safety clothes, using only the prescribed tools.

Do not make any adjustment not described in the documentation.

If the prescribed procedure or tool is not used, the product may break

and a risk of injury or fire exists.

• Before conducting an inspection, be sure to disconnect the power plugs

from the product and options.

When the power plug is inserted in the wall outlet, some units are still

powered even if the POWER switch is turned OFF. A risk of electric shock

exists.

• The area around the fixing unit is hot.

You may get burnt.

Work Performed with the product Powered

WARNING

• Take every care when making adjustments or performing an operation

check with the product powered.

If you make adjustments or perform an operation check with the external

cover detached, you may touch live or high-voltage parts or you may be

caught in moving gears or the timing belt, leading to a risk of injury.

• Take every care when servicing with the external cover detached.

High-voltage exists around the drum unit. A risk of electric shock exists.

SAFETY AND IMPORTANT WARNING ITEMS

Safety Checkpoints

WARNING

• Check the exterior and frame for edges, burrs, and other damages.

The user or CE may be injured.

• Do not allow any metal parts such as clips, staples, and screws to fall into

the product.

They can short internal circuits and cause electric shock or fire.

• Check wiring for squeezing and any other damage.

Current can leak, leading to a risk of electric shock or fire.

• Carefully remove all toner remnants and dust from electrical parts and elec-

trode units such as a charging corona unit.

Current can leak, leading to a risk of product trouble or fire.

• Check high-voltage cables and sheaths for any damage.

Current can leak, leading to a risk of electric shock or fire.

• Check electrode units such as a charging corona unit for deterioration and

sign of leakage.

Current can leak, leading to a risk of trouble or fire.

• Before disassembling or adjusting the write unit (P/H unit) incorporating a

laser, make sure that the power cord has been disconnected.

The laser light can enter your eye, leading to a risk of loss of eyesight.

• Do not remove the cover of the write unit. Do not supply power with the

write unit shifted from the specified mounting position.

The laser light can enter your eye, leading to a risk of loss of eyesight.

• When replacing a lithium battery, replace it with a new lithium battery speci-

fied in the Parts Guide Manual. Dispose of the used lithium battery using the

method specified by local authority.

Improper replacement can cause explosion.

• After replacing a part to which AC voltage is applied (e.g., optical lamp and

fixing lamp), be sure to check the installation state.

A risk of fire exists.

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