Konica Minolta KN-302A, KN-302 User Manual

SERVICE MANUAL

MODELS

KN-302/302A/306

Network Interface Cards

FEBRUARY 2002

CSM-KN302/302A/306

SAFETY AND IMPORTANT WARNING ITEMS

SAFETY AND IMPORTANT WARNING ITEMS

Read carefully the Safety and Important Warning Items described below to understand them before doing service work.

IMPORTANT NOTICE

Because of possible hazards to an inexperienced person servicing this print controller units as well as the risk of damage to the print controller units, Konica Corporation strongly recommends that all servicing be performed only by Konica-trained service technicians.

Changes may have been made to this print controller units to improve its performance after this Service Handbook was printed. Accordingly, Konica Corporation does not warrant, either explicitly or implicitly, that the information contained in this Service Handbook is complete and accurate.

The user of this Service Handbook must assume all risks of personal injury and/or damage to the controller product while servicing the controller product for which this Service Handbook is intended.

Therefore, this Service Handbook 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 print controller units properly.

Keep this Service Handbook also for future service.

When it is impossible to read the description about safety and warning (due to contamination or tear), the relevant page should be replaced.

DANGER, WARNING, AND CAUTION SYMBOLS

AND EXPRESSIONS

In this Service Handbook, 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 print controller units, the relevant works (disassembling, reassembling, adjustment, repair, maintenance, etc.) need to be conducted with utmost care.

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

AUTION:Action having a possibility of suffering a slight wound, medium trouble, and property damage

Symbols used for important warning items are defined as follows:

Precaution

General precaution Electric shock Heated surface

Prohibition

General prohibition Do not touch with wet Do not disassemble hand

Direction

General instruction

Unplug

Ground/Earth

SAFETY AND IMPORTANT WARNING ITEMS

SAFETY WARNINGS

[1]MODIFICATIONS NOT AUTHORIZED BY KONICA

Konica controllers for copier are renowned for their high reliability. This reliability is achieved through high-qual- ity design and a solid service network.

Print controller units design is a highly complicated and delicate process where numerous mechanical, physical, and electrical 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

PROHIBITED ACTIONS:

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

• Using any fuse or thermostat not specified by Konica. Safety will not be assured, leading to a risk of fire and injury.

• Disabling fuse functions or bridging fuse terminals with wire, metal clips, solder 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 print controller units unless instructed by Konica

• Using parts not specified by Konica.

SAFETY AND IMPORTANT WARNING ITEMS

[2]CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE

Print controller units are extensively tested before shipping, to ensure that all applicable safety standards are met, in order to protect the customer and customer engineer (hereafter called the CE) from the risk of injury. However, in daily use, any electrical 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

WARNING: Wall Outlet

•Check that mains voltage is as specified. 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.	kw

• 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.

WARNING: Power Plug and Cord

• 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 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 (with plugs on both ends) specified by Konica. Using the damaged power cord may result in fire or electric shock.

• 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.

• 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.

SAFETY AND IMPORTANT WARNING ITEMS

WARNING: Power Plug and Cord

• 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.

WARNING: Wiring

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

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.

WARNING: Ground Lead

• Check whether the copier / print controller units are grounded properly.

If current leakage occurs in an ungrounded copier / print controller units, you may suffer electric shock while operating the copier / print controller units. Connect the ground lead to one of the following points:

a. Ground terminal of wall outlet

b. Ground terminal for which Class D work has been done

•Pay attention to the point to which the ground lead is connected. Connecting the ground lead to an improper point such as the points listed below results in a risk of explosion and electric shock:

a.Gas pipe (A risk of explosion or fire exists.)

b.Lightning rod (A risk of electric shock or fire exists.)

c.Telephone line ground (A risk of electric shock or fire exists in the case of lightning.)

d.Water pipe or faucet (It may include a plastic portion.)

CAUTION: Power Supply Voltage Setting

• When installing a unit which is equipped to operate on manual setting for power supply and voltage, make sure certainly that the input voltage selection matches to the line voltage at the installation site.

Operating a product on voltages different from the specified one may result in malfunctioning or fire.

SAFETY AND IMPORTANT WARNING ITEMS

2. Installation Requirements

WARNING: Prohibited Installation Place

• Do not place the copier / print controller units near flammable materials such as curtains or volatile materials that may catch fire.

A risk of fire exists.

• Do not place the copier / print controller units in a place exposed to water such as rain water.

A risk of fire and electric shock exists.

WARNING: Nonoperational Handling

• When the copier / print controller units are not used over an extended period of time (holidays, etc.), switch it off and unplug the power cord.

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

CAUTION: Temperature and Humidity

• Do not place the copier / print controller units in a place exposed to direct sunlight or near a heat source such as a heater.

A risk of degradation in copier / print controller units performance or deformation exists.

Do not place the copier / print controller units in a place exposed to cool wind.

Recommended temperature and humidity are as follows: Temperature: 10°C to 30°C

Humidity: 10% to 80% (no dew condensation) Avoid other environments as much as possible.

CAUTION: Ventilation

• Do not place the copier / print controller units in a place where there is much dust, cigarette smoke, or ammonia gas.

Place the copier / print controller units in a well ventilated place to prevent machine problems and image faults.

• The copier generates ozone gas during operation, but it is not sufficient to be harmful to the human body.

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

a. When the copier is used in a poorly ventilated room b. When taking a lot of copies

c. When using multiple copiers at the same time

SAFETY AND IMPORTANT WARNING ITEMS

CAUTION: Vibration

• When installing the copier / print controller units, read the Installation Guide thoroughly. Be sure to install the copier / print controller units in a level and sturdy place.

Constant vibration will cause problems.

• Be sure to lock the caster stoppers of copier / print controller units.

In the case of an earthquake and so on, the copier / print controller units may slide, leading to a injury.

CAUTION: Inspection before Servicing

• Before conducting an inspection, read all relevant documentation (service handbook, technical notices, etc.) and proceed with the inspection following the prescribed procedure, using only the prescribed tools. Do not make any adjustment not described in the documentation.

If the prescribed procedure or tool is not used, print controller units may break and a risk of injury or fire exists.

• Before conducting an inspection, be sure to disconnect the power plugs from the copier and print controller units.

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.

DANGER: Work Performed with the Copier / Print controller units Powered

• Take every care when making adjustments or performing an operation check with the copier / print controller units 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

WARNING: Safety Checkpoints

•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 print controller units.

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.

• When disconnecting connectors, grasp the connector, not the cable. (Specifically, connectors of the AC line and high-voltage parts) Current can leak, leading to a risk of electric shock or fire.

• Carefully remove dust from electrical parts.

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

• Check cables and sheaths for any damage.

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

• When replacing a lithium battery, replace it with a new lithium battery specified in the Parts Guide Manual. Dispose of the used lithium battery using the method specified by local authority.

Improper replacement can cause explosion.

• Make sure the wiring cannot come into contact with sharp edges, burrs, or other pointed parts.

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

• Make sure that all screws, components, wiring, connectors, etc. that were	Xpcs?
removed for safety check and maintenance have been reinstalled in the
original location. (Pay special attention to forgotten connectors, pinched
cables, forgotten screws, etc.)
A risk of print controller units trouble, electric shock, and fire exists.

CAUTION: Safety Checkpoints

•When transporting or storing electrical boards or electrical parts, be sure to contain them in an anti-static packaging.

Otherwise, there is a risk that error conditions may occur.

SAFETY AND IMPORTANT WARNING ITEMS

CAUTION: Safety Checkpoints

•Discharge static electricity from your body by touching metallic parts of appropriate fixtures before starting to carry out work on a carpet or at a

location where the human body is likely to be charged with static electricity.

Otherwise, there is a risk that electrical parts can be damaged. (It is recommended that you wear an anti-static wrist strap.)

•Use a dedicated PLCC pull-out tool when removing IC parts such as PS chips or other chips.

Using other tools may result in damaging the chip socket or the chip itself.

• Never touch the terminal of electrical parts with hands.

To do so may result in a poor electrical conductivity. In extreme cases, error conditions may occur.

• When inserting boars/parts into slots in electrical boards (like the PCI, ISA, or Memory slots, for example), do so carefully and firmly.

A careless insertion may be responsible for a poor electrical conductivity. In extreme cases, error conditions may occur.

SAFETY AND IMPORTANT WARNING ITEMS

[3]MEASURES TO TAKE IN CASE OF AN ACCIDENT

1.If an accident has occurred, the distributor who has been notified first must immediately take emergency measures to provide relief to affected persons and to prevent further damage.

2.If a report of a serious accident has been received from a customer, an on-site evaluation must be carried out quickly and Konica Corporation must be notified.

3.To determine the cause of the accident, conditions and materials must be recorded through direct on-site checks, in accordance with instructions issued by Konica Corporation.

4.For reports and measures concerning serious accidents, follow the regulations given in "Serious Accident Report/Follow-up Procedures."

[4]CONCLUSION

1.Safety of users and customer engineers depends highly on accurate maintenance and administration. Therefore, safety can be maintained by the appropriate daily service work conducted by the customer engineer.

2.When performing service, each print controller units on the site must be tested for safety. The customer engineer must verify the safety of parts and ensure appropriate management of the equipment.

		Contents
	CONTENTS
	Chapter 1 Overview
	■ Product specifications ................................................................................	1-1
1	● KN-302/KN-302A/KN-306 network interface card ..........................................................	1-1
	● Name of each product in this manual .............................................................................	1-1
	■ Product overview ........................................................................................	1-2
	● Capabilities of the Network Interface Card .....................................................................	1-2
	Chapter 2 Disassembly / Reassembly
	■ Disassembly / Reasssembly procedures ..................................................	2-1
	● Installation to/removal from the Print Controller ..............................................................	2-1
	Chapter 3 Troubleshooting
	■ LED Status Indicator .................................................................................	3-1
	■ Status Page ...............................................................................................	3-2
	■ Resetting the network interface card to Factory Default.............................	3-4
	■ How to Diagnose Problems ........................................................................	3-5
	● Troubleshooting Network Hardware Connections ...........................................................	3-6
	● Troubleshooting MAP Problems ......................................................................................	3-6
	● Troubleshooting NetWare Protocol .................................................................................	3-6
	● NetWare Checklist ..........................................................................................................	3-6
	● File Server Checklist .......................................................................................................	3-6
	● Workstation Checklist .....................................................................................................	3-7
	● Network Interface Card Configuration Checklist .............................................................	3-7
	● Printer Server/File Server/Printer Checklist ....................................................................	3-8
	● Workstation to Network Interface Connection Checklist .................................................	3-8
	● The Network Interface Card Loses Its File Server Connection .......................................	3-8
	● Unable to Print from a Different Context .........................................................................	3-8
	Chapter 4 Appendices
	■ Rewriting the firmware.............................................................................	4-1-1
	● Rewrinting the firmware via the network ......................................................................	4-1-1
	● Rewrinting the firmware via the parallel port (only with KN-306) .................................	4-1-2
	■ Functions of parts mounted on the board ..................................................	4-2
	■ Jumpers ......................................................................................................	4-3
	INDEX .....................................................................................................	Index-1