Konica Minolta IP-421 How to use

IP-421

SERVICE HANDBOOK

March, 2001

Ver.1.1

KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.

TECHNOLOGY SUPPORT CENTER

TOKYO JAPAN

KCSI42110

KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.

MF13JA1780

C-1 IP-421 PRINT CONTROLLER

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 equipment, as well as the

risk of damage to the equipment,

Konica Minolta Business Technologies, INC.

, strongly recommends that all servicing be

performed only by Konica-trained service technicians.

Changes may have been made to this equipment to improve its performance after this service

handbook was printed. Accordingly,

Konica Minolta Business Technologies, INC.

, makes no representations or warranties,

either expressed or implied, that the information contained in this service handbook is complete or

accurate. It is under-stood that the user of this service handbook must assume all risks or personal

injury and/or damage to the equipment while servicing the equipment for which this service hand-

book is intended.

Therefore, this Service Handbook must be read carefully before doing service work both in the

course of the technicaltraining and evenafter that, forkeeping the correct maintenance andcontrol

of the copying machine. Keep the Service Handbook also for the future service. When it is impos-

sible to read the description about safety and warning (due to contamination or tear), the relevant

page should be re-placed.

DESCRIPTION ITEMS FOR Danger,Warning AND Caution

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 relevant works (disassembling, assembling, adjustment, repair and mainte-

nance) need to be conducted with utmost care.

Danger: Actions having a high possibility of suffering death or serious

wound

Warning: Actions having a possibility of suffering death or serious wound

Caution: Actions having a possibility of suffering a slight wound, medium

trouble and material damage

C-2 IP-421 PRINT CONTROLLER

Safety and Important Warning Items

SAFETY WARNINGS

●MODIFICATIONS NOT AUTHORIZED BY Konica

Konica copiers are renowned for their high reliability. This reliability is achieved through high-quality

design and a solid service network.

Photocopier 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

ofdegrading performanceand safety.Such modificationsaretherefore strictlyprohibited.The points

listed below are not exhaustive, but they illustrate the reasoning behind this policy.

Prohibited Actions :

(1) Using extension cables or a different power cord than specified by Konica.

(2) Using other fuses than specified by Konica. Safety will not be assured, lead-

ing to a risk of fire and injury.

(3) Disabling fuses or bridging fuse terminals with wire, metal clips, solder or

similar. (This applies also to thermal fuses.)

(4) Removing air filters (except for replacement).

(5) Disabling relay functions (such as wedging paper between relay contacts,

etc.).

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

assured, leading to a risk of fire and injury.

(7) Performing actions to copier not described in the instruction manual or the

service handbook.

(8) Using parts other than specified by Konica.

●CHECKPOINTSWHEN PERFORMING ON-SITE SERVICE

Konica copiers are extensively tested before shipping, to ensure that all applicable safety stan-

dards are met, in order to protect the customer and customer engineer from the risk of injury.

However, in daily use, any electrical equipment will be subject to parts wear and eventual failure. In

order to maintain safety and reliability, the customer engineer must perform regular safety checks.

Caution :

(1) Wear clothing that facilitates work and is designed for safety.

(2) Carry out all procedures carefully to prevent injury.

(3) Be sure to disconnect the power cord of the copier and all optional equip-

ment from the AC outlet.

Simply turning off the power switch is not sufficient, because paper feed

units or other electrical equipment may be powered also when the power

switch is turned off.

(4) Proceed with special care when performing operation checks or adjustment

while the unit is powered. When carrying out operation checks or adjust-

ment while external covers are removed, the risk of electrical shock exists

when touching parts which carry high voltage or electrical charge. The risk

of injury exists when touching moving parts such as gears or chains.

C-3 IP-421 PRINT CONTROLLER

Safety and Important Warning Items

The following list is not exhaustive, but it includes actions which must be carried out at every ser-

vice call.

Caution :

(1) Check external covers and the frame for sharp edges, burrs, or nicks.

(2) Check external covers and hinges for loosening or damage.

(3) Check wiring for squeezing or damage.

(4) Checkpower cordfor insulationproblems(conductor mustnot beexposed).

(5) Check that power cord is properly connected.

Warning :

(1) Verify that the copier is properly grounded. If a problem is detected, estab-

lish a proper ground connection.

(2) Connecting the ground lead to an improper point such as listed below re-

sults in a risk of explosion and electric shock.

Unsuitable ground points:

- Gas pipe

- Lightning rod

- Telephone line ground

- Plastic water pipe or water pipe or faucet that has not been approved by

authorities for grounding use

●PRECAUTIONS FOR ON-SITE SERVICE

Caution :

(1) Before performing maintenance work, read all relevant documentation (ser-

vice handbook, technical notices, etc.) and proceed according to the pre-

scribed procedure, using only the prescribed tools. Do not carry out any

adjustments not described in the documentation.

(2) If the power cord is damaged, replace it only with the specified power cord.

If the power cord insulation has been damaged and there are exposed sec-

tions, shortcircuits and overheating may occur, leading to a serious fire risk.

(3) Do not route the power cord so that it can be stepped on or pinched. Other-

wise overheating may occur, leading to a serious fire risk.

(4) When disconnecting any cables, always grasp the connector and not the

cable (especially in the case of AC and high-voltage leads).

(5) Carefully remove all toner remnants from electrical parts, electrodes, etc.

(6) Make sure that wiring cannot come into contact with sharp edges, burrs, or

other pointed parts.

(7) Double-check to make sure that all screws, components, wiring, connec-

tors, etc. that were removed for maintenance have been reinstalled in the

original location. (Pay special attention to forgotten connectors, pinched

cables, forgotten screws, etc.)

(8) When installation and preventive maintenance, verify that the power cord

has been securely plugged into the AC outlet. Contact problems may lead

to increased resistance, overheating, and the risk of fire.

Warning :

(1) Before disassembling or adjusting the optical unit or any parts that use a

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

C-4 IP-421 PRINT CONTROLLER

Safety and Important Warning Items

(2) Do not remove the main cover of the write unit. Direct exposure of the eye to

laser beams may lead to blindness.

(3) Do not turn the copier on while the write unit is not installed in its normal

position.

(4) Danger of explosion if battery is incorrectly replaced, replace only with the

same or equivalent recommended by the manufacturer. Discard used bat-

teries according to the manufacture’s instructions.

Vorsicht :

(4) Expiosionsgefahr dei unsachegemäßem Austausch der Battetie. Ersatz nur

durch denselben oder einen vom. Hersteller empfohlenen gleichwertigen Typ.

Entsorgung gebrauchter Batterien nach Angaben des Herstellers.

●HANDLING OF MATERIALS FOR SERVICING

Caution: Drum cleaner (alcohol-based) and roller cleaner (acetone- based) are

highly flammable and must be handled with care.

When using these materials for cleaning of copier parts, observe the

following pre-cautions.

(1) Disconnect the power cord from the AC outlet.

(2) Use only a small amount of cleaner at a time and take care not to spill any

liquid. If this happens, immediately wipe it off.

(3) Performcleaningonly inan environmentwheresufficient ventilationis assured.

Breathing large quantities of organic solvents can lead to discomfort.

(4) Do not replace the cover or turn the unit on before any solvent remnants on

the cleaned parts have fullyevaporated.

Caution: Toner and developer are not harmful sub-stances, but care must be

taken not to breathe excessive amounts or let the substances come

into contact with eyes etc.

If this happens, immediately rinse with eye wash and plenty of water,

and consult a physician.

●MEASURESTOTAKE 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 Minolta Business Technologies, INC.

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 is-

sued by Konica Minolta Business Technologies, INC..

●CONCLUSION

Safety of users and customer engineers has topmost priority, ranking even higher than operability.

Safety depends on a appropriate maintenance work and is maintained by proper daily service work

conducted by customer engineers. When performing service, each copier on the site must be

tested for safety. The customer engineer must verify the safety of parts and ensure appropriate

management of the equipment.

C-5 IP-421 PRINT CONTROLLER

Contents

CONTENTS

SAFETY AND IMPORTANT WARNING ITEMS ............................................ C-1

1. Overview

■Product specifications ................................................................................ 1-1

●IP-421 print controller ..................................................................................................... 1-1

■Product overview ........................................................................................ 1-3

●Capabilities of the IP-421 ................................................................................................ 1-3

●Startup sequence of the 7020 series + IP-421 system ................................................... 1-4

●Data processing of the IP-421 (See data flow) ............................................................... 1-4

●Data flow ......................................................................................................................... 1-5

■Option ......................................................................................................... 1-6

●KN-303 Network card ..................................................................................................... 1-6

● Hard Disk (HD-103) ........................................................................................................ 1-6

● Post Script 3 (PS-341) .................................................................................................... 1-6

2. Disassembly/Assembly

■Construction ............................................................................................... 2-1

■Disassembly / Assembly procedures.......................................................... 2-2

●Removal/Installation of boards........................................................................................ 2-2

●Expanding the memory (MU-403/MU-404/MU-405) ....................................................... 2-5

●Installation / Removal of HD-103 .................................................................................... 2-7

●Installation / Removal of PostScript 3 option (PS-341) ................................................... 2-9

3. Troubleshooting

■Troubleshooting .......................................................................................... 3-1

●Troubleshooting of the IP-421 and copier ....................................................................... 3-1

4. Appendices

■Upgrading Firmware ................................................................................... 4-1

●Rewriting the Flash ROM (via Parallel Port) ................................................................... 4-1

●Rewriting the Flash ROM (by removing it) ...................................................................... 4-4

●Comfirming Update ......................................................................................................... 4-2

●Replacing ROM .............................................................................................................. 4-6

■Functions of parts mounted on boards ....................................................... 4-7

●Connector ....................................................................................................................... 4-8

●Switch ............................................................................................................................. 4-8

●Jumpers .......................................................................................................................... 4-8

●Individual ICs’ functions .................................................................................................. 4-8

INDEX ..................................................................................................... Index-1

Overview

Bkank Page

1-1 IP-421 PRINT CONTROLLER

Chapter 1 Overview

■Product specifications

●IP-421 print controller

Type: Built in Konica 7020 series copy machine

Paper size: A3, A4, A5, B4, B5, B6, 11"X17", 8.5"x14", 8.5"x11", 5.5"x8.5"

Paper feeding: Same as copier

Output stack capacity: Same as copier

Mode: Possible dual mode of copy machine/printer (up to 5 jobs)

Next job reservation: Next copy job can be reserved during print job.

Specialprinting features:Printing on bothfaces, choice of papertype, zoom

function,choiceof papertray, choiceofoutput tray,

choice of print quality, Alternate function, sort/

group function, staple function, layout function,

front/back cover intersheet function, booklet func-

tion,smoothing function,page protectionfunction,

watermark function

Direction of printing: portrait, landscape

Resolution: 600 dpi

Scan Resolution: 600 dpi/400 dpi/300 dpi/200 dpi

Gradation: 2

Number of output pages: 1-999

Warm-up: Same as copier

CPU: Pentium MMX-166Mhz

Memory: 32MB (standard), expandable up to 160MB (option:MU-403 / MU-

404 / MU-405)

Cards: Controller board x1

PCI relay board x1

KN-303 Network card (option)

Option:Harddisk Drive (HD-103)

PS option (PS-341)

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