Konica 7045 User Manual

SERVICE MANUAL

MODEL

7045

NOVEMBER 2000

CSM-7045

7045

SERVICE MANUAL

NOVEMBER 2000

IMPORTANT NOTICE

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

Changes may have been made to this equipment to improve its performance after this service manual was printed. Accordingly, Konica Business Technologies, Inc., makes no representations or warranties, either expressed or implied, that the information contained in this service manual is complete or accurate. It is understood that the user of this manual must assume all risks or personal injury and/or damage to the equipment while servicing the equipment for which this service manual is intended.

Corporate Publications Department

Printed in U.S.A.

CONTENTS

SAFETY AND IMPORTANT WARNING ITEMS ........... vii

IMPORTANT NOTICE ................................................... vii

DESCRIPTION ITEMS FOR DANGER, WARNING

AND CAUTION............................................................... vii

SAFETY WARNINGS ................................................... viii

SAFETY INFORMATION................................................. x

IMPORTANT INFORMATION ......................................... x

SAFETY CIRCUITS ........................................................ xi

INDICATION OF WARNING ON THE MACHINE........ xii

7045 SYSTEM CONFIGURATOR ................................ xv

MAINBODY SECTION

1. OUTLINE

OUTLINE OF SYSTEM ........................................1-A-1

7045 PRODUCT SPECIFICATIONS...................1-A-2

CENTER CROSS-SECTIONAL VIEW ................1-A-4

DRIVE SYSTEM DIAGRAM.................................1-B-1

[1] Main Drive ............................................1-B-1

[2] Drum / Toner Recycle Drive................1-B-2

[3] Developing Drive..................................1-B-3

[4] By-pass Paper Feed / 1st Paper

Feed Drive ............................................1-B-4

[5] ADU Drive.............................................1-B-5

[6] Reversal / Paper Exit Drive .................1-B-6

[7] Read Unit Drive....................................1-B-7

[8] Toner Supply Drive ..............................1-B-8

2. UNIT EXPLANATION

EXTERNAL SECTION..........................................2-A-1

[1] Composition..........................................2-A-1

DRIVE SECTION..................................................2-B-1

[1] Composition..........................................2-B-1

[2] Mechanisms .........................................2-B-1

[3] M1 (Main) Control ................................2-B-2

[4] M4 (Drum) Control ...............................2-B-3

READ SECTION .................................................. 2-C-1

[1] Composition......................................... 2-C-1

[2] Mechanisms ........................................ 2-C-1

[3] M2 (Scanner) Control ......................... 2-C-2

[4] Exposure Control ................................ 2-C-4

[5] Original Read Control ......................... 2-C-5

[6] APS Control......................................... 2-C-5

[7] AE Control ........................................... 2-C-7

WRITE UNIT ........................................................ 2-D-1

[1] Composition......................................... 2-D-1

[2] Mechanisms ........................................ 2-D-1

[3] M5 (Polygon) Control.......................... 2-D-2

[4] Image Write Control............................ 2-D-3

DRUM UNIT..........................................................2-E-1

[1] Composition..........................................2-E-1

[2] Mechanisms .........................................2-E-1

[3] PCL/TSL Control ..................................2-E-2

[4] Separation Claw Control......................2-E-2

[5] Transfer Entrance Guide Plate Control ..2-E-3

CORONA UNIT SECTION ...................................2-F-1

[1] Composition..........................................2-F-1

[2] Mechanisms .........................................2-F-1

[3] Charging Control..................................2-F-2

[4] Transfer/Separation Control................2-F-3

DEVELOPING UNIT............................................ 2-G-1

[1] Composition.........................................2-G-1

[2] Mechanisms ........................................ 2-G-1

[3] M3 (Developing) Control.....................2-G-2

iii

CONTENTS

[4] Developing Bias Control.....................2-G-3

[5] Toner Density Control ........................2-G-4

[6] Dmax Control ..................................... 2-G-6

[7] Gradation Correction Control .............2-G-7

TONER SUPPLY UNIT ...................................... 2-H-1

[1] Composition ....................................... 2-H-1

[2] Mechanisms ....................................... 2-H-1

[3] Toner Level Detection Control ........... 2-H-3

CLEANING/TONER RECYCLE UNIT ................. 2-I-1

[1] Composition ........................................ 2-I-1

[2] Mechanisms ........................................ 2-I-1

PAPER FEED UNIT ............................................ 2-J-1

[1] Composition ........................................ 2-J-1

[2] Mechanisms ........................................2-J-2

[3] Paper Feed Control.............................2-J-3

[4] Paper Up-down Control.......................2-J-5

[5] Paper Size Detection Control..............2-J-6

[6] No Paper Detection Control ................2-J-7

FIXING UNIT ...................................................... 2-K-1

[1] Composition ....................................... 2-K-1

[2] Mechanisms ....................................... 2-K-1

[3] Fixing Temperature Control ............... 2-K-2

REVERSAL AND PAPER EXIT SECTION......... 2-L-1

[1] Composition ....................................... 2-L-1

[2] Mechanisms ....................................... 2-L-1

[3] Reversal Paper Exit Control............... 2-L-3

ADU SECTION .................................................. 2-M-1

[1] Composition ...................................... 2-M-1

[2] Mechanisms ...................................... 2-M-1

[3] Conveyance Control.......................... 2 -M-3

OTHER KINDS OF CONTROL .......................... 2-N-1

[1] Parts Through Which Current Flows

When the Main Switch is

Turned OFF........................................ 2-N-1

[2] Parts That Operate When the Power

Switch is Turned ON .......................... 2-N-2

[3] Fan Control ......................................... 2-N-4

[4] Operation Panel Control..................... 2-N-5

[5] Counter Control.................................. 2-N-7

[6] Option Control .................................... 2-N-8

3. DISASSEMBLY/ASSEMBLY

EXTERNAL SECTION ....................................... 3-A-1

[1] Replacing the Ozone Filter................. 3-A-1

[2] Removing and Reinstalling the

Rear Cover ......................................... 3-A-2

[3] Replacing the Fixing Filter.................. 3-A-2

[4] Removing and Reinstalling the

Side Cover (right) ............................... 3-A-2

DRIVE SECTION ............................................... 3-B-1

[1] Disassembly and Reassembly ........... 3-B-1

READ SECTION ................................................ 3-C-1

[1] Screws That Must Not Be Removed ... 3-C-1 [2] Removing and Reinstalling the

CCD Unit ............................................3-C-1

[3] Replacing the Exposure Lamp (L1).... 3-C-3

[4] Removing and Reinstalling the

Exposure Unit ..................................... 3-C-4

[5] Removing the Optics Wire.................. 3-C-7

[6] Installing the Optics Wire.................. 3-C-10

WRITE UNIT ......................................................3-D-1

[1] Removing and Reinstalling the

Write Unit............................................ 3-D-1

[2] Cleaning the Dust-proof Glass ...........3-D-3

DRUM UNIT ....................................................... 3-E-1

[1] Removing and Reinstalling the

Drum Unit ........................................... 3-E-1

[2] Removing and Reinstalling

the Drum............................................. 3-E-2

[3] Removing and Reinstalling the

Separation Claws ............................... 3-E-4

CORONA UNIT SECTION ................................. 3-F-1

[1] Removing and Reinstalling the

Charging Corona Unit and PCL ......... 3-F-1

[2] Removing and Reinstalling the

Transfer and Separation Corona Unit 3-F-1 [3] Removing and Reinstalling the

Charging the Control Plate ................. 3-F-2

[4] Replacing the Charging Wire ............. 3-F-3

[5] Replacing the Transfer and

Separation Wires................................ 3-F-3

[6] Replacing the Charging Wire

Cleaning Block (C) and (D) ................ 3-F-4

DEVELOPING UNIT........................................... 3-G-1

[1] Screws That Must Not Be Removed ... 3-G-1 [2] Removing and Reinstalling the

Developing Unit ..................................3-G-1

[3] Replacing the Developer....................3-G-2

TONER SUPPLY UNIT ...................................... 3-H-1

[1] Removing and Reinstalling the

Toner Cartridge .................................. 3-H-1

CLEANING/TONER RECYCLE UNIT ................. 3-I-1

[1] Removing and Reinstalling the

Cleaning Blade .................................... 3-I-1

PAPER FEED UNIT ............................................ 3-J-1

[1] Removing and Reinstalling the

By-pass Paper Feed Unit ....................3-J-1

[2] Removing and Reinstalling the

Paper Feed Unit ..................................3-J-1

[3] Replacing the By-pass Paper

Feed Rubber .......................................3-J-2

[4] Replacing the By-pass Separation

Rubber.................................................3-J-3

[5] Replacing the By-pass Double Feed

Prevention Rubber ..............................3-J-3

[6] Replacing the Feed Rubber and

Paper Feed Rubber.............................3-J-4

[7] Removing and Reinstalling the

Double Feed Prevention Roller ...........3-J-5

CONTENTS

[8] Removing and Reinstalling the

2nd Paper Feed Unit ...........................3-J-5

[9] Replacing the Registration Rollers

(upper/lower) .......................................3-J-6

FIXING UNIT ...................................................... 3-K-1

[1] Removing and Reinstalling the

Fixing Unit .......................................... 3-K-1

[2] Replacing the Fixing Heater

Lamps 1 and 2 (L2 and L3) ................ 3-K-1

[3] Replacing the Fixing Cleaning Roller,

Fixing Roller (A) and Fixing

Cleaning Pad ...................................... 3-K-2

[4] Removing and Reinstalling the

Fixing Roller (upper)........................... 3-K-3

[5] Removing and Reinstalling the

Fixing Claw (upper) ............................ 3-K-4

[6] Removing and Reinstalling the

Paper Exit Roller Unit (lower) ............. 3-K-5

[7] Removing and Reinstalling the

Fixing Claw (lower)............................. 3-K-5

[8] Removing and Reinstalling the

Fixing Roller (lower) ........................... 3-K-6

[9] Removing and Reinstalling the

Fixing Temperature Sensor 1 and 2

(TH1 and TH2) ................................... 3-K-7

[10] Removing and Reinstalling the

Thermostat (TS) ................................. 3-K-8

REVERSAL AND PAPER EXIT SECTION......... 3-L-1

[1] Removing and Reinstalling the

Reversal and Paper Exit Unit ............. 3-L-1

ADU SECTION ................................................... 3-M-1

[1] Removing and Reinstalling the ADU ... 3-M-1

SERVICE SECTION

1. ADJUSTMENT

HOW TO USE THE ADJUSTMENT SECTION......1-1

[1] Construction ...........................................1-1

ADJUSTMENTS WHEN REPLACING PARTS ......1-1

LIST OF ADJUSTMENT ITEMS ............................1-2

MODE SELECT MENU ..........................................1-3

[1] Setting Method .......................................1-3

CHECK OF COUNT VALUE WITH P MODE ......... 1-4

[1] How to Use P Mode ............................... 1 -4

25 MODE................................................................ 1 - 5

[1] Setting Method .......................................1-6

[2] Setting Software SW ..............................1-6

[3] Paper Size Setting................................1-17

[4] PM Count Setting .................................1-18

[5] Collecting Data ..................................... 1-19

[6] Parts Counter .......................................1-24

[7] Password Setting .................................1-28

[8] Setting Phone Number of the

Service Center......................................1-29

[9] Setting the Serial Number ....................1-30

[10] Displaying the ROM Version ................1-31

[11] KRDS Setting .......................................1-31

[12] ISW Setting...........................................1-31

[13] Root Counter Display ...........................1-31

[14] Setting Date.......................................... 1-31

36 MODE.............................................................. 1-32

[1] Setting Method .....................................1-36

[2] High Voltage Adjustment...................... 1-36

[3] Timing Adjustment ................................1-38

[4] Running Test Mode..............................1-48

[5] Test Pattern Output..............................1-49

[6] Density Adjustment .............................. 1-56

[7] Image Quality Adjustment ....................1-56

[8] List Print ................................................ 1-63

[9] Adjustment of RADF.............................1-64

47 MODE.............................................................. 1-78

[1] 47 Mode Setting Method ......................1-78

[2] Initial Setting in the Field ......................1-79

[3] Drum Count Reset................................1-79

[4] RADF Original Size Detection

Adjustment ...........................................1-79

[5] E-RDH Memory Check.........................1-80

[6] RADF Sensor Adjustment ....................1-80

[7] Input Check (code) List ........................1-81

[8] Output Check (code) List ...................... 1-83

OTHER ADJUSTMENTS .....................................1-87

[1] Centering Adjustment........................... 1-87

[2] Adjusting the Inclination of the

Paper Tray (DB-608) ............................ 1-88

[3] Image Distortion Adjustment ................1-89

CONTENTS

[4] Paper Skew Adjustment .......................1-90

[5] RADF Skew Adjsutment (DF-315) .......1-91

[6] RADF [7]

Paper Skew Adjustment (DF-315) ...

Tray 2/3 Belt Tension Adjustmentt (FS-109)

2. ISW

ISW.........................................................................2-1

[1] Boards that Support ISW........................2-2

[2] Operating Method ...................................2-2

3. KRDS

KRDS .....................................................................3-1

[1] Specifications .........................................3-1

[2] KRDS Setting ......................................... 3-1

[3] KRDS Set up ..........................................3-2

[4]

Calling Time Set Menu Mode (Arbitrary)....

[5] A Point to Notice for Operation.............3-16

[6] ASCII Code Table ................................ 3-17

[7] Error Code Table.................................. 3-18

4. SERVICE

SERVICE SCHEDULE ...........................................4-1

[1] Service Schedule ................................... 4 -1

[2] Maintenance Items ................................. 4- 2

[3] Main Body Periodic Check .....................4-6

[4] RADF [DF-315] ....................................... 4 -7

[5] DB [DB-208] ...........................................4-7

[6] DB [DB-608] ...........................................4-7

[7] FNS [FS-109] ......................................... 4 -7

[8] Actual Count Replacement Parts ...........4 -8

COPY MATERIALS .............................................. 4-10

[1] PM Parts Kit Composition .................... 4-10

SERVICE MATERIALS LIST................................4-12

SPECIAL TOOLS LIST ........................................4-13

1-92

1-93

3-13

5. DIAGRAMS/TIMING CHARTS

7045 ELECTRICAL PARTS LAYOUT DRAWING...5-1

7045 CONNECTOR LAYOUT DRAWING .............5-4

7045 TIMING CHART (8.5X11, LIFE SIZE, MANUAL DENSITY, TWO COPIES,

DB MIDDLE TRAY PAPER FEED) ...................... 5-11

7045 TIMING CHART (ADF ORIGINAL, 8.5X11, LIFE SIZE, AES, TWO COPIES, TRAY 1

PAPER FEED) ......................................................5-12

ADU TIMING CHART (8.5X11, LIFE SIZE,

THREE COPIES) .................................................5-13

6. JAM/ERROR CODES

JAM CODE LIST ....................................................6-1

ERROR CODE LIST ..............................................6-5

7. APPENDIX

7045 OVERALL WIRING DIAGRAM (1/4).. Appendix-1 7045 OVERALL WIRING DIAGRAM (2/4).. Appendix-2 7045 OVERALL WIRING DIAGRAM (3/4).. Appendix-3 7045 OVERALL WIRING DIAGRAM (4/4).. Appendix-4

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 copier, as well as the risk of damage to the copier, Konica Corporation, strongly recommends that all servicing be performed only by Konica-trained service technicians.

Changes may have been made to this copier to improve its performance after this Service Handbook was printed. Accordingly, Konica Corporation, makes no representations or warranties, either expressed or implied, that the information contained in this Service Handbook is complete or accurate. It is understood that the user of this Service Handbook must assume all risks or personal injury and/ or damage to the copier while servicing the copier for which this Service Handbook is intended. Therefore, this Service Handbook must be read carefully before doing service work both in the course of the technical training and even after that, for keeping the correct maintenance and control of the copier. Keep this Service Handbook also for the 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.

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 maintenance) need to be conducted with utmost care.

DANGER: Actions having a high possibility of suffering death or seri-

ous 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

vii

SAFETY AND IMPORTANT WARNING ITEMS

SAFETY WARNINGS

[1] 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 of degrading 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 :

(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, leading 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 cir-

cuits, 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.

1. Advance Preparation for 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 equipment from the AC outlet.

Simply turning off the power switch is not sufficient,

because paper feed units or other electrical equip-

ment may be powered also when the power switch

is turned off. (4) Proceed with special care when performing opera-

tion checks or adjustment while the unit is powered.

When carrying out operation checks or adjustment

while external covers are removed, the risk of elec-

trical 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.

2. Safety Checkpoints

The following list is not exhaustive, but it includes actions which must be carried out at every on-site service.

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) Check power cord for insulation problems (conduc-

tor must not be exposed). (5) Check power cord and cable ties etc. for loosening

from frame.

[2] Checkpoints When Performing On-site

Service

Konica copiers are extensively tested before shipping, to ensure that all applicable safety standards are met, in order to protect the customer and customer engineer 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 customer engineer must perform regular safety checks.

WARNING:

(1) Verify that the copier is properly grounded. If a

problem is detected, establish a proper ground

connection. (2) Connecting the ground lead to an improper point

such as listed below results 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

viii

3. Description of Safety Checks

CAUTION:

(1) Before performing safety check work, read all rel-

evant documentation (service handbook, technical notices, etc.) and proceed according to the prescribed 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 sections, short- circuits 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. Otherwise 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, compo-

nents, wiring, connectors, etc. that were removed for safety check 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 write unit or

any parts that use a laser, make sure that the power cord has been disconnected.

(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 batteries according to the manufacture's instructions.

VORSICHT:

Expiosionsgefahr dei unsachegemäßem Austausch der Battetie. Ersatz nur durch denselben oder einen vom. Hersteller empfohlenen gleichwertigen Typ. Entsorgung gebrauchter Batterien nach Angaben des Herstellers.

SAFETY AND IMPORTANT WARNING ITEMS

[3]

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 follow-

ing precautions. (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) Perform cleaning only in an environment where

sufficient ventilation is 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 fully evaporated.

CAUTION: Toner and developer are not harmful

substances, but care must be taken not

to breathe excessive amounts or let the

substances come into contact with eyes

etc. It may be stimulative. If the sub-

stances get in the eye, rinse it with

plenty of water immediately. When

symptoms are noticeable, consult a

physician.

[4] 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 accidents, con-

sult your superior, and follow the regulations set in "Standards for the Control Program for Measures Against Electrical Equipment Accidents".

[5] Conclusion

(1) Safety of users and customer engineers depends highly

on accurate maintenance and administration. Therefore, safety can be maintained by the appropriate by the proper daily service work conducted by the customer engineer.

(2) 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.

SAFETY AND IMPORTANT WARNING ITEMS

SAFETY INFORMATION IMPORTANT INFORMATION

The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration implemented regulations for laser products manufactured since August 1, 1976. Compliance is mandatory for products marketed in the United States.

This copier is certified as a "Class 1" laser product under the U.S. Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Radiation Control for Health and Safety Act of 1968. Since radiation emitted inside this copier is completely confined within protective housings and external covers, the laser beam cannot escape during any phase of normal user operation.

SAFETY CIRCUITS

SAFETY AND IMPORTANT WARNING ITEMS

This unit incorporates the following electrical safety circuits to guard against the risk of accidents in case of any malfunction.

[1] Overall protection circuit

[2] L2/L3 (fixer heater lamps) overheat protection circuit Operation principles of these safety circuits are described below. It is necessary to understand this information fully, in order to prevent mistakes during servicing.

[1] Overall protection circuit

LBR

1. LBR (line breaker) protection

When an excessively large current flows due to a short-

circuit in the AC line, the AC line itself is instantly cut off

due to the action of this circuit breaker.

[2] L2/L3 (fixer heater lamps) overheat

protection circuit

DCPS1CB

RL1

PRDB

RL1

TH2TH1

Control section

1. Software protection

The output voltage of TH1 (fixer temperature sensor 1) is constantly read by the CPU. If the voltage becomes abnormal, L2 (fixer heater lamp 1), L3 (fixer heater lamp

2), and RL1 (main relay) are set to OFF.

CAUTION: The clearance between the roller and

TH1 may not be altered. After replacement, verify that dimensions correspond to specifications. RL1 may not be disabled under any circumstances.

AC driver section

CAUTION: The line breaker must not be disabled

under any circumstances.

2. Hardware protection

The output voltages of TH1 and TH2 (fixer temperature sensors) are compared to a reference voltage in the comparator circuit. If the voltage exceeds the threshold, L2, L3, and RL1 are set to OFF in hardware.

CAUTION: Periodically check the roller contact area

of TH2 and replace the sensor if any problem is detected. Since the TH1 is non-contact, check the distance from the roller and installing orientation of the sensor when an abnormality has occurred. RL1 may not be disabled under any circumstances.

3. TS (thermostat) protection

If the fixer roller temperature exceeds the threshold, TS goes OFF and directly cuts power to L2 and L3.

CAUTION: TS may not be replaced by any other

conductor. Do not change the distance between the TS and roller.

SAFETY AND IMPORTANT WARNING ITEMS

INDICATION OF WARNING ON THE MACHINE

The caution labels are attached to the machine areas, as shown below, where you are advised to pay special attention to avoid any dangerous situations or serious injury.

ATTENTION

CAUTION

High temperature!

Do not touch. Use care when clearing paper.

Température élevée!

Risque de brûlure. Soyez prudent en retirant la feuille coincée.

VORSICHT

Heiße Oberfläche!

Brandverletzungsgefahr. Bei Beseitigung von Papierstaus vorsichtig vorgehen.

CAUTION

This internal area is very hot. To avoid getting burned DO NOT TOUCH.

PRECAUCION

¡Temperatura alta!

No tocar. Tener cuidado al remover el papel.

ATTENZIONE

Alta temperatura!

Non toccare. Agire con prudenza nel rimuovere la carta.

CAUTION

ATTENTION VORSICHT

CAUTION ATTENTION VORSICHT

PRECAUCION ATTENZIONE

CAUTION

DO NOT INSERT your finger into the two RADF hinge portions, otherwise you may be injured.

WARNING

This area generates high voltage. If touched, electrical shock may occur. DO NOT TOUCH!

CAUTION:

If you carry out work on the machine without reading these warning labels, an unexpected accident may occur, resulting in possible blindness. DO NOT REMOVE these warning labels. Do not remove caution labels. If any caution label or caution indicator is soiled, clean the label. If you cannot make it legible or if the caution label is removed, please contact your Service Centre.

xii

WARNING

WARNUNG

ADVERTENCIA

AVVERTIMENTO

DANGER

Unplug the machine before removing platen glass.

Vor Entfernen des Vorlagenglases Netzstecker ziehen.

Desenchufe la máquina antes de quitar el vidrio.

Estrarre la spina dalla presa prima di rimuovere il vetro di esposizione.

Débrancher le copieur abant de retirer la vitre d’exposition.

SAFETY AND IMPORTANT WARNING ITEMS

CAUTION:

You may be burned or injured if you touch any area that you are advised by any caution label to keep yourself away from. Do not remove caution labels. If any caution label or caution indicator is soiled, clean the label. If you cannot make it legible or if the caution label is removed, please contact your Service Centre.

xiii

SAFETY AND IMPORTANT WARNING ITEMS

CAUTION:

DO NOT INSERT your finger into the two staple driving portions or into the grooves of the paper exit lever, otherwise you may be injured.

CAUTION:

To avoid injury when the Finisher middle exit tray moves up and down, DO NOT PUT your hand into the two portions of the closing area.

FS-109 Finisher

CAUTION:

xiv

SAFETY AND IMPORTANT WARNING ITEMS

7045

MAINBODY

SECTION

OUTLINE

OUTLINE OF SYSTEM

CB(Control board)

Expansion memory unit [MU-403/404/405]

OUTLINE OF SYSTEM

Top

Back

Printer controller [IP-431]

Finisher [FS-109]

Main body [7045]

Key counter

Hard disk [HD-103]

PostScript [PS-342]

Network board [KN-303]

Expansion memory unit for printer [MU-403/404]

PFU 3 trays [DB-208]

PFU 1 tray [DB-208A]

1-A-1

PFU 1 tray + LCT [DB-608]

7045 PRODUCT SPECIFICATIONS

1. Type

Type: Semi-console type Copying method: Indirect electrostatic method Original table method:

Fixed

Photosensitive material:

OPC

Sensitizing method: Laser writing Paper feed trays: One stacked tray

(500 sheets; 21 lb) Multisheet by-pass tray

(100 sheets; 21 lb) PFU (500 sheets/tray, 21 lb

x 1 tray, or 3 trays)*1 LCT (1500 sheets; 21 lb)*1 *1: Option

2. Functions

Originals: Sheets; book; solid object Original size: A3 max. Copy sizes: 11 x 17, 8.5 x 14,

8.5 x 11, 5.5 x 8.5

ADU usable paper size:

11 x 17, 8.5 x 14,

8.5 x 11, 8.5 x 11R,

Magnification:

Fixed magnifications:

x0.50, x0.65, x0.77, x1.00, x1.29, x1.55, x2.00

Special ratio: Three kinds. Zoom magnifications:

x0.25 to x4.00 (1% steps)

Vertical magnifications:

x0.25 to x4.00 (1% steps)

Horizontal magnifications:

x0.25 to x4.00 (1% steps)

Warm-up time: Within 90 seconds (at 20½C,

at rated voltage)*1 *1 Warm-up time differs de-

pending on the Power Source (Voltage).

First copy out time: Approx. 3.9 seconds

* When using face-up paper

exit, manual mode, platen mode and tray 1 are in use.

Continuous copy speed (life size copies/min):

Size CPM

8.5x11 45

Continuous copy count:

1 to 999

Copy density selections:

manual (9 steps), AES Arbitrary density (2 modes)

Resolution: 600 dpi x 600 dpi E-RDH memory: Standard 32 MB

Maximum 288 MB

Application functions:

Sheet/Cover Insertion, Chapter, Combination (2-in-1, 4-in-1, 8-in-1), Booklet, Special paper, Image Insert, Dual page, Special Original, Text/Photo Enhance (text/photo/Increase), Reverse Image, Repeat, Frame/Fold Erasure, Auto Layout, Image Shift, Non-image Area Erase, memory function, density monitor, single step copy, density shift, printing function, copy reservation, original rotation, weekly timer, job memory, KRDS

3. Applicable copy paper

Plain paper: 16 to 24 lb high-quality paper Special paper: Label paper

(by-pass feed only) OHP film

Blueprint-master paper 13 to 16 lb high-quality paper 24 to 35 lb high-quality paper

1-A-2

4. Options

Finisher: FS-109 Drawer base unit: DB-208 (500 x 3 trays)

DB-208A (500 x 1 tray) DB-608 (500 X 1 tray + 1500 LCT)

Key counter Expansion memory unit

Printer controller: IP-431 Hard disk: HD-103 Network board: KN-303 PostScript: PS-342

: MU-403 (32MB DIMM)

MU-404 (64MB DIMM) MU-405 (128MB DIMM)

5. Particulars of machine

Power supply: 120 VAC ±10.0% Power consumption: Max. 1500W (Full option) Weight: Approx. 229 lbs. Machine dimensions: Width: 25.5 in.

Depth: 27.75 in. Height: 29.3 in.

7045 PRODUCT SPECIFICATIONS

6. Maintenance and Life

Maintenance: Every 100,000 copies

7. Consumables

Developer: Common with Konica 7033/7040 Toner: Common with Konica 7040 Drum: Common with Konica 7033/7040 (φ60)

8. Environmental conditions

Temperature: 50°C to 86°C Humidity: 10% to 80%RH

Note: Specifications are subject to change without notice.

1-A-3

CENTER CROSS-SECTIONAL VIEW

DF-315 (standard)

CB (control board)

Exposure lamp

Charging corona section

Slit glass

PCL

Image write section

Cleaning unit

Fixing unit

Original image read position

Image read section ICB (image control board)

Developing section

2nd paper feed section

Reversal/Paper exit unit

ADU section

Tray 1

Conveyance section

Separation corona section

TSL

By-pass tray

Transfer corona section

Paper feed section

1-A-4

DRIVE SYSTEM DIAGRAM

[1] Main Drive

Registration MC (MC1)

DRIVE SYSTEM DIAGRAM

Main motor (M1)

Registration roller (upper)

Registration roller (lower)

Conveyance belt

Fixing roller (upper)

Fixing roller (lower)

1-B-1

DRIVE SYSTEM DIAGRAM

[2] Drum / Toner Recycle Drive

Drum motor (M4)

Drum

Separation claw swing gear

Toner conveyance screw

Toner recycle screw

1-B-2

[3] Developing Drive

Developing motor (M3)

Developing MC (MC2)

DRIVE SYSTEM DIAGRAM

Developing drive input gear (1)

Developing drive input gear (2)

Agitator screw

Developing sleeve

Agitator wheel

1-B-3

DRIVE SYSTEM DIAGRAM

[4] By-pass Paper Feed / 1st Paper Feed Drive

1st paper feed motor (M6)

By-pass SD (SD4)

By-pass paper feed roller

By-pass double feed prevention roller

By-pass separation roller

Paper feed pulley

Tray motor (M8)

Paper feed pulley

Registration paper feed roller

Paper conveyance pulleys

Separation roller

Paper feed roller

Double feed prevention roller

1-B-4

[5] ADU Drive

DRIVE SYSTEM DIAGRAM

Conveyance roller (B)

Conveyance roller (C)

Registration roller (upper)

Registration roller (lower)

ADU paper feed motor (M501)

ADU restart MC (MC501)

ADU loop MC (MC502)

Conveyance roller (A)

ADU feed MC (MC503)

1-B-5

DRIVE SYSTEM DIAGRAM

[6] Reversal / Paper Exit Drive

Gate SD (SD5)

Reversal/paper exit motor (M12)

Paper exit rollers

Paper exit reversal rollers

Reversal rollers

Conveyance rollers

Switching guide

1-B-6

[7] Read Unit Drive

DRIVE SYSTEM DIAGRAM

Scanner motor (M2)

Exposure unit

Optics wire (rear)

V-mirror unit

Optics wire (front)

1-B-7

DRIVE SYSTEM DIAGRAM

[8] Toner Supply Drive

Toner supply motor 1 (M10)

Toner supply motor 2 (M11)

Toner cartridge drive coupling

Agitator plate

Toner conveyance screw

1-B-8

+ 283 hidden pages