Konica Minolta DF-619 Bedienungsanleitung

SERVICE MANUAL

2010.01

Ver. 1.0

THEORY OF OPERATION

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Revision history

After publication of this service manual, the parts and mechanism may be subject to change for

improvement of their performance.

Therefore, the descriptions given in this service manual may not coincide with the actual machine.

When any change has been made to the descriptions in the service manual, a revised version will be

issued with a revision mark added as required.

Revision mark:

• To indicate clearly a section revised, is shown at the left margin of the revised section.

The number inside represents the number of times the revision has been made.

• To indicate clearly a page that contains the revision, is shown near the page number of the

corresponding page.

The number inside represents the number of times the revision has been made.

NOTE

Revision marks shown in a page are restricted only to the latest ones with the old ones deleted.

• When a page revised in Ver. 2.0 has been changed in Ver. 3.0:

The revision marks for Ver. 3.0 only are shown with those for Ver. 2.0 deleted.

• When a page revised in Ver. 2.0 has not been changed in Ver. 3.0:

The revision marks for Ver. 2.0 are left as they are.

2010/01 1.0 — Issue of the first edition

Date Service manual Ver. Revision mark Descriptions of revision

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DF-619

OUTLINE

CONFIGURATION/

OPERATION

Theory of Operation Ver. 1.0 Jan. 2010

CONTENTS

DF-619

OUTLINE

1. PRODUCT SPECIFICATIONS................................................................................ 1

2. SECTION CONFIGURATION.................................................................................. 4

3. PAPER PATH........................................................................................................... 4

CONFIGURATION/OPERATION

4. CONFIGURATION .................................................................................................. 5

5. DRIVE ..................................................................................................................... 6

6. OPERATION ........................................................................................................... 7

6.1 Paper feed section ................................................................................................ 7

6.1.1 Document feed tray ascent/descent control .................................................. 7

6.1.2 Original take-up control................................................................................. 9

6.1.3Original set detection .................................................................................... 9

6.1.4 Original size detection................................................................................. 10

6.2 Registration section ............................................................................................ 11

6.2.1 Registration control ..................................................................................... 11

6.3Read section....................................................................................................... 12

6.3.1 Reading transport control............................................................................ 12

6.3.2 Reading roller pressure/retraction control ................................................... 13

6.3.3DF original glass contamination prevention control .................................... 14

6.3.4 CISoriginal reading control......................................................................... 16

6.3.5 CIScontrol when sub-power switch isturned ON....................................... 18

6.3.6 CIScontrol when the document isloaded .................................................. 18

6.3.7 CIScontrol when the start key ispressed................................................... 19

6.3.8CISglass contamination prevention control ................................................ 21

6.3.9 CISpower control........................................................................................ 22

6.3.10 Guide set detection ..................................................................................... 22

6.4 Paper exit section ............................................................................................... 23

6.5 Paper path .......................................................................................................... 24

6.5.1 1-sided mode .............................................................................................. 24

6.5.2 2-sided mode .............................................................................................. 24

6.6 Open/close detecting section.............................................................................. 26

6.6.1 DF angle open/close detection ................................................................... 26

6.6.2 DF open/close detection ............................................................................. 26

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DF-619

OUTLINE

CONFIGURATION/

OPERATION

Theory of Operation Ver. 1.0 Jan. 2010

6.7 Fan control.......................................................................................................... 27

6.7.1 Function ...................................................................................................... 27

6.7.2 Control conditions....................................................................................... 27

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Theory of Operation Ver. 1.0 Jan. 2010 1. PRODUCT SPECIFICATIONS

OUTLINE DF-619

OUTLINE

1. PRODUCT SPECIFICATIONS

A. Type

B. Functions

C. Paper type

*1: For the combined original detection mode, refer to the mixed original feed chart.

Name Reverse automatic document feeder

Ty p e

Paper feed section Paper feed from top of stack

Image reading section Sheet-through system

Back side: Reading by CIS

Exit section Straight exit system

Installation Screw cramp to the main body

Document alignment Center

Document loading Face up

ModesStandard mode / Mixed original detection mode / FAX mode

Type of document

Standard mode

1-sided mode

35 to 210 g/m2(9.25 to 55.75 lb)

2-sided mode

50 to 210 g/m2(13.25 to 55.75 lb)

Mixed original detection mode 1-sided / 2-sided mode

50 to 128g/m2(13.25 to 34 lb)

FAX mode

1-sided mode

35 to 210 g/m2(9.25 to 55.75 lb)

2-Sided Mode

50 to 210 g/m2(13.25 to 55.75 lb)

Detectable document

size*1 Standard mode/FAX mode Metric area: B6Sto A3

Inch area: 5 1/2x 81/2to 11 x 17

Capacity 100 sheets(80 g/m2) or stack of 14 mm and below

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1. PRODUCT SPECIFICATIONSTheory of Operation Ver. 1.0 Jan. 2010

OUTLINE DF-619

D. Paper feed prohibited originals

• If fed, trouble occurrence will be highly possible.

E. Paper feed not guaranteed originals

• If fed, paper feed will be possible to some extent but trouble occurrence will be possible.

Type of originalPossible trouble

Sheetsstapled or clipped together Paper feed failure, damaged sheet, defective drive

mechanism due to jammed staplesor clips

Sheetsglued together Paper feed failure, damaged sheet

Book originalPaper feed failure, damaged sheet

Original weighing less than 35 g/m2(9.25 lb) or

210 g/m2(55.75 lb) or more Paper feed failure, transport failure

Sheetsfolded, torn or wrinkled Paper feed failure, damaged sheet,

transport failure

Sheetsseverely curled Sheetsmisfed due to being dog-eared or fed in

askew

OHP film (Transparency film) Paper feed failure, transport failure

Label paper Paper feed failure, transport failure

Offset master paper Paper feed failure, transport failure

Glossy photographic paper or glossy enamel

paper Transport failure, damaged sheet

Sheetsclipped or notched Damaged sheet, transport failure

Sheetspatched Patched part folded or torn sheet

Type of originalPossible trouble

Sheetslightly curled (Curled amount: 10 to 15 mm) Dog-eared, exit failure, transport failure

Heat sensitive paper Edge folded, exit failure, transport failure

Ink jet paper Paper feed failure, transport failure

Sheetswith smooth surface (Coated paper) Paper feed failure, transport failure

Intermediate paper Paper feed failure, transport failure

Paper immediately after paper exit from the main unit Paper feed failure, transport failure

Paper with many punched holes(e.g., loose leaf) limited

to vertical feeding Multi-page feed due to flashesfrom holes

Sheetswith 2 to 4 holesTransport failure

Sheetstwo-folded or Z-folded Transport failure, image deformation

Sheetswith rough surface (e.g., letterhead) Paper feed failure

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Theory of Operation Ver. 1.0 Jan. 2010 1. PRODUCT SPECIFICATIONS

OUTLINE DF-619

F. Mixed original feed chart

For metric

For inch

G. Machine specifications

H. Operating environment

Conformsto the operating environment of the main body.

NOTE

• These specifications are subject to change without notice.

Max. original

size 297 mm 257 mm 210 mm 182 mm 148mm 128mm

Mixed original size A3A4 B4 B5 A4SA5 B5SA5SB6S

297 mm A3OKOK----- - -

A4 OKOK----- - -

257 mm B4 OK OK OK OK - - - - -

B5 OK OK OK OK - - - - -

210 mm A4SOK OK OK OK OK OK - - -

A5 NG NG OK OK OK OK - - -

182 mm B5SNG NG OK OK OK OK OK - -

148mm A5SNG NG NG NG NG NG NG OK -

128mm B6SNG NG NG NG NG NG NG OK OK

Max. original size 11 81/25 1/2

Mixed original size 11 x 17 81/2x 11 81/2x 14 81/2x 11S5 1/2x 81/25

1/2x 81/2S

11 11 x 17 OK OK - - - -

81/2x 11 OK OK - - - -

81/2

81/2x 14 OK OK OK OK OK -

81/2x 11SOK OK OK OK OK -

5 1/2x 81/2NG NG OK OK OK -

5 1/25 1/2x 81/2SNG NG NG NG NG OK

OK Mixed original feed available (Tilted with in 1.5% or less)

NG No. mixed original feed

-Can not set original

Power requirements

DC 24 V (supplied from the main body)

DC 15 V (CIS: supplied from the main body)

DC 5 V (supplied from the main body)

Max. power

consumption 80 W or less

Dimensions618mm (W) x 576 mm (D) x 130 mm (H)

24.33 inch (W) x 22.68inch (D) x 5.12 inch (H)

Weight 18.0 kg (39.68lb)

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2. SECTION CONFIGURATION Theory of Operation Ver. 1.0 Jan. 2010

OUTLINE DF-619

2. SECTION CONFIGURATION

3. PAPER PATH



A108T2C505AA

Paper feed section

Read section

Registration section

Paper exit section

A108T2C506AA

Feed tray

Exit tray

Front side (scanner original read position)

Back side (CISoriginal read position)

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Theory of Operation Ver. 1.0 Jan. 2010 4. CONFIGURATION

CONFIGURATION/

OPERATION DF-619

CONFIGURATION/OPERATION

4. CONFIGURATION

A108T2C501AA

A108T2C502AA

A108T2C001DA

Transportation cover Document feed tray

Document guide Original read section

Separation roller

Feed roller

Reading roller 1

Exit roller

Registration roller

Reading roller 2

Pick-up roller

Conveyance roller

Reading roller 3

CISmodule (CIS)

CISpower supply (CISPU)

CISinverter board (CINVB)

DF control board (DFCB)

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5. DRIVE Theory of Operation Ver. 1.0 Jan. 2010

DF-619

CONFIGURATION/

OPERATION

5. DRIVE

A108T2C002DA

Take-up motor (M2)

Registration motor (M3)

Exit motor (M4)

Reading motor (M1)

Lift-up motor (M5)

Reading roller pressure/retraction

motor (M6)

Front side cleaning motor (M8)

Take-up clutch (CL1)

Back side cleaning motor (M7)

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