Konica Minolta AD-504 User manual

SERVICE MANUAL
2005.04
Ver. 1.0
AD-504
THEORY OF OPERATION
bizhub_162_210_TO.book 1 ページ ２００５年４月１８日 月曜日 午後１時２７分

bizhub_162_210_TO.book 2 ページ ２００５年４月１８日 月曜日 午後１時２７分

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, show to the left of the revised section.
A number within represents the number of times the revision has been made.
• To indicate clearly a section revised, show in the lower outside section of the correspond-
ing page.
A number within 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.
1
1
1
1
2005/04 1.0 — Issue of the first edition
Date Service manual Ver. Revision mark Descriptions of revision
bizhub_162_210_TO.book 1 ページ ２００５年４月１８日 月曜日 午後１時２７分

bizhub_162_210_TO.book 2 ページ ２００５年４月１８日 月曜日 午後１時２７分

AD-504OutlineComposition/Operation
Theory of Operation Ver. 1.0 Apr. 2005
i
CONTENTS
Outline
1. Product specification ............................................................................................... 1
Composition/Operation
2. Duplex Unit (AD-504) .............................................................................................. 3
2.1 Construction ......................................................................................................... 3
2.2 Operation .............................................................................................................. 4
2.3 Electric Parts Layout............................................................................................. 4
2.4 Switchback Operation........................................................................................... 5
2.5 2-sided Copying with a Single Sheet of Paper Resident in the Unit ..................... 6
2.5.1 Operation ...................................................................................................... 6
2.6 2-sided Copying with Two Sheets of Paper Resident in the Unit .......................... 7
2.6.1 Operation ...................................................................................................... 7
bizhub_162_210_TO.book i ページ ２００５年４月１８日 月曜日 午後１時２７分

AD-504
OutlineComposition/Operation
Theory of Operation Ver. 1.0 Apr. 2005
ii
Blank page
bizhub_162_210_TO.book ii ページ ２００５年４月１８日 月曜日 午後１時２７分

Theory of Operation Ver. 1.0 Apr. 2005 1. Product specification
1
AD-504Outline
Outline
1. Product specification
Name Duplex Unit
Type Sheet duplex paper take-up section
Installation Installed to the right side door
Paper Size A3, A4 R, A4, A5 R, A5, B4, B5 R, B5, FLS, Ledger, Legal, Letter,
Invoice R, Invoice
Paper Type Plain paper (60 to 90 g/m2), recycled paper (60 to 90 g/m2)
Document Alignment Center
Power Requirements DC24 V (supplied from the copier)
DC5 V
Max. Power Consumption 9 W or less
Dimensions Width = 412 mm
Depth = 215 mm
Height = 88 mm
Mass 2.5 kg (Duplex Unit + Manual Bypass Assy
Operating Environment Conforms to that of the copier
bizhub_162_210_TO.book 1 ページ ２００５年４月１８日 月曜日 午後１時２７分

1. Product specification Theory of Operation Ver. 1.0 Apr. 2005
2
AD-504
Outline
Blank page
bizhub_162_210_TO.book 2 ページ ２００５年４月１８日 月曜日 午後１時２７分

Theory of Operation Ver. 1.0 Apr. 2005 2. Duplex Unit (AD-504)
3
AD-504Composition/Operation
Composition/Operation
2. Duplex Unit (AD-504)
2.1 Construction
[1] Duplex Unit Transport Roller 1 [3] Duplex Unit Transport Roller 2
[2] Duplex Unit Transport Roll 1 [4] Duplex Unit Transport Roll 2
4532M503AA
1
3
4
2
bizhub_162_210_TO.book 3 ページ ２００５年４月１８日 月曜日 午後１時２７分

2. Duplex Unit (AD-504) Theory of Operation Ver. 1.0 Apr. 2005
4
AD-504
Composition/Operation
2.2 Operation
• The Duplex Unit Transport Motor provides the drive for the Duplex Unit.
2.3 Electric Parts Layout
4532M501AA
[1] Duplex Unit Transport Motor (M2/AD) [3] Control Board (PWB-A/AD)
[2] Duplex Unit Transport Sensor (PC2/AD)
4532M001AA
1
2
3
bizhub_162_210_TO.book 4 ページ ２００５年４月１８日 月曜日 午後１時２７分

Theory of Operation Ver. 1.0 Apr. 2005 2. Duplex Unit (AD-504)
5
AD-504Composition/Operation
2.4 Switchback Operation
• The paper printed on one side is switched back by the exit rollers on copier to transport it
into the duplex unit.
• The switchback operation of transport rollers is carried out by the Duplex Unit Switch-
back Motor.
4532M502CA
bizhub_162_210_TO.book 5 ページ ２００５年４月１８日 月曜日 午後１時２７分

2. Duplex Unit (AD-504) Theory of Operation Ver. 1.0 Apr. 2005
6
AD-504
Composition/Operation
2.5 2-sided Copying with a Single Sheet of Paper Resident in the
Unit
2.5.1 Operation
1. The first sheet of paper is taken up
and the image of page 2 of the origi-
nal is printed.
2. Immediately before the first sheet of
paper leaves the Paper Exit Roller,
the direction of rotation of the Paper
Exit Roller is reversed and the first
sheet of paper is transported toward
and into the Duplex Unit.
3. The paper moving through the
Duplex Unit is directly subjected to
the second print cycle without being
stopped.
4. The image of page 1 of the original is
printed on the other side of the first
sheet of paper.
5. While the first sheet of paper is being
fed out of the copier, the image of
page 4 of the original is printed on
one side of the second sheet of
paper.
✽Steps 2 through 5 are repeated.
4034M510AA
4034M511AA
4034M512AA
4034M513AA
4034M514AA
bizhub_162_210_TO.book 6 ページ ２００５年４月１８日 月曜日 午後１時２７分

Theory of Operation Ver. 1.0 Apr. 2005 2. Duplex Unit (AD-504)
7
AD-504Composition/Operation
2.6 2-sided Copying with Two Sheets of Paper Resident in the
Unit
2.6.1 Operation
1. The first sheet of paper is taken up
and the image of page 2 of the origi-
nal is printed.
2. Immediately before the first sheet of
paper leaves the Paper Exit Roller,
the direction of rotation of the Paper
Exit Roller is reversed and the first
sheet of paper is transported toward
and into the Duplex Unit.
3. At the same time, the second sheet
of paper is taken up and fed in.
4. The image of page 4 of the original is
printed on one side of the second
sheet of paper.
5. At the same time, the first sheet of
paper is transported through the
Duplex Unit.
6. The image of page 1 of the original is
printed on the other side of the first
sheet of paper that has been fed into
the copier again.
7. At the same time, the second sheet
of paper is subjected to a switchback
sequence at the exit section.
8. It is then fed through the Duplex Unit
without.
9. While the first sheet of paper is being
fed out of the copier, the image of
page 4 of the original is printed on
one side of the second sheet of
paper.
4034M510AA
4034M511AA
4034M512AA
4034M513AA
4034M514AA
bizhub_162_210_TO.book 7 ページ ２００５年４月１８日 月曜日 午後１時２７分

2. Duplex Unit (AD-504) Theory of Operation Ver. 1.0 Apr. 2005
8
AD-504
Composition/Operation
10. While the second sheet of paper is
being fed out of the copier, the third
sheet of paper is taken up and the
image of page 6 of the original is
printed.
✽Steps 2 through 10 are repeated.
4034M514AA
bizhub_162_210_TO.book 8 ページ ２００５年４月１８日 月曜日 午後１時２７分

SERVICE MANUAL
2005.04
Ver. 1.0
FIELD SERVICE
AD-504
bizhub_162_210_FS.book 1 ページ ２００５年４月１８日 月曜日 午前１０時５分

bizhub_162_210_FS.book 2 ページ ２００５年４月１８日 月曜日 午前１０時５分

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, show to the left of the revised section.
A number within represents the number of times the revision has been made.
• To indicate clearly a section revised, show in the lower outside section of the correspond-
ing page.
A number within 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.
1
1
1
1
2005/04 1.0 — Issue of the first edition
Date Service manual Ver. Revision mark Descriptions of revision
bizhub_162_210_FS.book 1 ページ ２００５年４月１８日 月曜日 午前１０時５分

bizhub_162_210_FS.book 2 ページ ２００５年４月１８日 月曜日 午前１０時５分

AD-504GeneralMaintenanceAdjustment / Setting
Troubleshooting
Field Service Ver. 1.0 Apr. 2005
i
CONTENTS
General
1. Product specification ............................................................................................... 1
Maintenance
2. Other ....................................................................................................................... 3
2.1 Disassembly/Adjustment prohibited items ............................................................ 3
2.2 Disassembly/Assembly procedure........................................................................ 4
2.2.1 Exterior Parts ................................................................................................ 4
2.2.2 Control Board (PWB-A/AD)........................................................................... 5
2.3 Cleaning procedure .............................................................................................. 6
2.3.1 Duplex Unit Transport Rollers/Rolls .............................................................. 6
2.3.2 Switch Back Unit Transport Roller/Roll ......................................................... 6
2.3.3 Duplex Unit Ventilation Section ..................................................................... 6
2.3.4 Bypass Transport Roller/Rolls....................................................................... 7
Adjustment/Setting
3. How to use the adjustment section ......................................................................... 9
4. Service Mode ........................................................................................................ 10
4.1 Service Mode function setting procedure ........................................................... 10
4.1.1 Procedure ................................................................................................... 10
4.1.2 Exiting ......................................................................................................... 10
4.1.3 Changing the Setting Value in Service Mode Functions ............................. 10
4.2 Setting in the Service Mode................................................................................ 11
4.2.1 SERVICE’S CHOICE .................................................................................. 11
Troubleshooting
5. Introduction ........................................................................................................... 13
5.1 Electrical Components Check Procedure........................................................... 13
5.1.1 Sensor......................................................................................................... 13
5.1.2 Switch ......................................................................................................... 14
5.1.3 Solenoid ...................................................................................................... 14
5.1.4 Clutch.......................................................................................................... 14
5.1.5 Motor........................................................................................................... 15
6. Jam Display........................................................................................................... 16
6.1 Misfeed Display................................................................................................... 16
6.1.1 Display Resetting Procedure....................................................................... 16
bizhub_162_210_FS.book i ページ ２００５年４月１８日 月曜日 午前１０時５分

AD-504
GeneralMaintenanceAdjustment / Setting
Troubleshooting
Field Service Ver. 1.0 Apr. 2005
ii
6.2 Sensor layout...................................................................................................... 17
6.3 Solution .............................................................................................................. 18
6.3.1 Initial Check Items ...................................................................................... 18
6.3.2 Duplex Reversal Housing Block.................................................................. 18
bizhub_162_210_FS.book ii ページ ２００５年４月１８日 月曜日 午前１０時５分