12H-M12M0-0309-0
TABLE OF CONTENTS
CHAPTER 1 MECHANISM
1. Outline of Machine ..........................................1-2
2. Outline of Mechanisms and Adjustments........1-6
3. Periodic Inspections ........................................1-50
4. Troubleshooting Guide
(Mechanical Causes) ......................................1-52
CHAPTER 2 ELECTRICAL
COMPONENTS
1. Block Diagram of Structure and Outline of
Each Block ......................................................2-2
2. Errors and Causes ..........................................2-10
3. Maintenance Mode .........................................2-15
4. Backup Data Form ..........................................2-28
5. Initializing the Memory ....................................2-30
6. Precautions on Replacing the MC Unit ...........2-31
7. Upgrading the Program Version .....................2-32
8. Overall Schematic Diagram (DF-920) .............2-33
9. Overall Schematic Diagram (DF-915) .............2-34
10. Wiring Diagram 1/2 (DF-920) ..........................2-35
11. Wiring Diagram 2/2 (DF-920) ..........................2-36
12. Wiring Diagram 1/2 (DF-915) ..........................2-37
13. Wiring Diagram 2/2 (DF-915) ..........................2-38
About This Manual
This maintenance manual is intended for those familiar with maintenance work of the Duplo paper folder DF-500
series. Sections found in the maintenance manual of the DF-520N have been omitted. Refer to the maintenance
manual for DF-520N for these sections.
Precautions on Maintenance
Disconnect the power cord from the outlet to ensure safety when implementing maintenance work.
Use a non-flammable type air spray. Read the instructions on use carefully and be sure to observe them.
Notify users who have remodeled this unit that they are required to ensure safety at their own responsibility.
Consumables Used for Maintenance (Grease, etc.)
This manual lists the standard products and specifications for consumables used in maintenance such as grease, etc.
If these products are not available, use products that comply with the specifications indicated.
“MOLY KOTE” is either the trademark or registered trademark of U.S. Dow Corning Corporation, “Loctite” that of U.S. Henkel Loctite Corporation,
“NITOFLON” that of Japan NITTO DENKO Corporation, and “Three Bond” that of Japan Three Bond Co., Ltd. Other company and product names
in the manual may be the trademark or registered trademark of their respective countries.
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