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Controller System
Disassembly/Assembly
Procedure
Removing the Controller
Cover
■ Preparation
1. Removing the Right Cover.(Refer to
)
■ Procedure
1. Remove the Controller Cover [1].
• 9 Screws [2]
• 2 Hooks [3]
[3]
[3]
[1]
9x
[2]
[2]
Removing the Wireless LAN
PCB (MF728Cdw / 727Cdw /
724Cdw)
■ Preparation
1. Removing the Right Cover.(Refer to
)
2. Removing the Controller Cover.(Refer to
the Controller Cover” on page 157
)
■ Procedure
1. Remove the Wireless LAN PCB [1].
• 1 Screw [2]
• 1 Flat Cable [3]
1x
1x
[1]
[2]
[3]
Removing the Main Controller
PCB
CAUTION:
When replacing the Main Controller PCB, be sure to
perform the works to be done before replacing the Main
Controller PCB (Refer to
) and the works be done
after replacing the Main Controller PCB (Refer to
Replacing the Main Controller PCB” on page 159
).
■ Before Replacing the Main
Controller PCB
Back up user data (settings, registered data, etc.) and service
mode data for setting and registration after PCB replacement.
Take notes if data is unable to back up.
4. Disassembly/Assembly
157
Summary of Contents for MF724Cdw
Page 1: ...Revision 2 0 MF720 Series Service Manual ...
Page 12: ...Product Overview 1 Product Lineups 5 Product Features 7 Specifications 8 Name of Parts 14 ...
Page 79: ...4 Click Import Export Import 1 2 2 Technical Explanation 71 ...
Page 103: ...Durable Parts No durable parts is set for this product 3 Periodical Service 95 ...
Page 104: ...Periodical Services No periodical service is set for this product 3 Periodical Service 96 ...
Page 232: ...Adjustment 5 Overview 225 Adjustment at Parts Replacement 226 ...
Page 248: ...Troubleshooting 6 Test Print 241 Trouble shooting items 243 Version Upgrade 244 Debug Log 248 ...
Page 258: ...Error Jam Alarm 7 Outline 251 Error Codes 252 Jam Code 257 ...
Page 267: ...Service Mode 8 Overview 260 COPIER 264 FEEDER 300 FAX 302 TESTMODE 308 ...
Page 322: ...APPENDICES Service Tools 315 General Circuit Diagram 316 Print Sequence 317 Backup Data 318 ...