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Recovery from a Device Problem
Restoring the encryption key
When replacing the controller board for a model in which the HDD encryption unit has been installed,
updating the encryption key is required.
1. Prepare an SD card which is initialized.
2. Make the "restore_key" folder in the SD card.
3. Make an "nvram_key.txt" file in the "restore_key" folder in the SD card.
4. Ask an administrator to input the encryption key (this has been printed out earlier by the user) into the
"nvram_key.txt" file.
5. Remove only the HDD unit (
*
6. Turn on the main power switch.
7. Confirm that the prompt on the LCD tells you to install the SD card (storing the encryption key) in the
machine.
8. Turn off the main power switch.
9. Insert the SD card that contains the encryption key into slot 2.
10. Turn on the main power switch, and the machine automatically restores the encryption key in the flash
memory on the controller board.
11. Turn off the main power switch after the machine has returned to normal status.
12. Remove the SD card from slot 2.
2. Installation
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Содержание MPC 2800 AT-C2
Страница 1: ...Model AT C2 Machine Code D023 D025 Field Service Manual July 2008 Subject to change...
Страница 2: ......
Страница 16: ...Overview Component Layout 1 Product Information 14 1...
Страница 125: ...6 Attach the on standby decal O to the right hand side of the main power switch Anti Condensation Heater Type A 123 2...
Страница 152: ...2 Installation 150 2...
Страница 156: ...3 Preventive Maintenance 154 3...
Страница 171: ...Left Cover 1 Left cover A x 6 Rear Cover 1 Rear cover A x 8 Exterior Covers 169 4...
Страница 176: ...3 Ozone filters A in the right top cover 4 Replacement and Adjustment 174 4...
Страница 243: ...3 Toner transport motor A x 3 x 1 Toner Collection Unit 1 Gear Unit p 228 Drive Unit 241 4...
Страница 249: ...6 Development clutch K A x 1 Drive Unit 247 4...
Страница 265: ...8 Thermopile F x 2 x 1 Fusing 263 4...
Страница 272: ...3 Open the duplex door A 4 Right door cover B x 4 5 Right door rear cover A x 3 4 Replacement and Adjustment 270 4...
Страница 286: ...Behind the IOB FCU and G3 Interface Unit F BICU G Controller Board H HDD 4 Replacement and Adjustment 284 4...
Страница 287: ...Controller Box Open I ITB Power Supply Board Electrical Components 285 4...
Страница 327: ...Controller Self Diagnostics 325 5...
Страница 347: ...6 Troubleshooting Service Call Conditions See Appendices for the following information SC Tables 345 6...
Страница 354: ...MEMO 352...
Страница 355: ...Model AT C2 Machine Code D023 D025 Appendices July 2008 Subject to change...
Страница 356: ......
Страница 359: ...SP1 xxx System and Others 496 SP2 XXX Scanning image quality 496 3...
Страница 360: ...4...
Страница 396: ...2 Appendix Maintenance Tables 40 2...
Страница 474: ...4 Appendix Process Control Error Conditions 118 4...
Страница 476: ...5 Appendix Troubleshooting Guide 120 5...
Страница 484: ...5 Appendix Troubleshooting Guide 128 5...
Страница 492: ...Sensor Locations 6 Appendix Jam Detection 136 6...
Страница 500: ...7 Appendix Electrical Component Defects 144 7...
Страница 854: ...MEMO 498...
Страница 855: ...MEMO 499...
Страница 856: ...MEMO 500 EN...