Boards
D255/D256 FAX OPTION
150
SM
SAF Memory Back-up
A rechargeable battery backs up the SAF memory (DRAM) for 12 hours.
ROM
4 MB flash ROMs for system software storage
SRAM
The 512 KB SRAM for system and user parameter storage is backed up by a lithium battery.
SRAM Back-up
A lithium battery backs up the system parameters and programmed items in the SRAM, in case
the base copier's main power switch is turned off.
Switches
Item
Description
SW1
Switches the SRAM backup battery on/off.
CPU
This controls the energy-efficient operation of the FCU board.
Содержание M281 Series
Страница 1: ...D255 D256 M281 M282 SERVICE MANUAL ...
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Страница 21: ...PRODUCT INFORMATION REVISION HISTORY Page Date Added Updated New None ...
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Страница 189: ...PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added Updated New None ...
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Страница 192: ...Yield Parts Settings D255 D256 M281 M282 3 2 SM Operation check Check if the sample image has been copied normally ...
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Страница 278: ...Laser Unit MP 501 601 D255 D256 M281 M282 4 84 SM 6 Remove the laser unit A ...
Страница 281: ...Laser Unit SP 5300 5310 SM 4 87 D255 D256 M281 M282 Replacement and Adjustment 6 Remove the laser unit A ...
Страница 316: ...Duplex Unit D255 D256 M281 M282 4 122 SM 19 Remove the duplex unit A while removing the shaft B from the coupling C ...
Страница 318: ...Drive Unit D255 D256 M281 M282 4 124 SM 5 Remove the paper feed motor A MP 501 601 SP 5300 5310 ...
Страница 346: ...Electrical Components D255 D256 M281 M282 4 152 SM 6 Remove the laser fan unit A hook 1 7 Remove the Connect Left PCB A ...
Страница 356: ...ARDF MP 501 601 Only D255 D256 M281 M282 4 162 SM 5 Open the ARDF A 6 Remove the ARDF unit A by lifting it up ...
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Страница 442: ...Self Diagnostic Mode D255 D256 M281 M282 6 4 SM ...
Страница 563: ...DETAILED DESCRIPTIONS REVISION HISTORY Page Date Added Updated New None ...
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Страница 574: ...Product Overview D255 D256 M281 M282 7 10 SM No Name No Name 8 BiCU 18 LED PCB 9 PSU 19 SBU 10 Fax board ...
Страница 585: ...Fusing Unit SM 7 21 D255 D256 M281 M282 Detailed Descriptions ...
Страница 587: ...Paper Exit Unit SM 7 23 D255 D256 M281 M282 Detailed Descriptions ...
Страница 590: ...Paper Feed Unit D255 D256 M281 M282 7 26 SM ...
Страница 593: ...ARDF MP 501 601 Only SM 7 29 D255 D256 M281 M282 Detailed Descriptions ...
Страница 595: ...ARDF MP 501 601 Only SM 7 31 D255 D256 M281 M282 Detailed Descriptions ...
Страница 599: ...D255 D256 M281 M282 SERVICE MANUAL APPENDICES ...
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Страница 605: ...APPENDIX SPECIFICATIONS REVISION HISTORY Page Date Added Updated New None ...
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Страница 633: ...PREVENTIVE MAINTENANCE TABLES REVISION HISTORY Page Date Added Updated New None ...
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Страница 639: ...SP MODE TABLES REVISION HISTORY Page Date Added Updated New 41 42 01 20 2017 Removed SP5759 Machine Limit Count ...
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Страница 807: ...SOFTWARE CONFIGURATION REVISION HISTORY Page Date Added Updated New None ...
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Страница 1003: ...Fax Unit Configuration SM 169 D255 D256 FAX OPTION D255 D256 FAX OPTION 6 4 FAX UNIT CONFIGURATION No Component 1 FCU 2 Speaker ...