5023-110
Control system structure
Electrical system and function
The engine board controls most of the main electrical parts in this printer.
No. | Control process | Function |
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1 | Print process control | Controls print process from paper feed through paper exit. |
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2 | Laser output control | Automatically controls laser output to the default. |
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3 | Fuser temperature control | Controls fuser heater, allowing heated roller to reach default |
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| temperature. |
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4 | Toner sensing control | Controls sensing of toner empty status. |
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5 | Interface control (video signal) | Processes the input and output signal with external controller |
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| computer. |
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6 | Operator panel indicator | Displays printer operation status. |
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7 | Error control | Controls safe stop procedures when errors occur. |
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Control of print process
Control block diagram
No. | Control process | Function |
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1 | Sequence control | Controls print sequence of printer. |
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2 | Temperature control | Controls temperature of fuser unit. |
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3 | Consumables’ life control | Controls toner empty status for each toner cartridge and life of periodic |
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| replacement parts. |
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4 | Operator panel control | Controls operator panel indication and operator signals. |
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5 | Error processing control | Senses errors occurring as well as stop procedures. |
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6 | Interface control | Controls receipt and transmission of interface signals from external |
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| controller. |
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7 | Laser control | Controls laser scanning and laser power. |
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Note: A micro CPU mounted on the engine board controls the print processes.
General information
