Control of print process – Lexmark 5021-0XX User Manual
Page 74
Advertising
1-48
Service Manual
5021-0XX
Control of print process
Control block diagram
Note: A micro CPU mounted on the engine board controls the print
processes.
No.
Control process
Function
1
Sequence control
Controls print sequence of printer.
2
Temperature
control
Controls temperature of fuser unit.
3
Consumables’ life
control
Controls toner empty status for each toner
cartridge and life of periodic replacement
parts.
4
Operator panel
control
Controls operator panel indication and
operator signals.
5
Error processing
control
Senses errors occurring as well as stop
procedures.
6
Interface control
Controls receipt and transmission of interface
signals from external controller.
7
Laser control
Controls laser scanning and laser power.
Advertising