Samsung CLP-510/XBH, Руководство по обслуживанию

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5-11
Samsung Electronics
System Outline
Service Manual
5.2.1 System Initialization
The system initialization process is carried out immediately after power on. The following tasks are performed.
1) Initialize ASIC
2) Initialize system variables
3) Initialize a virtual timer
4) Initialize fuser control
5) Initialize ADC
6) Set-up ITB HOME interrupt
5.2.2 Warm-Up
In the warm-up stage, the following tasks are performed.
1) Self Test
* System error check
* Cover open check
* Device (ITB, OPC, DEVE cartridge) check
* Heating error check
* Motion of motor and jam & paper empty check
* Check Feed and exit sensors. If paper is detected it is ejected. If the paper detection does not
clear a jam recovery is carried out and the paper drive unit is instructed to drive for the maximum
permitted paper length.
2) Heat Control
The heater control unit separately manages the temperature of the heat lamps.
* Target temperature (165°C)
* Temperature below 130°C - heat unit fully on,
* Temperature above 135°C temperature is controlled by reading the temperature value
every 10msec.
3) Cleaning
Transfer rollers, OPC and ITB are electrically and mechanically cleaned.