POR (Power-On Reset) sequence
The following is an example of the events that occur during the POR sequence for the base machine with no
paper handling options installed.
1.
Power the machine on.
2.
Power supply fan rotates.
3.
Splashscreen with progress bar displayed.
4.
Printer controller initialized.
•
ROM is checked - if there is an error, power on is halted
•
EEPROM checked - if there is an error, power on is halted
•
Fuser thermistor checked - if there is an error, power on is halted
5.
LED illuminates
6.
RIP initialized.
•
ROM is checked - if there is an error, power on is halted
•
Memory checked - if there is an error, power on is halted
7.
Main tray lift motor moves paper up to position.
8.
Printer condition checked.
•
Check for jams - if there is an error, power on is halted
•
Query the toner cartridge and imaging kit - if there is an error, power on is halted
•
Check toner load. - if there is an error, power on is halted
9.
Check temperature - if there is an error, power on is halted
10.
LED flashes.
11.
The default home screen is displayed.
5041-030
2-3
Diagnostic information
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