Chapter 3 Contents
3-1 Maintenance/Adjustments .............................................................................................................. 3-3
3-1-1 Life expectancy of modules ....................................................................................................... 3-3
3-1-2 Toner container .......................................................................................................................... 3-4
(1) When to replace the toner container ......................................................................................... 3-4
(2) Notes on changing the toner container...................................................................................... 3-4
(3) Toner container replacement ..................................................................................................... 3-5
(4) Toner saver mode (EcoPrint) ..................................................................................................... 3-6
(5) Replacing the waste toner box .................................................................................................. 3-7
3-1-3 Cleaning the printer ................................................................................................................... 3-8
(1) Main charger unit....................................................................................................................... 3-8
(2) Cleaning the main charger wire and grid................................................................................... 3-9
Main charger wire ........................................................................................................................... 3-9
Grid ............................................................................................................................................... 3-10
(3) Paper transfer unit ................................................................................................................... 3-12
(4) Replacing the developer .......................................................................................................... 3-13
Shipping the developer ................................................................................................................. 3-13
(5) Developer initialization (Toner install mode) ............................................................................ 3-14
(6) Developer refreshing mode ..................................................................................................... 3-15
(7) Drum cleaning mode ............................................................................................................... 3-16
3-1-4 Updating the firmware ............................................................................................................. 3-17
(1) Firmware program data format ................................................................................................ 3-18
(2) Downloading the firmware from the parallel interface ............................................................. 3-19
(3) Downloading the firmware from the memory card................................................................... 3-21
(4) Downloading errors ................................................................................................................. 3-23
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