Samsung SCX-82x0 series Service Manual page 10

4.6.7 Count Setting of Large Page .................................................................................................. 4-42
4.6.8 System Recovery .......................................................................................................................... 4-42
4.6.9 User Data Management ........................................................................................................... 4-43
4.6.10 TR Control Mode ...................................................................................................................... 4-44
4.6.11 Cool Down Mode ...................................................................................................................... 4-45
5. Updating Firmware ..................................................................................................................................... 5-1
5.1 Updating from the Printer Control Panel .................................................................................. 5-2
5.2 Updating from the Network ............................................................................................................ 5-7
6. Preventive Maintenance ........................................................................................................................ 6-1
6.1 PM Supplies ............................................................................................................................................... 6-1
6.1.1 PM Parts ............................................................................................................................................. 6-1
6.1.2 PM KIT ................................................................................................................................................. 6-4
6.2 PM Procedures ......................................................................................................................................... 6-5
6.2.1 Toner cartridge ................................................................................................................................ 6-5
6.2.2 Imaging unit ..................................................................................................................................... 6-7
6.2.3 Transfer roller Unit ...................................................................................................................... 6-11
6.2.4 Fuser unit ........................................................................................................................................ 6-12
6.2.5 Pick up / Retard / Forward roller ....................................................................................... 6-13
6.2.6 Ozone filter ..................................................................................................................................... 6-13
6.2.7 DADF Rollers (Pick up/ ADF/ Retard) ............................................................................... 6-14
6.2.8 MP Pick up / Retard / Forward roller .............................................................................. 6-19
6.2.9 Scanner Fan Filter ........................................................................................................................ 6-21
6.3 Cleaning the PM parts ....................................................................................................................... 6-22
6.3.1 Cleaning the charge scorotron .............................................................................................. 6-22
6.3.2 Cleaning the pick up roller ..................................................................................................... 6-22