Samsung SF 5100, Руководство по обслуживанию

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Samsung Electronics 5-5
Maintenance & Troubleshooting
When you replace the main board to new one, the
information on the toner state is cleared. Therefore,
you should update the information to the new
board by entering the exact value of total toner
count and specifying the toner cartridge installed
currently is shipped with the machine or new. If not,
‘TONER LOW/EMPTY’ message may not appear
when the toner is run out.
1. In Tech mode, print ‘SYSTEM DATA LIST’. The
list includes the total toner count and CRU state
information.
- TOTAL TONER COUNT: The total number of
the dots used to print up to current time.
- CRU STATE: The page number which the toner
cartridge can print. (The yield of a new toner
cartridge is approximately 2,500 pages and that
of the cartridge supplied with the machine is
approximately 1.000 pages.)
2. Replace Main board.
3. In Tech mode,
3-1) Press Setup, and find ‘MAINTENANCE’ by
pressing repeatedly or , then press
Start/Enter .
3-2) When ‘TONER COUNT’ is displayed in LCD,
press Start/Enter, and enter the value of the
total toner count in the system data list.
3-3) When you are prompted to enter CRU
STATE, press Start/Enter.
3-4) When you see ‘[1.1000 2.2300]’ in LCD, select
the value of the CRU state in the system data
list.
4. In Tech mode, print ‘SYSTEM DATA LIST’ and
make sure that the toner information is updated.
5-3 Print Quality
5-4 Note for replacing Main board
No Roller Abnormal image period Kind of abnormal image
1 OPC Drum 75.4mm
2 Charge Roller 37.7mm Black spot
3 Supply Roller 26.8mm Horizontal density band
4 Develope Roller 31.6mm Horizontal density band
5 Transfer Roller 47.1mm Black side contamination/transfer fault
6 Heat Roller 50.1mm Black spot, White spot
7 Pressure Roller 50.2mm Black side contamination
•White spot on black image
•Black spot