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
Summary of Contents for SF 5100
Page 10: ...2 6 Samsung Electronics Specification Memo ...
Page 16: ...3 6 Samsung Electronics Tech Mode Memo ...
Page 40: ...4 24 Samsung Electronics Disassembly and Reassembly Memo ...
Page 115: ...MEMO Samsung Electronics 8 2 ...
Page 116: ...PCB Diagrams Samsung Electronics 10 1 10 1 Main PCB Diagram Top 10 PCB Diagrams ...
Page 117: ...PCB Diagrams Samsung Electronics 10 2 10 2 Main PCB Diagram Bottom ...
Page 118: ...PCB Diagrams Samsung Electronics 10 3 10 3Engine PCB Diagram Top ...
Page 119: ...PCB Diagrams Samsung Electronics 10 4 10 4Engine PCB Diagram Bottom ...
Page 120: ...PCB Diagrams Samsung Electronics 10 5 10 5LIU PCB Diagram ...
Page 121: ...PCB Diagrams Samsung Electronics 10 6 10 6OPE PCB Diagram ...
Page 123: ...MEMO Samsung Electronics 9 2 ...
Page 184: ...MEMO Samsung Electronics 8 2 ...
Page 186: ...MEMO Samsung Electronics 9 2 ...
Page 187: ...PCB Diagrams Samsung Electronics 10 1 10 1 Main PCB Diagram Top 10 PCB Diagrams ...
Page 188: ...PCB Diagrams Samsung Electronics 10 2 10 2 Main PCB Diagram Bottom ...
Page 189: ...PCB Diagrams Samsung Electronics 10 3 10 3Engine PCB Diagram Top ...
Page 190: ...PCB Diagrams Samsung Electronics 10 4 10 4Engine PCB Diagram Bottom ...
Page 191: ...PCB Diagrams Samsung Electronics 10 5 10 5LIU PCB Diagram ...
Page 192: ...PCB Diagrams Samsung Electronics 10 6 10 6OPE PCB Diagram ...