Samsung SCX4521F Service Manual - Page 115

Digital Printer, Ghost 1

Get Samsung SCX4521F - B/W Laser - All-in-One PDF manuals and user guides
UPC - 635753616040
View all Samsung SCX4521F manuals
Add to My Manuals
Save this manual to your list of manuals

Page 115 highlights

Troubleshooting 6.5.9 Ghost (1) • Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 75.5mm Check and Cause 1. Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the electrode of the Developer. Solution 1. Clean the terminals when contaminated by toner particles. 2. Bad contacts caused by contamination from toner particles between high voltage terminal in the main body and the one in the HVPS board. 2. Occur in the developer cartridge, replace the developer and try to print out. 3. The life of developer is expired. 3. Replace the Main board and HVPS Board if not solved by the above directions 1-2. 4. Transfer roller lifetime(50.000 sheets) has 4. If not solved by the direction 3, check the expired. transfer roller lifetime and replace it. 5. Abnormal low temperature(below 10°C). 5. Wait about 1 hour after power on before using printer. 6.5.10 Ghost (2) • Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 75.5mm Check and Cause When printing on card stock thicker than normal paper or transparencies such as OHP, higher transfer voltage is required. Solution Select 'Thick Mode' on paper type menu from the software application and after using returning to the original mode is recommended. 6-20 Service Manual Samsung Electronics

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
Samsung Electronics
Service Manual
Troubleshooting
6-20
6.5.9
Ghost (1)
• Description
Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
75.5mm
Check and Cause
Solution
1. Bad contacts caused by contamination
from toner particles between high voltage
terminal in the main body and the elec-
trode of the Developer.
2. Bad contacts caused by contamination
from toner particles between high voltage
terminal in the main body and the one in
the HVPS board.
3. The life of developer is expired.
4. Transfer roller lifetime(50.000 sheets) has
expired.
5. Abnormal low temperature(below 10°C).
1. Clean the terminals when contaminated by
toner particles.
2. Occur in the developer cartridge, replace
the developer and try to print out.
3. Replace the Main board and HVPS Board if
not solved by the above directions 1-2.
4. If not solved by the direction 3, check the
transfer roller lifetime and replace it.
5. Wait about 1 hour after power on before
using printer.
6.5.10
Ghost (2)
• Description
Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
(When printing on card stock or transparencies using manual feeder)
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
75.5mm
Check and Cause
Solution
When printing on card stock thicker than nor-
mal paper or transparencies such as OHP,
higher transfer voltage is required.
Select 'Thick Mode' on paper type menu from
the software application and after using return-
ing to the original mode is recommended.