Samsung SCX 6322DN Service Manual - Page 84

Error Status, Check, Solution

Page 84 highlights

Troubleshooting Error Status Poor Fusing Check 1. Use recommended paper? 2. Check fusing temperature. 3. The machine was under the low tempera ture for a long time? Solution 1. Should use recommended paper. 2. Check engine controller board. If you have not thermometer, measure the thermistor voltage to CPU, If 2.3V±5% in printing CPU works well. Then, disassemble fuser and check the thermistor contact and thermistor. 3. Re-check after putting the machine in the warm place for certain period. Partial blank image (not periodic) 1. Toner is low? 2. The toner cartridge is out of position? 1. Replace Toner cartridge. 2. Checkand adjust. Partial blank image (periodic) 1. Develop roller scar or particle. 2. Scar or particle. (94.3 mm) 3. Transfer roller scar or particle. (56.6 mm) 1. Replace toner cartridge. 2. Replace drum cartridge. 3. Replace transfer roller. Different image density 1. Charge roller's pressure force unbalance (left and right) 2. Dev. roller and OPC or Dev. roller and blade's pressure force unbalance 3. Transfer roller's pressure force unbalance of each side 1. Replace drum cartridge. 2. Replace toner cartridge and drum cartridge. 3. Check left and right spring of transfer roller and the spring pressing the toner cartridge inside the machine Horizonral band DDiiggiittaall PPrriinntteerr DDiiggiittaall PPrriinntteerr DDiiggiittaall PPrriinntteerr 1. Unstable high voltage contact 2. Charge roller's contamination 3. Contamination of heat roller 4. Malfunction of LSU 1. Clean each contact and check good contact 2. Clean charge roller 3. Replace fuser unit 4. Check Main PBA. Samsung Electronics Service Manual 6-7

  • 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
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185

Troubleshooting
Service Manual
6-7
Samsung Electronics
Poor Fusing
1. Use recommended paper?
2. Check fusing temperature.
3. The machine was under the low tempera ture
for a long time?
1. Should use recommended paper.
2. Check engine controller board. If you have
not thermometer, measure the thermistor
voltage to CPU, If 2.3V±5% in printing CPU
works well. Then, disassemble fuser and
check the thermistor contact and thermistor.
3. Re-check after putting the machine in the
warm place for certain period.
Error Status
Check
Solution
Partial blank image
(not periodic)
1. Toner is low?
2. The toner cartridge is out of position?
1. Replace Toner cartridge.
2. Checkand adjust.
Partial blank image
(periodic)
1. Develop roller scar or particle.
2. Scar or particle. (94.3 mm)
3. Transfer roller scar or particle. (56.6 mm)
1. Replace toner cartridge.
2. Replace drum cartridge.
3. Replace transfer roller.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Different image density
(left and right)
1. Charge roller’s pressure force unbalance
2. Dev. roller and OPC or Dev. roller and blade’s
pressure force unbalance
3. Transfer roller’s pressure force unbalance of
each side
1. Replace drum cartridge.
2. Replace toner cartridge and drum cartridge.
3. Check left and right spring of transfer roller
and the spring pressing the toner cartridge
inside the machine
Horizonral band
1. Unstable high voltage contact
2. Charge roller’s contamination
3. Contamination of heat roller
4. Malfunction of LSU
1. Clean each contact and check good contact
2. Clean charge roller
3. Replace fuser unit
4. Check Main PBA.