Ricoh AC205 Service Manual - Page 102

Machine Malfunctions, Lcd Display Defective, Defective Control Panel, Fusing Gear Melts (overheats)

Get Ricoh AC205 PDF manuals and user guides View all Ricoh AC205 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 102 highlights

MACHINE MALFUNCTIONS 4.4 MACHINE MALFUNCTIONS 4.4.1 LCD DISPLAY DEFECTIVE Description: Unusual characters appear on the LCD panel, or the operation panel buttons do not work. Cause Solution 1. The memory needs to be cleared. 1. Clear the memory and attempt to use the 2. Operation panel harness is not connected machine again. correctly. 2. Check the harness connection. Replace the operation board assembly and main board if this does not solve the problem. 4.4.2 DEFECTIVE CONTROL PANEL Description: Operation panel does not operate when keys are pressed. Cause Solution 1. The memory needs to be cleared. 2. No sounds are heard when the keys are pressed. 1. Ensure that the keypad is correctly assembled. Replace the keypad if necessary. 2. Replace the operation panel and main board. 4.4.3 FUSING GEAR MELTS (OVERHEATS) Description: • Paper constantly gets jammed in the fusing unit. • Fusing unit rollers do not turn. Cause Fusing lamp, thermostat, or thermistor are damaged. Solution Check the fusing unit in engine diagnostic mode: • Replace the fusing unit. • Replace the SMPS or main PBA if necessary. B273 4-16 SM

  • 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
  • 186
  • 187
  • 188
MACHINE MALFUNCTIONS
B273
4-16
SM
4.4 MACHINE MALFUNCTIONS
4.4.1 LCD DISPLAY DEFECTIVE
Description:
Unusual characters appear on the LCD panel, or the operation panel
buttons do not work.
Cause
Solution
1.
The memory needs to be cleared.
2.
Operation panel harness is not connected
correctly.
1.
Clear the memory and attempt to use the
machine again.
2.
Check the harness connection. Replace
the operation board assembly and main
board if this does not solve the problem.
4.4.2 DEFECTIVE CONTROL PANEL
Description:
Operation panel does not operate when keys are pressed.
Cause
Solution
1.
The memory needs to be cleared.
2.
No sounds are heard when the keys are
pressed.
1.
Ensure that the keypad is correctly
assembled. Replace the keypad if
necessary.
2.
Replace the operation panel and main
board.
4.4.3 FUSING GEAR MELTS (OVERHEATS)
Description:
•
Paper constantly gets jammed in the fusing unit.
•
Fusing unit rollers do not turn.
Cause
Solution
Fusing lamp, thermostat, or thermistor are
damaged.
Check the fusing unit in engine diagnostic
mode:
•
Replace the fusing unit.
•
Replace the SMPS or main PBA if
necessary.