B245/B276/B277/B268/B269 Service Manual 18-Jan-06
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Troubleshooting ................................................................................................................ 116
Service Call Conditions ................................................................................................. 116
Summary ................................................................................................................... 116
SC Code Descriptions ............................................................................................... 117
Electrical Component Defects .......................................................................................133
Sensors ..................................................................................................................... 133
Switches ....................................................................................................................135
Blown Fuse Conditions .................................................................................................137
LED Display ..................................................................................................................138
BICU.......................................................................................................................... 138
Service Tables .................................................................................................................. 139
Service Program Mode .................................................................................................139
How to Enter the SP Mode ........................................................................................139
SP Mode Tables ............................................................................................................141
SP1-XXX (Feed)........................................................................................................141
SP2-XXX (Drum) ....................................................................................................... 144
SP4-XXX (Scanner)................................................................................................... 150
SP5-XXX (Mode) .......................................................................................................156
SP6-XXX (Peripherals).............................................................................................. 159
SP7-XXX (Data Log)..................................................................................................161
SP8-XXX (History).....................................................................................................165
SP9-XXX (Etc.).......................................................................................................... 170
Using SP Modes ...........................................................................................................171
Adjusting Registration and Magnification................................................................... 171
ID Sensor Error Analysis (SP 2221)...........................................................................172
Display APS Data (SP 4301 1) ..................................................................................173
Memory Clear ............................................................................................................ 174
Input Check (SP 5803) .............................................................................................. 176
Output Check (SP 5804)............................................................................................179
Serial Number Input (SP 5811) ..................................................................................181
NVRAM Data Upload/Download (SP 5824/5825) ...................................................... 181
Firmware Update Procedure......................................................................................183
Test Pattern Print (SP 5902 1) ...................................................................................187
Paper Jam Counters (SP 7504)................................................................................. 189
SMC Print (SP 5990) .................................................................................................190
Original Jam History Display (SP 7508).....................................................................190
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