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Serial Number Input (SP 5811)...............................................................................................................160

NVRAM Data Upload/Download (SP 5824/5825)...........................................................................161

Test Pattern Print (SP 5902 1)..................................................................................................................163

Paper Jam Counters (SP 7504)...............................................................................................................165

SMC Print (SP 5990)................................................................................................................................166

Original Jam History Display (SP 7508).................................................................................................167

ADF APS Sensor Output Display (SP 6901)...........................................................................................168

Firmware Update Procedure .......................................................................................................................170

Engine (BICU) Firmware Update Procedure...........................................................................................170

GDI (Printer Scanner) Update Procedure................................................................................................171

6. Troubleshooting

Service Call Conditions.................................................................................................................................177

Summary....................................................................................................................................................177

SC Code Descriptions...............................................................................................................................178

Electrical Component Defects.......................................................................................................................193

Sensors.......................................................................................................................................................193

Switches.....................................................................................................................................................195

Blown Fuse Conditions..................................................................................................................................197

LED Display....................................................................................................................................................198

BICU...........................................................................................................................................................198

7. Energy Saving

Energy Save...................................................................................................................................................199

Energy Saver Modes................................................................................................................................199

Paper Save.....................................................................................................................................................203

Effectiveness of Duplex/Combine Function............................................................................................203