SM  vi  D245/D246/D247 
5.6.4  HANDLING FIRMWARE UPDATE ERRORS ................................................... 5-52 
6.  TROUBLESHOOTING................................................................... 6-1 
6.1  SERVICE CALL CONDITIONS ...................................................................................... 6-1 
6.1.1  SUMMARY .......................................................................................................... 6-1 
6.2  SC CODE DESCRIPTIONS........................................................................................... 6-2 
6.2.1  SC1XX: SCANNING ............................................................................................ 6-2 
6.2.2  SC2XX: EXPOSURE ........................................................................................... 6-6 
6.2.3  SC3XX: IMAGE PROCESSING .......................................................................... 6-9 
6.2.4  SC4XX: IMAGE PROCESSING ........................................................................ 6-14 
6.2.5  SC5XX: PAPER FEED AND FUSING ............................................................... 6-15 
6.2.6  SC6XX: DEVICE COMMUNICATION ............................................................... 6-32 
6.2.7  SC7XX: PERIPHERALS ................................................................................... 6-34 
6.2.8  SC9XX: CONTROLLERS.................................................................................. 6-35 
6.3  JAM DETECTION ........................................................................................................ 6-36 
6.3.1  JAM DESCRIPTION AND POSITION CODE ................................................... 6-36 
Main Machine ........................................................................................................ 6-36 
6.3.2  SENSOR LOCATIONS ...................................................................................... 6-38