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Table of Contents 
1.  SC Codes ............................................................................................................................................ 7 
Self-Diagnostic Mode ............................................................................................................................. 7 
Service Call Conditions ...................................................................................................................... 7 
SC Logging ......................................................................................................................................... 8 
SC Automatic Reboot ......................................................................................................................... 8 
SC Manual Reboot ........................................................................................................................... 10 
Service Call 101-195(Scanning) ........................................................................................................... 12 
SC100 (Engine) ................................................................................................................................ 12 
Service Call 202-286 (Image Writing) .................................................................................................. 23 
SC200 (Engine) ................................................................................................................................ 23 
Service Call 300-398 ............................................................................................................................ 31 
SC300 (Engine: Charge, Development) ........................................................................................... 31 
Service Call 400-498 ............................................................................................................................ 51 
SC400 (Engine: Around the Drum) .................................................................................................. 51 
Service Call 501-595 ............................................................................................................................ 64 
SC500 (Engine: Paper transport 1: Paper Feed, Duplex, and Transport) ....................................... 64 
Service Call 600-672 (Controller) ....................................................................................................... 119 
SC632 to SC653, SC670 to SC672 ............................................................................................... 119 
Service Call 603-689 (Engine) ........................................................................................................... 122 
SC600 (Engine: Communication and Others) ................................................................................ 122 
Service Call 700-740 .......................................................................................................................... 148 
SC700 (Engine: Peripherals) .......................................................................................................... 148 
Service Call 750-790 .......................................................................................................................... 193 
SC700 (Engine: Peripherals) .......................................................................................................... 193 
Service Call 816-899 .......................................................................................................................... 373 
SC816 to SC899 ............................................................................................................................. 373 
Service Call 900-998 (Controller) ....................................................................................................... 377 
SC900 to SC998 ............................................................................................................................. 377 
Service Call 995 (Engine) ................................................................................................................... 386 
SC995 (Engine: Others) ................................................................................................................. 386 
2.  JAM Codes ..................................................................................................................................... 387 
Jam Detection ..................................................................................................................................... 387 
Jam Displays................................................................................................................................... 387 
Jam Removal .................................................................................................................................. 387 
Printer Engine Jam History ............................................................................................................. 388 
Jam Code Descriptions .................................................................................................................. 388 
3.  Troubleshooting: Paper Delivery Problems .................................................................................... 403