
Appendix B: PJL support | 
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  | = Supported  | 
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  | X = Not supported  | 
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  | Printer model  | |
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  | Message  | Status code  | Return string  | C950  | 
  | X950, X952, X954  | 
  | Intervention Required -  | 40021  | Close door or | X  | 
  | X  | 
  | Close Door Insert  | 
  | insert  | 
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  | Cartridge  | 
  | cartridge  | 
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  | Intervention Required -  | 40021  | Close Finisher  | X  | 
  | X  | 
  | Close Finisher Door  | 
  | Door  | 
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  | Intervention Required -  | 40021  | Close Finisher  | X  | 
  | X  | 
  | Close Finisher Side Door  | 
  | Side Door  | 
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  | Intervention Required -  | 40021  | Close Finisher  | X  | 
  | X  | 
  | Close Finisher Top Cover  | 
  | Top Cover  | 
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  | Intervention Required -  | 40021  | Close Front Door  | X  | 
  | X  | 
  | Close Front Door  | 
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  | Intervention Required -  | 40021  | Close Side Door  | X  | 
  | X  | 
  | Close Side Door  | 
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  | Intervention Required -  | 40021  | Close surface H  | X  | 
  | X  | 
  | Close Surface  | 
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  | Intervention Required -  | 40021  | Close top access  | X  | 
  | X  | 
  | Close Cover  | 
  | cover  | 
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  | Intervention Required -  | 40021  | Close top access  | X  | 
  | X  | 
  | Close Cover and Door  | 
  | cover and front  | 
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  | door  | 
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  | Intervention Required -  | 40021  | Close <tray>  | X  | 
  | X  | 
  | Close Door  | 
  | door  | 
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  | Intervention Required -  | 40021  | Close Tray <x>  | X  | 
  | X  | 
  | Close Tray <x> Top Cover  | 
  | Top Cover  | 
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  | Intervention Required -  | 40021  | Cover Open,  | X  | 
  | X  | 
  | Printer Upper Door Open  | 
  | Close Top  | 
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  | Covers, Close  | 
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  | Door, or Insert  | 
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  | Cartridge  | 
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  | Intervention Required -  | 40021  | Insert Print  | X  | 
  | X  | 
  | Insert Print Cartridge  | 
  | Cartridge  | 
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  | Intervention Required -  | 40021  | Open Cover  | X  | 
  | X  | 
  | Open Cover  | 
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  | Intervention Required -  | 40021  | Open Rear Door | X  | 
  | X  | 
  | Open Rear Door  | 
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*This message contains a subset of letters CMYK, where CMYK denotes Cyan, Magenta, Yellow, and Black cartridges, respectively.