TROUBLESHOOTINGErrorNumberDisplayCode Description27 0830 Bypass trail edge shingle jam28 0831 Tray 1 trail edge shingle jam29 0832 Tray 2 trail edge shingle jam30 0833 HCF trail edge shingle jam31 0834 2-sided return trail edge shingle jam32 0901 Photoreceptor CRU warning33 0902 Photoreceptor CRU end of life34 0903 Photoreceptor CRU wrong type35 0904 Photoreceptor CRU missing or write fail36 0911 Developer CRU warning37 0912 Developer CRU end of life38 0913 Developer CRU wrong type39 0914 Developer CRU missing or write fail40 0921 Toner CRU warning41 0922 Toner CRU end of life42 0923 Toner CRU wrong type43 0924 Toner CRU missing or write fail44 1001 Fuser fails45 1002 Thermistor disconnect46 1003 Fuser temperature low47 1004 Fuser temperature high48 1005 Fuser on too long49 1020 Bypass pre-feedout/fuser jam50 1021 Tray 1 pre-feedout/fuser jam51 1022 Tray 2 pre-feedout/fuser jam52 1023 HCF pre-feedout/fuser jam53 1024 2-sided return pre-feedout fuser jam54 1025 Exit lead edge jamXEROX 4213 LASER PRINTER USER GUIDE 6-13