Error 86:01 – Paper Jam
Wearing/worn carriage belt. On both the 24″ (A1) and 42″ (A0) versions of this series, the carriage belt starts to deteriorate leaving rubber debris inside the printer. This can cause a clunking noise and false ‘paper jam’ messages.
Another issue related to error 86:01 is a Dirty Encoder strip.
Error 11:11 – Trailing Cable badly connected or fractured.
Error 21:10 – Service Station failure.
Error 81:01 – Paper feed motor failure.
Error 02:10, 02:13, 12:11 – Carriage Assembly failure.
Error 03:10 – Power Supply failure.
Error 05:10 – (Only applicable to HP DesignJet 800 Series) Formatter failure. Usually a hard disk failure.
Blue handle breaking (Pinch-Arm Mechanism)
Print Quality issue including weak or missing print areas.