LPD Application Processing Time
There is a problem with the printer itself.
The NFS Application Processing Time exceeds the critical value set in Expert Thresholds. The "Application Processing Time" Perhaps hardware is overloaded with disk I/0 requests, or some other system component (for example, the CPU or NIC) is too slow given the traffic it is expected to handle.
There is a hardware or software problem at the application end. Perhaps the print server hardware is overloaded with I/0 requests, or some other system component (for example, the CPU or network interface) is too slow given the traffic it is expected to handle.