MS / MX series code list
Family-scoped printer codes with severity and the shortest useful meaning line for quick triage.
111.xx
The printer detected a printhead error and may need service if the fault repeats.
111.xx error shown on the printer panel.
200 / 201 / 202
A paper jam was detected in the middle or front paper path.
200, 201, or 202 paper jam shown on the printer panel.
920 - 925
The printer reported a fuser service error and may need support if a restart does not clear it.
920.xx to 925.xx service fuser message shown on the printer panel.
250.18
The printer thinks the MPF tray is not loaded or aligned correctly.
250.18 paper jam or Load Paper in MPF Tray message shown on the printer panel.