Diagnostic Messages

The following is a translation of an an extract typed up by GFM from
Impresoras
HP laserJet 5 y 5M
Manual del usuario

The diagnostic messages inform you of a fault in the printer. In the majority of cases it is possible to clear the message by following the intructions in the column "Recommended Action" (normally re-setting the printer or switching it off and then on again. If the diagnostic message does not still appears, please contact an HP distributor or an HP representative for technical service.

Message DescriptionRecommended Action
 50 FUSOR ERROR. POWER CYCLE
The printer has identified an internal error which requires technical service. If this error appears, switch off the printer for at least 15 minutes then switch it on again. If the diagnostic message does not still appears, please contact an HP distributor or an HP representative for technical service.
51 PRINTER ERROR, POWER/CYCLE
The printer has detected a temporary error condition. If this error appears, switch off the printer then switch it on again. If the diagnostic message does not still appears, please contact an HP distributor or an HP representative for technical service.
52 PRINTER ERROR, POWER/CYCLE
The printer has identified an internal error which requires technical service. If this error appears, switch off the printer then switch it on again. If the diagnostic message does not still appears, please contact an HP distributor or an HP representative for technical service.
 53 XY.ZZ ERROR
An error has occurred during the configuration and validation of the SIMM memory. (see book) (see book)
see the book Section 7 for all the other messages