HP LaserJet 4 Service Manual - Page 236

Table 7-1 Printer Messages (continued) Message 53.XY.ZZ ERROR Symptoms and Recommendations An error occurred during configuration and validation of SIMM memory: X Hardware Type: 0:ROM 1:RAM 2:Flash Y Hardware Device: 0: Internal Memory 1: SIMM Slot 1 2: SIMM Slot 2 3: SIMM Slot 3 4: SIMM Slot 4 ZZ Error Number: 0: Unsupported Memory 1: Unrecognized Memory 2: Unsupported Memory Size 3: Failed RAM Test 4: Exceeded Maximum RAM Size 5: Exceeded Maximum ROM Size 6: Invalid SIMM Speed 7: SIMM Reporting Information Incorrectly 8: SIMM RAM Parity Error LaserJet 4/4m only 9: SIMM ROM Needs To Be Mapped To An Unsupported Address 10:SIMM Address Conflict 11:PDC XROM out of bounds 12:Could not make a temporary mapping Replace the SIMM device that caused the error. Pressing [Continue]* allows you to continue but the SIMM device that caused the error is not configured. If the SIMM device has more than one bank of memory, the good banks are configured. *Press Go on the LJ5. Note Refer to the "Product Family Compatibility Matrix" in Chapter 1, or for the LaserJet 5, Appendix B to verify correct memory for the printer. 7-6 Troubleshooting