HP LaserJet 6P - Page 174

LED Display
5P/5MP 6P/6MP
ERROR CODE Description and Recommendation
62.0 Internal Memory
Problem
63 Internal RAM
Memory Test Failed
64 Scan Buffer Error
1. Power-cycle the printer.
2. Replace the Formatter PCA.
Table 10. 62/63/64 Internal Memory Error
HP LaserJet 5P/5MP, 6P/6MP Printer Service Supplement
Troubleshooting
71