HP 4550 Service Manual - Page 102
Non-volatile memory NVRAM, NVRAM on the formatter and one on the DC controller.
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Non-volatile memory (NVRAM) The printer uses NVRAM to store I/O and information on the print environment's configuration. The contents of NVRAM are retained when the printer is deactivated or disconnected. There is one NVRAM on the formatter and one on the DC controller. 100 Printer maintenance C7085-90921
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100
Printer maintenance
C7085-90921
Non-volatile memory (NVRAM)
The printer uses NVRAM to store I/O and information on the print environment’s configuration. The
contents of NVRAM are retained when the printer is deactivated or disconnected. There is one
NVRAM on the formatter and one on the DC controller.