Ricoh FACSIMILE FAX77 Field Service Manual page 44

Function
No
RAM printout
93
94 Error code display and service
report printout
95 Serial number programming
96 Test Mode
Programming the thermal head
97
pulse width and size
Programming NCU parameters
98
99 Maximum address limitation
Explanation
Use this to print a table of RAM address contents.
See page 2-19.
The most recent 32 error codes can be displayed.
The service report lists the most recent 32 error
codes and gives information on the 10 most recent
communications that experienced errors. See page 2-
20.
When installing the unit, use this function to program
the machine's serial number. See page 2-20.
Use this to enter the system test mode. See page 2-
22.
Use this function whenever you install a new thermal
head or SRAM board. See page 2-21.
Use this to adjust NCU parameters for ringing detec-
tion and dialling. See page 2-21.
2-13