7-13
602E52970
7.2.5 Replacing System Firmware
1) Before replacing the system software EPROM - operation which entails the loss
of all data and of all configuration and installation parameters - it is necessary to:
- ensure that there are no documents in the memory, eliminating any causes
which prevent them from being printed (paper end, ink end, etc.)
- print the activity report, the installation and configuration parameters and the
list of one-touch dial and speed dialling numbers
2) Flip the basement upside down (steps 1 through 4 of sect. 7.2.3) and replace the
EPROM (Fig. 7-19):
Fig. 7-19
3) Perform the LOAD DEFAULT (see sect. 6.1.7), ALIGNMENT TEST (see sect. 6.1.1)
and SCANNER SHADING (see sect. 6.1.8) procedures
4) Perform the fax machine nationalisation procedure, reset installation and con-
figuration parameters as well as the one-touch and speed dialling numbers,
using the data printed previously (see sect. 3.2).
7.2.6 Replacing the Power Supply Board
1) Disassemble the base (sect. 7.2.3) and remove the screen of the motherboard
(see sect. 7.2.4)
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