Gestetner A193 Service Manual page 618

SERVICE LEVEL FUNCTIONS
4. Connect the source EPROM board [A] or FCU board [B] to the data copy
tool [C], and make sure that the switch [D] on the data copy tool is on.

CAUTION
If the machine has an optional Function Upgrade Card, change bit 7 of
the System Switch 1E to "1", before removing the card, or the
programmed data on the card may be lost. Reset the switch back to
zero before step 11 below, otherwise the fax unit will not start up
without the card installed.
[F]
5. Remove the cover [E], and insert the copy tool [C] in the lower left slot [F].
 
6. Turn on the machine's ac and main switches, then enter the fax service mode.
7. Press

8. Press then
If the software has been successfully
downloaded, the machine displays 'OK'.
Otherwise, the machine displays 'NG'.
9. Exit service mode, then turn off the ac and main switches, and disconnect the tools.
10. Note: If the machine had a Function Upgrade Card before downloading
the software, re-install the card back in the slot before switching the
power on.
11. Turn the machine back on.
12. Erase the SAF memory data using service function 07 - 2.
13. Print the system parameter list to check the new ROM version.
SM
[B]

4-14
[E]
[C]
[D]
[A]
A194M553.wmf
A194M530.img
(A639)