Minolta Di551 Service Manual page 556

9. Exiting ISW Trns.
When the update of the ROM data on the control
boards completes, exit the ISW Trns program.
Step Procedure
1 Exit the ISW Trns program.
2 Turn OFF the PC.
3 Turn OFF the copier main switch.
4 Disconnect the parallel interface cable from
the PC and the copier.
Note: Turn OFF the PC and copier before
disconnecting the parallel interface
cable from them.
10. Verifying the ROM version of the copier
(after updating)
When the update of the ROM data completes,
verify the ROM version of the control program in
the 25 mode.
Step Procedure
1 Turn OFF the copier main switch.
2 Turn ON the copier main switch while holding
down the copy count setup buttons 2 and 5, to
enable 25 mode.
3 [25 mode menu window]
Check the ROM version by following the
copier-specific procedure.
Note: For operating instructions, refer to
the Adjustment section of the service
manual supplied for the copier.
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ISW