Flash Memory - Minolta CF1501 Service Manual

5-3.

FLASH MEMORY

Software has conventionally been upgraded by replacing ROM on each board.
This copier employs flash memory for the system control IC mounted on the MSC Board.
Its contents are reprogrammed easily by performing the following steps using the IC card
(memory card), into which data has been previously downloaded.
NOTE
• NEVER remove or insert the memory card with the copier power turned ON.
1. With the Power Switch in the OFF position, unplug the power cord from the power out-
let.
2. Remove the Ozone Filter.
3. Open the Left Door.
4. Remove the Waste Toner Bottle.
5. Remove the Rear Left Cover.
7. Plug the power cord into the power outlet and turn ON the Power Switch.
✽ Four different types of F/W appear on the Touch Panel.
9. Press the Start key.
✽ This starts the data rewriting sequence. (At this time, the Start key starts blinking red.)
Time Required for Rewriting
Four types at once: Approx. 13 min.
Individual: MSC (approx. 1 min. 30 sec.), PRT (approx. 6 min.), IR (approx. 7 min.),
PIC (approx. 6 min.)
10. Check that the Touch Panel shows the message indicating that the data has been
rewritten correctly ("Downloading Completed"). Check also the Check Sum value
("Check Sum XXXX") shown on the Touch Panel. (The Start key blinks green.)
6. Insert the memory card into the slot.
4004D191AA
8. Select the particular type of F/W to be updated.
4004D519AB
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