Section 2: Accessories Installation
Page 2-6 PN 9001110A SATO CX400 Service Manual
1. Load the printer with ribbon and media as required.
2. Turn the printer on and allow 3 seconds to power up.
3. Enter the MS-DOS mode on the computer.
4. Type “X:SATO” (were X is the location fo the Firmware Upgrade file) at the DOS prompt.
5. Allow 5 minutes for the power and error LED’s to begin blinking in synchronicity.
6. Toggle the power switch off and then on again to complete the process.
7. Press and hold the printer feed button until it begins printing a self-testing label.
8. Switch the printer off and then on again to return to operation mode.
9. Examine the self-test label contents to ensure a correct upgrade or reload.
10. Repeat as necessary until the printed check sum is 0000.
11. Disconnect computer from the parallel port.
NOTE: The check sum value should always be 0000. Otherwise,
there are error bits in the onboard flash memory. The sum value is
the last four characters printed in the upper left row of the self-test
label. Refer to Self-Diagnosis in the Troubleshooting section of his
manual if still unsure.