Olivetti d-Color MF2552 plus Service Manual page 372

Code Contents
F051 Scanner engine ROM
checksum error
NOTE:
The other F codes are indicated to the appendix (see page 2-4-14).
Service Manual
Causes
Scanner software Install the latest scanner software.
ISC PWB
1-4-74
Check procedures/
corrective measures
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Confirm that the EEPROM has been
properly installed.
3. If not corrected, Replace the ISC PWB.
2NP-5
Y116141-8