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Problem Resolution5Ć56
Figure 5Ć9. Removing the Firmware IC Cover (HP FAXĆ900 or FAXĆ950)
3. Remove the firmware IC from the logic PCA.
4. Install the remote diagnostic ROM in the firmware ROM socket by aligning the ROM over the socket. Posi-
tion pin 1 at the front left corner of the IC socket. Press the ROM into place and ensure that no IC pins are bent
under the IC.
Retrieving Customer Data
Function parameter 029 must be set to ON on the diagnostic center’s and the customer’s machine in the HP FAX-900
and FAX-950. Fax parameter 52 in the HP FAX-900 and FAX-950 (diagnostic password) must be set to the same
password in the diagnostic center’s machine and in the customer’s machine. The center’s fax machine and the custom-
er’s machine must be the same model.
Retrievable Information. The following data can be retrieved from the customer’s machine:
D SYS data:
H User information:
± Logo (FAX-900 and FAX-950 Only)
± ID Number
± Character ID (Also known as station name)
± Polling password (FAX-900 and FAX-950 Only)
± TX password (FAX-950 Only)
± Rx password (FAX-950 Only)
H Relay and confidential communication parameters (FAX-950 Only)
H One-touch and speed dial numbers
H Program keys (FAX-950 Only)
H Fax parameters and function parameters (including ROM version and counters on the FAX-900
and FAX-950)