Ricoh D129 Service Manual page 514

Communication error of the remote service modem
650 -
(Embedded RCG-M)
Authentication error
The authentication for the Embedded RCG-M fails at a dial up connection.

Incorrect SP settings
-001 -

Disconnected telephone line

Disconnected modem board
Check and set the correct user name (SP5816-156) and password
(SP5816-157).
Incorrect modem setting
Dial up fails due to the incorrect modem setting.
-004 -

Same as -001
Check and set the correct AT command (SP5816-160).
Communication line error
The supplied voltage is not sufficient due to a defective communication line
-005 - or defective connection.

Same as -001
Consult with the user's local telephone company.
Modem board error 1
The modem board does not work properly even though the setting of the
modem board is installed with a dial up connection.
-013 -

Same as -001
1. Install the modem board.
2. Check and reset the modem board setting with SP5816.
3. Replace the modem board.
Modem board error 2
The modem board is installed even though the RCG-N is installed.
-014 -
1. Uninstall the modem board, if it is installed.
2. Check that the Wireless LAN or Ethernet LAN is working properly.
SM 6-25
Service Call Conditions
D129/D130