Ricoh D093 - @Remote Communication Errors 1;Incorrect Modem Setting; Engine-Controller Communication Error: no Response; SD Card Error; Version Error

Service Call Tables
D093/D094 7-28 SM
636-1 D SD Card Error
CTL
Expanded authentication module error
 No expanded authentication module in the machine. (Install expanded
authentication module.)
 Expanded authentication module file is corrupted.
 Expanded authentication module SD card is damaged.
 No DESS module in the machine. (Install DESS module.)
636-2 D Version Error
CTL
The version of the expanded authentication module is not correct.
 Install the correct file of the expanded authentication module.
SC641 D Engine-Controller Communication Error: No Response
CTL
There was no response to a frame sent from the controller board to the
engine.
 Cycle the machine off/on.
650 B @Remote communication errors 1
CTL
650-1 Authentication error
Authentication for Cumin-M failed at a dial up connection.
 Incorrect SP settings
 Disconnected telephone line
 Disconnected modem board
 Check and set the correct user name (SP5816-156) and password
(SP5816-157).
650-4 Incorrect modem setting
 Dial-up failed due to incorrect modem setting. (Possible causes same
as 650-1 above.)
 Check, correct modem settings (SP5819-160)