Ricoh MPC 2800 AT-C2, Field Service Manual, Page: 437 / 856

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
-001 -
Authentication error
The authentication for the Cumin-M fails 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).
-004 -
Incorrect modem setting
Dial up fails due to the incorrect modem setting.
Same as -001
Check and set the correct AT command (SP5819-160).
-005 -
Communication line error
The supplied voltage is not sufficient due to the defective communication line or
defective connection.
Same as -001
Consult with the user's local telephone company.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
651
CTL
C
Incorrect dial up connection
-001: Program parameter error
-002: Program execution error
An unexpected error occurs when the modem (Cumin-M) tries to call the center with
a dial up connection.
• Caused by a software bug
No action required because this SC does not interfere with operation of the machine.
SC Tables
81
3