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Confidential
9.
TROUBLESHOOTING OF THE COMMUNICATIONS ERROR
If a communications error occurs, the machine
(1) Gives an alarm (intermittent bleep) for approximately four seconds.
(2) Indicates the appropriate error message on the LCD.
(3) Prints the transmission report during fax transmission.
■
Definition of error codes on the communications list
(1) Calling
(2) Command reception
Code 1
Code 2
Causes
10
08
Wrong number called.
11
01
No dial tone detected before start of dialing.
11
02
Busy tone detected before dialing.
11
03
2nd dial tone not detected.
11
05
No loop current detected. *
11
06
Busy tone detected after dialing or called.
11
07
No response from the remote station in sending.
11
10
Unobtainable tone detected after dialing.
17
07
No response from the calling station in receiving.
* Available in German models only.
Code 1
Code 2
Causes
20
01
Unable to detect a flag field.
20
02
Carrier was OFF for 200 ms or longer.
20
03
Abort detected ("1" in succession for 7 bits or more).
20
04
Overrun detected.
20
05
A frame for 3 seconds or more received.
20
06
CRC error in answerback.
20
07
Error command received.
20
08
Invalid command received.
20
09
Command ignored once for document setting or for dumping-out
at turn-around transmission.
20
0A
T5 time-out error
20
0B
CRP received.
20
0C
EOR and NULL received.
Summary of Contents for DCP-7030
Page 201: ...5 5 Confidential Print sample Fig 5 1 ...
Page 226: ...5 30 Confidential Location of fans Fig 5 13 Fan motor 60 unit Right side ...
Page 234: ...6 2 Confidential LVPS PCB Circuit Diagram 100V ...
Page 235: ...6 3 Confidential LVPS PCB Circuit Diagram 200V ...
Page 239: ...6 7 Confidential Wiring Diagram ...