Xerox Phaser 6121MFP Service Manual page 145

Error Messages and Codes
Error code: 00C4
Definition: After sending MPS signal, the received signal is not one of MCF, RTN,
PIP, PIN, RTP, or DCN.
Solution:
1. Set SOFT SW21[5] to "1"(T4 timer=4.5 sec.).
2. Print out the protocol report, and provide it to Technical Support for analysis.
Error code: 00C5
Definition: Received DCN signal after sending MPS signal.
Solution:
1. Resend the fax.
2. Print out the protocol report, and provide it to Technical Support for analysis.
Error code: 00C9
Definition: At phase-D, sending MPS 3 times consecutively, but no answer from
receiving unit.
Solution:
1. Resend the fax
2. Check the phone line for noise, and if necessary, replace the telephone line or
contact your Telecom Service Provider.
3. Boost the TX Level of sender's machine.
4. Adjust the SOFT SW02[7-8] to "01" or "10" or "11", then resend it again.
5. Set SOFT SW21[5] to "1"(T4 timer=4.5 sec.)
6. Print out the protocol report, and provide it to Technical Support for analysis.
Error code: 00CA
Definition: After sending EOP signal, the received is not one of MCF, RTN, PIP,
PIN, PRI-EOP, DCN.
Solution:
1. Resend the fax
2. Print out the protocol report, and provide it to Technical Support for analysis.
Phaser 6121MFP Service Manual 3-39