Installation manual

1 OF 1
MFP
TT-20405
Models:
MX-FXX2 • Option for:
MX-2600N/MX-3100N
MX-4100N/MX-4101N/MX-5001N
MX-M283N/MX-M363N/MX-M453N/MX-M503N
MX-M363U/MX-M453U/MX-M503U
MX-M623N/MX-M753N
MX-M623U/MX-M753U
Priority:
Medium
Date:
March 2012
Subject:
Communications Errors NG and ComE when Sending or Receiving
Symptom:
Not able to send or receive due to communication errors.
Solution:
Slow down modem speed and turn off jbig and v.34 speed.
Set the switches as shown below:
Switch 27 set bits 1-8 to: 00111111
Switch 28 set bits 1-8 to: 11111101
Switch 29 set bits 1-8 to: 00000101
If problems continue turn on the protocol monitor with switch 37 set bit 1 to: 1 to print
always and then contact the hotline with this print out.
Note:
Always use the phone line that is packaged with the option. This is a 2 wire line that has
a red and green wire for tip and ring. Multiple wire phone lines can cause communication
issues. Also never share this phone line with any other device.
TECHNICAL
TIP