The communication error. message appears – HP LaserJet Pro 400 MFP M425 User Manual
Page 133
●
Plug the product phone cord into a jack for another phone line.
●
Make sure the telephone line and phone wall jack are active by plugging in a telephone and checking for
a dial tone.
●
Make sure that the telephone cord is plugged into the “line” port on the product.
●
Check the phone line by running a fax test from the control panel.
●
If the error persists, contact HP. See
support flyer that came
in the product box.
The Communication error. message appears
●
Ask the sender to send the fax again or send at a later time when line conditions have improved.
●
Unplug the product telephone cord from the wall, plug in a telephone, and try making a call. Plug the
product phone cord into a jack for another phone line.
●
Try a different phone cord.
●
Set the
Fax Speed
option to the
Slow(V.29)
or
Medium(V.17)
setting, or disable the
Fast(V.34)
setting.
a.
From the Home screen on the product control panel, touch the Setup button.
b.
Open the
Fax Setup
menu.
c.
Open the
Advanced Setup
menu.
d.
Open the
Fax Speed
menu.
e.
Select the correct setting.
●
Turn off the
Error Correction
feature to prevent automatic error correction.
NOTE:
Turning off the
Error Correction
feature can reduce image quality.
a.
From the Home screen on the product control panel, touch the Setup button.
b.
Open the
Service
menu.
c.
Open the
Fax Service
menu.
d.
Open the
Error Correction
menu.
e.
Select the
Off
setting.
●
Print the
Fax Activity Log
report from the control panel to determine if the error occurs with a specific
fax number.
a.
Touch the
Fax
button, and then touch the
Fax Menu
button.
b.
Open the
Fax Reports
menu.
c.
Open the
Fax Activity Log
menu.
d.
Select the
Print Log Now
option.
●
If the error persists, contact HP. See
support flyer that came
in the product box.
ENWW
Solve fax problems 117