Dell COLOR PRINTER 2155CDN User Manual page 389

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If you are experiencing fax send or receive errors, there is an advanced fax
settings menu which you can access and change the settings accordingly.
To enter the Diagnostic Menu (Customer Mode), follow the instructions.
1 Turn off the printer.
2 Disconnect all network, phone line, and USB cables from the device.
3 Turn on the printer while holding down
Customer Mode.
After all the advanced fax settings have been made, you will need to turn off
and on the printer for the new settings to be effective.
Fax Data Encoding Method
Some of the legacy fax devices do not support the Joint Bi-level Image Experts
Group (JBIG) data encoding method. You may experience fax send or receive
errors due to this data encoding method. You can disable the JBIG and select the
Modified Huffman (MH), Modified Read (MR), or Modified Modified Read
(MMR) encoding with the following instructions.
You can change the modem transmission encoding with the following
instructions.
1 Turn on the printer while holding down
Customer Mode.
2 Press button to select Fax/Scanner Diag, and then press the
(Set) button.
3 Press button until Parameter appears, and then press the
button.
4 Ensure that FAX Parameter appears, and then press the
5 Press button until G3M TX Coding appears, and then press the
(Set) button.
6 Press button until the desired encoding appears, and then press the
(Set) button.
You can select MH, MR, or MMR.
You can change the modem receive encoding with the following instructions.
1 Turn on the printer while holding down
Customer Mode.
D E L L C O N F I D E N T I A L – P R E L I M I N A RY 9 / 1 3 / 1 0 - F O R P R O O F O N LY
FILE LOCATION: C:\Users\fxstdpc-
and buttons to start in
and buttons to start in
and buttons to start in
Faxing
(Set)
(Set) button.
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