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Description of problem:
Using system-config-printer to set up a Brother MFC-8440 multifunction PostScript printer, connected via USB.
In the Printer Model panel of Add a new print queue, there is no entry for MFC-8440.  I think the closest entry is HL-5050 (the MFC-8440 uses the same print engine as the HL-5150D and HL-5170DN, which replace the HL-5050, but the MFC-8440 does not duplex).  
The following messages are sent to the terminal session where system-config-printer was started:
---
No match for USB device:
  mfr "Brother"
  model "MFC-8440"
  desc ""
  cmdset "HBP,PJL,PCL,PCLXL"
Please report this message in Bugzilla:
  https://bugzilla.redhat.com/bugzilla
Choose 'foomatic' as the component.
looking for type: got text/plain
---

I tried using the Action > Import PPD ... menu item to install the PPD which came with the printer (BR8440_2.ppd).  It said it imported it, but that had no effect on this problem.  There was no place which I could find, to tell it to actually use the imported PPD.

Version-Release number of selected component (if applicable):
foomatic-3.0.2-3

How reproducible:
Always

Steps to Reproduce:
1.Obtain an MFC-8440, power it on, and connect it to a USB port
2.From a terminal, issue system-config-printer
3.Action > New queue
4.On the Add a new print queue panel, click Forward
5.On the Queue name panel, click Forward
6.On the Queue type panel, select Locally-connected, then select the MFC-8440 in the listbox.  Finally, click Forward
7.On the Printer model panel, select Brother as the manufacturer
8.Scroll the list of printer models, with intent to select MFC-8440
  

Actual Results:  The list of printer models (step 8, above) does not contain an MFC-8440 entry.

Expected Results:  Find an MFC-8440 entry and select it

Additional info:

1. Using Import PPD and importing an MFC-8440 PPD does not create an MFC-8440 entry in the Brother Printer model list.  Don't know if it should, or not.
2. Can't find anything that is supposed to happen, when you have imported a PPD.
3. Selecting HL-5050 as the Printer model works, so far (at least, it prints acceptable test pages)
4. There are also no entries for the MFC-8840D and MFC-8840DN, which are similar to the MFC-8440, but add duplexing (the MFC-8840DN also adds an ethernet interface).
5. When HL-5050 is selected as the model, system-config-printer correctly chooses the PostScript printer driver.

Question:  how do I get it to use the PPD which came with the printer, or, how do I determine what PPD it is currently using, or, how does the Import PPD ... action get associated with a printer?