[Info-vax] Brother MFC-L3750CDW

[Chris Townley]

On 05/05/2021 17:25, Paul Anderson wrote:
> On 5/2/21 9:54 PM, Zane H. Healy wrote:
> 
>> I finally was able to figure out why I've not been able to get DCPS 
>> working.
>> It seems that the "HP LaserJet Pro M404dn" doesn't like IP_RawTCP, which
>> worked just fine with old "HP LaserJet 5MP" and the JetDirect box.  
>> Once I
>> switched that to IP_LPD in the DCPS config it started working.
>>
>> Duplex printing now works, and I spent some time relearning some other
>> features.
> 
> As time goes on, fewer and fewer printers adhere to the Adobe PostScript 
> standard of sending a ^D character to the host when a print job is done. 
> This is why using DCPS with IP_RawTCP no longer works on many printers.
> 
> A RawTCP connection on port 9100 is bi-directional, so is more robust. 
> But if a printer is ill-behaved, the uni-directional LPD is the 
> solution, as you have found.
> 
> Paul

Interestingly my printer doesn't offer application/vnd.hp-PCL when 
served through a Pi4, nor any mention of PCL, and just returns 
unsupported format if I try, Is there a way I can force it, or use 
another that includes PCL?

-- 
Chris Townley