Printer: Cannon MF4320d. I gave the command &quot;lpr  NNInteraction_Poster.pdf&quot;, then typed &quot;lpq&quot; which shows<br><br> MF4320-4350_(UFRII_LT) is ready and printing<br>Rank    Owner   Job     File(s)                                       Total Size<br>
active  Ritika  636     NNInteraction_Poster.pdf        549888 bytes<br><br>After a while &quot;lpq&quot; command returns:<br><br>MF4320-4350_(UFRII_LT) is ready<br>no entries<br><br>But no printout is there. Is the driver missing? But then MF4320-4350_(UFRII_LT) will not come. What might be the problem?<br>