| 
  9.E:
   |   
 
  9:
   | 
  
  9.C: 
   | 
   
   
   | 
Let's say that without thinking (an understatement) you accidentally sent the Encyclopedia Brittanica to the printer. This is a case where you need to cancel a job in the print queue or already printing.
Use the line printer remove or cancel commands followed by the job number to cancel a print job:
 > lprm 601
 > cancel 601
> lpq 
 daphy: Fri Jul 26 14:47:49 1996: Fri Jul 26 14:46:58 1996:
Attempting to print dfA601daphy Rank Pri Owner Job Files Total Size
active 0 rubin 601 cp05.ps 375122 bytes
Queue   Dev   Status    Job Files              User         PP %   Blks  Cp Rnk
------- ----- --------- --- ------------------ ---------- ---- -- ----- --- ---
ps2     @goop READY    
ps2: Fri Jul 26 14:46:58 1996: Attempting to print dfA601daphy
ps2     ps2   RUNNING     0 601                 0             0  0     1  1   0
We see  that the job number is 601.  
Because we do not have to cancel the Encyclopedia Brittanica, we will go on to Smart Printing.
| 
  9.E:
   |   
 
  9:
   | 
  
  9.C: 
   | 
   
   
   |