There are many variables that go into creating the perfect printed product. Should you encounter runnability issues, please refer to the following troubleshooting guidelines:

Troubleshooting Jamming Issues

  • If jamming problems are occurring, obtain as many details as possible using your powers of observation. Ask questions. 
  • Is the proper paper being used for the application? 
  • Do other papers show the same or similar problem? 
  • Where is the jamming occurring? Simplex or duplex? Feed or delivery? 
  • Has a service rep checked the copier over? Was anything done to try to eliminate or minimize the problem? Any success? 
  • Is the paper loaded correctly? What happens is you turn the paper over or flip the paper end for end? 
  • Are the reams sealed until loading the copier? 
  • Is the paper sitting in the copier for extended periods? 
  • Are the reams free of obvious defects; glue, bent corners, poor jogging, poor cut (fuzzy edges), welded edges? 
  • Once you have this basic information and you’re still not certain if the problem is copier related, paper related or a little of both, try a “control” ream.

Control Testing

  • A control ream can be the ultimate test in determining if the problem is due to paper or the copier/printer. 
  • A control ream can be a fresh, properly sealed ream of the same paper that has just been unwrapped. If the fresh ream works, it may be that the paper is picking up or losing moisture as it sits in the printer. You should expect Monday morning jams in periods of weather extremes. 
  • A control ream can be the same grade, but a different series or lot number. If a ream from a different lot works, the initial lot may have a problem of some type. If neither ream performs the copier/printer becomes suspect, especially if both reams yield similar or even identical problems. 
  • A control ream can be a different grade, even from a competitor. This scenario is the same as the last example. 
  • A control ream can be the same “problem” paper, but run in another (hopefully similar) copier/printer. If the paper produces the same problem it may well be at fault. If the paper performs well the first copier becomes suspect.

Control Reams

  • In running control reams, keep in mind that the fault may actually lie with both the paper and the copier. The paper may be within its manufacturing specifications just as the copier is within it operating specifications. However, if the paper is closer to the high side and the copier is on the low side of a corresponding specification, for example, there is a gap created between the two and the result is often a jam. 
  • If the customer is telling you the jamming only started when they started using your paper, remember, somebody’s paper will always be the first to discover an equipment problem. 
  • If all else fails, the mill may have to do further analysis and testing. Fill out a complaint form and send at least one full unopened ream to your mill complaints contact.

 

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