Error - Position Rollers Slipping

An explanation and troubleshooting steps for Error 111 - Position rollers slipping.

General Resolution
Continue the sort to clear the machine.   Tighten the metal plate under the glass tray.  Clean the foam rollers.

The PhyzBatch scanner contains 2 foam rollers that move cards over a glass plate to be scanned.  If the machine detects a card not moving in the scanner but the foam rollers are spinning, it will throw this error.  This is much more likely to manifest as an Entry or Exit sensor error.  This error has 2 causes:

  • the foam rollers are not gripping the card because they have become dusty
  • there is not enough pressure between the foam roller and glass, and so there is no friction on the card

If the problem is intermittent, you may immediately resume your sort.  The PhyzBatch will attempt to clear the excess cards and continue.  

To determine the root cause of the issue, open the scanner and watch the interior of the machine as cards feed through.  To clean the foam rollers and adjust the glass plate, do the following:

  • With the scanner bay open, remove the bottom screw (2mm Allen key), loosen the top two screws, and loosen the bottom two thumbscrews holding the metal plate supporting the glass tray.

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  • Remove the metal plate.
  • Pull the glass tray out

The glass is held to the tray by a tab on the front edge which may become loose during removal.  Make sure not to drop the glass!

  • Check that the glass has no debris or residue on it.  Excess residue from dirty cards (builds up over a long period of time, depending on card condition) can cause additional friction.  Clean with glass cleaner if necessary.
  • With the glass panel removed, apply a small amount of water or isopropyl alcohol to a cloth and wipe the rollers down.
  • For reinstallation, insert the glass tray back into the slot.  Make sure the glass is under the edges of the front plate and the tab at the far end fits into the slot on the far wall of the scanning bay.
  • glass_plate_reinstall
      Reinstall the metal plate under the glass tray holder.  The thumbscrews adjust the height of the plate.  The plate should be pressed upwards on the glass tray to hold it in place.  Press upwards on the plate while tightening the screws.  If there isn't enough pressure between the foam rollers and glass, they will not move cards properly.  Once the thumb screws are tightened, tighten the smaller screws to hold the assembly in place.

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