When replacing the platen rollers in a Sato LT408 printer, the following steps must be performed:


Print Head Platen Roller

  • Release the print head
  • Using a #2 Phillips-head screwdriver, loosen the screw securing the platen roller
  • Rotate the retaining clip until it is no longer applying pressure to the platen roller
  • Move the roller to the right until its left side is no longer seated inside the spine plate
    • The bearing and spacer will be placed on the new roller, so be sure they do not fall off when moving the roller
  • Remove the bearing and spacer from the right end of the platen roller
    • Place these parts somewhere they will not be lost until the new roller is placed in the printer
  • Swing the left side of the roller forward and remove the roller from the printer
  • Place the new roller in the printerĀ 
    • The right side will be seated first, followed by the left, using the reverse steps taken to remove the old platen roller
      • Keep the new platen roller pushed to the right, as was done with the old roller before it was removed
  • Place bearing and spacer on the new roller
  • Move roller to the left, ensuring that the gear on the left side of the roller is seated inside the spine plate
  • Rotate the retaining clip until it is seated over the platen roller and tighten the screw
    • The clip should not touch the platen roller shaft once tightened



Pinch Gate Platen Roller

  • Release the print head
  • Using a #2 Phillips-head screwdriver, loosen the screw securing the platen roller
  • Rotate the retaining clip until it is no longer applying pressure to the platen roller
  • Release the pinch gate and hold the pinch gate bracket back to keep it out of the way
  • Move the roller to the right until its left side is no longer seated inside the spine plate
  • Swing the left side of the roller forward and remove the roller from the printer
  • Place the new roller in the printerĀ 
    • The right side will be seated first, followed by the left, using the reverse steps taken to remove the old platen roller
      • Keep the new platen roller pushed to the right, as was done with the old roller before it was removed
  • Move roller to the left, ensuring that the gear on the left side of the roller is seated inside the spine plate
  • Rotate the retaining clip until it is seated over the platen roller and tighten the screw
    • The clip should not touch the platen roller shaft once tightened