When replacing the platen rollers in a Sato LT408 printer, the following steps must be performed:
Print Head Platen Roller (A)
- 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 printer
- 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
- The right side will be seated first, followed by the left, using the reverse steps taken to remove the old platen roller
- 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 (B)
- 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 printer
- 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
- The right side will be seated first, followed by the left, using the reverse steps taken to remove the old platen 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
