Replacing Platen Roller - SATO 9001226(A) Service Manual

7.3 REPLACING PLATEN ROLLER

The printer's platen roller is considered to be a high-wear component due to constant treading of the print
media and ribbon stock against its contact surface. This constant contact will eventually wear grooves into the
rubber material and negatively effect print output.
With the power supply is off, lift up the main cover.
1.
Release the purple head lock lever to lift up the print head assembly . Remove the media stock if loaded.
2.
Detach the cutter unit .
3.
Unscrew the shaft that holds the cutter unit in place, removed the shaft and set aside. Carefully lift and pull
out the cutter unit.
Detach the operator panel .
4.
Unscrew and remove two screws on the top and right side of the operator panel cover.
Lift upwards to remove the operator panel cover as there are four catches on the bottom of the cover.
Unscrew the two screws (1) and to remove a Supporter clamp (2) securing the Platen roller assembly .
5.
Then, remove the Bearing (3) from the Platen roller assembly .
6.
Loosen the two Hex socket set screws (4) with a Hex wrench and carefully withdraw the defective
7.
Platen roller assembly (5) from the left side of printer.
Remove a bushing (8) on the left side of the Platen roller and two bushing (6 and 7) on the right as
8.
shown.
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TG3 Series Service Manual
Section 7: Replacement Procedures
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