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2. MAJOR UNIT REPLACEMENT
2.10 REPLACING THE PINCH ROLLER SHAFT ASS’Y
■Adjustment
1.Install the pinch roller unit so it parallels the base. If it does not, change the engaging position of the pinch roller belt and the pulley.
Pinch Roller Belt
Pinch Roller
Unit
Pulley
Base
Fig.
2.Attach the jig to the platen, feed roller and pinch roller shaft as shown in the figure below. Then attach the pinch roller cover to the pinch roller frame with the three
Pinch Roller Cover
Jig
Fig.
NOTES:1. Replace the platen and the feed roller prior to attaching the jig.
2.Attach the jig while the pinch roller frame is tentatively attached to the main frame with the
3.The flat top of the pinch roller frame must be installed in parallel to bosses on the printer frame.
Check
1Check if excessive load is applied to the jig after the above NOTE 2.
(For example, check if the pinch roller frame moves when the jig is removed.)
2Check that there is no gap caused by a slant shaft between the pinch roller and the feed roller when the pinch roller is lowered.