3-6. Adjustments
3-47 CLP-621 & CLP-631
(2) Ribbon slant elimination adjustment (For service personnel)
(2-1) Tension base adjust cam position adjustment (For service personnel)
This adjustment is required in the following cases:
• If the parallelism reference for the user adjustable range needs to be changed. (This
adjustment will be required if ribbon wrinkle cannot be removed with the Ribbon
Left-Right Balance Adjustment Knobs (Front/Rear).)
• Tension Base Adjust Cam is replaced or reassembled.
By adjusting the Tension Base Adjust Cam, the parallelism of the Ribbon Sensor F/R Unit
(movable part) against the unit base (fixed part) is changed. The user adjustment using the
Left-Right Balance Adjustment Knobs (Front/Rear) is done based on the new parallelism
reference.
Note: The Tension Base Adjust Cam is adjusted at the factory before shipping. Therefore,
it may be off-center when shipped.
Adjustment procedure:
1. Remove the Ribbon Tension Adjustment Cover from the Ribbon Sensor F/R Unit.
2.
Loosen 2 screws “A”.
3.
Loosen the screw “B”, and turn the Tension Base Adjust Cam clockwise or
counterclockwise. The parallelism of the Ribbon Sensor F/R Unit against the base is
changed.
4. Tighten screws “B” and “A” (2 pcs.).
A
B
Supporting point
Unit, Ribbon Sensor F
Shifting the Ribbon Sensor F Unit (Viewing from the front side)
Shifting the Ribbon Sensor R Unit (Viewing from the rear side)
B
CW
Supporting point
Unit, Ribbon Sensor F
Base
Center CCW
CW
Center CCW
Left side ribbon wrinkles cannot
be eliminated by user adjustment.
Mechanical center
Right side ribbon wrinkles cannot
be eliminated by user adjustment.
A
Left*
1
side ribbon wrinkles cannot
be eliminated by user adjustment.
Mechanical center
Right*
1
side ribbon wrinkles cannot
be eliminated by user adjustment.
A
A
*1: Shows the direction viewing from the rear side.
CW: Clockwise
CCW: Counterclockwise
Base
(SA1, Ribbon Unit Base Plate)
Cam, Base
Tension Adjust
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General
Weight and Dimensions
