Front Side "Cam Tension Base Adjust" Position Adjustment (For Service Personnel); Rear Side "Cam Tension Base Adjust" Position Adjustment - Citizen CL-E700 series Technical Manual

Chapter 3 Disassembly and Maintenance
3-7. Adjustments
(2-1) Front side "Cam Tension Base Adjust" position adjustment (For service
personnel)
1. To allow access to the "Cam Tension Base Adjust", detach the "Cover RBN Tension
Adjust" from the "Ribbon Sensor Frame F" Block () by removing 2 screws.
(Refer to
2. Loosen (do not remove) the 2 screws "A" shown in the figure below.
3. Loosen (do not remove) the 1 screw "B" and, by turning "C", rotate the "Cam
Tension Base Adjust" either in the clockwise or counterclockwise depending upon
on which side the ribbon slants as viewed from the front/above.
By rotating the "Cam Tension Base Adjust", the horizontal parallelism of the
"Ribbon Sensor Frame F" Block () (movable part) with respect to the "SA Ribbon
Frame" (fixed part) of the unit ribbon base changes.
4. Tighten the 1 screw "B" and the 2 screws "A".
Shifting the "Ribbon Sensor Frame F" Block (
If left side ribbon wrinkles cannot
be eliminated by user adjustment.
Cam Tension
Base Adjust
A
Supporting point
CW
CW: Clockwise
CCW: Counterclockwise
(2-2) Rear side "Cam Tension Base Adjust" position adjustment (For user)
1. Access to the rear side of the "Unit Ribbon" and loosen (do not remove) the 2
screws "A" shown in the figure below.
3. Loosen (do not remove) the 1 screw "B" and, by turning "C", rotate the "Cam
Tension Base Adjust" either in the clockwise or counterclockwise depending upon
on which side the ribbon slants as viewed from the rear.
By rotating the "Cam Tension Base Adjust", the vertical parallelism of the "Plate
Ribbon Guide Roller" Block () (movable part) with respect to the "SA Ribbon
Frame" (fixed part) of the unit ribbon base changes.
4. Tighten the 1 screw "B" and the 2 screws "A".
Shifting the "Plate Ribbon Guide Roller" Block (
If the left side ribbon wrinkles cannot
be eliminated viewing from the rear.
Cam Tension
Base Adjust
A
Supporting point
CW
CL-E700 series
"3-6-9(1) "Ribbon Sensor Frame F"
Mechanical center
C
Base (Top side view)
(SA Ribbon Frame)
B
A
2 "Ribbon Sensor Frame F" Block
Mechanical center
C
B
A 3
"Plate Ribbon Guide Roller" Block
Block")
) (Viewing from the front/top side)
2
Center
) (Viewing from the rear side)
3
Base (Rear side view)
(SA Ribbon Frame)
Center
3-58
If right side ribbon wrinkles cannot
be eliminated by user adjustment.
CCW
If the left side ribbon wrinkles cannot
be eliminated viewing from the rear.
CCW