Pf Scale Sensor Positioning Adjustment - Epson Stylus CX4100 Service Manual

EPSON Stylus CX4100/CX4200/CX4700/CX4800/DX4200/DX4800/DX4850
17. Accede to following steps to check left side PG again.
START
Move the Carriage Unit by
using the Timing Belt.
Yes
Thickness Gauge
moves?
No
One notch up the Parallel
Adjustment Lever (Left).
Move the Carriage Unit by
using the Timing Belt.
Yes
Thickness Gauge
moves?
No
Re-adjust from
the beginning.
Figure 5-14. Right/Left Sides PG Checking
18. Tighten both screws completely.
ADJUSTMENT
Re-adjust from
the beginning.
Note : "Up" means PG (Platen Gap) narrow.
Note : "Down" means PG
(Platen Gap) wide.
One notch down the Parallel
Adjustment Lever (Left).
Advance to Step 18.
Adjustment Except Adjustment Program

5.3.2 PF Scale Sensor Positioning Adjustment

Parts to be Removed and Replaced
Replacement of Main Board Unit
Replacement of PF Roller Unit
Adjustment procedure
1. Test fit Main Board Unit, and confirm whether or not PF Scale is positioned
in the center of PF Sensor.
2. If PF Scale is positioned in the center of PF Sensor, adjustment is complete. If
scale is not positioned in center of sensor, adjust position of PF Scale using
spacer (0.5mm thickness) as shown in diagram below.
Left side
0.1 to
1.0mm
Spacer
PF Scale
Figure 5-15. PF Scale Sensor positioning adjustment
Revision A
Right side
Spacer is not applied to Main
Board Unit for service part.
Place spacer between Shield
Board and Main Board.
If PF Scale is off to the left,
remove the spacer.
If PF Scale is off to the right,
add an additional spacer.
(Total of 2 spacers)
183