Epson Stylus Photo R220 - 3.3 Adjustment Except Adjustment Program

EPSON Stylus Photo R220/R230 Revision A
ADJUSTMENT Adjustment Except Adjustment Program 92
3.3 Adjustment Except Adjustment Program
This section explains the adjustments other than those made by the Adjustment
Program.
3.3.1 PG Adjustment
[Purpose]
This adjustment is required when removing or replacing the following parts/units in
order to secure the specified space between the print-side of the Print Head and the
paper.
 Carriage Unit
 CR Guide Shaft
 Bushing, Parallel Adjust, Left (Right)
(Including when having moved the position of the Bushing Parallel Adjust, Left
(Right))
[Adjustment Procedure]
1. Make both sides of the two Thickness Gauge (1.15mm and 1.31mm) clean by
wiping with Bemcot with a little alcohol.
2. To make the PG position negative (-), turn the gear of the APG Assy. and match
the flag center of the Cam, CR, Right with the PG Sensor.
Figure 3-5. Setting PG Position
3. Match the 0 position (Hole point of gear) of the Bushing, Parallel Adjust, Left
(Right) with the rib of the Main Frame.
Figure 3-6. Setting the Bushing, Parallel Adjust
4. Move the Carriage Unit to the centre of the printer and remove the Lever,
Cartridge. Then, set the PG-Adjustment Dummy Cartridge or new one.
Gear of the APG Assy.
Cam, CR, Right
Flag
PG Sensor
Bushing, Parallel Adjust, Left
Ribs
Hole point
Bushing, Parallel Adjust, Right
Hole point
Ribs