Epson WF-C5790 Service Manual page 561

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a

PG adjustment procedure
When performing the PG adjustment, make sure of the following.
 Move the CR Unit by pulling the CR timing belt.
 Be careful not to damage the nozzle surface of the
Printhead with the thickness gauge.
 When make the Printhead touch the thickness gauge, be
careful not to let the Printhead run onto the gauge.
1. Loosen the two fixing screws of the PG adjustment cam positioned on the left
and right, and the four fixing screws of the CR guide frame.
Full digit side Left PG adjustment
cam
PG: Small
PG: Large
Figure 7-3. PG Adjustment Cam
Adjustment
Right PG HP side
adjustment cam
PG: Small
PG: Large
Adjustment and Inspection Details
2. Move the CR unit to the center of the printer.
3. Place the thickness gauge (1.42 mm thickness gauge + 0.08 mm Teflon tape)
at position A shown in Figure 7-4.
Full digit side
B
Figure 7-4. Placement of Thickness Gauge
Revision A
HP side
A
Thickness gauge
561
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