Epson WorkForce Pro WP4531

When performing the PG adjustment, make sure of the following.

• Perform the PG adjustment with the new cartridges installed on the CR Unit before installing the CR Scale.
• Move the CR Unit by pulling the top pf the CR timing belt.
• Be careful not no 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 un onto the gauge.

1. Remove the screws (one each) that secure the PG Cam Left and PG Cam Right on both sides of the printer, and remove the PG Cam Left and PG Cam Right.
   
2. Loosen the screws (x3) that secure the CR Guide Frame.
3. Set the PG Cam Left to the dowel of the Paper Guide Front Assy, and set the PG Cam Right to the dowel of the Frame Base.
4. Align the “+” marked notches of the PG Cams with the ribs of the Frame Base so as to make the PG the widest.
5. Press the two points down vertically on the Carriage Assy shown in Figure 3-6 simultaneously, and make sure of the following.
   ▪ The Carriage Assy is installed correctly without any gap between the Carriage Assy and CR Guide Frame.
   ▪ The PG Cam Right/PG Cam Left touch the CR Guide Frame.
6. Place the thickness gauges (1.47 mm) on the positions
   When adjusting the PG Cam Right/PG Cam Left in the following steps, make sure to adjust the same amount for both right and left.
7. With the Carriage Assy in the center of the printer, adjust three notches each for both PG Cam Right and PG Cam Left to make the PG narrower.
8. Pull the Timing Belt to move the Carriage Assy to 0-digit side and 80-digit side and check if the Carriage Assy touches the thickness gauges. If the Carriage Assy does not come in contact with the thickness gauges, adjust the PG Cam Right and PG Cam Left to make the PG narrower until the Carriage Assy touches the thickness gauges.