Replacing the Y Encoder Sensor Board in your Ri 1000

Paul BoodyNov 16, 2023

Symptoms/ When to Change

1. PF motor error message appears

Supplies

1. Y Encoder Sensor Board

2. #1 Phillips Head Screwdriver

WARNING

Be sure to wear an anti-static grounding strap when handling any circuit board components.

Component Connections

Y_EMC/CN 804 ↔ SCB J13

Measure Y position by reading X encoder disk portion

Turn off the printer and flip the power switch to the off position
Remove the power cord
Open the lid of the printer
With a #1 screwdriver, unscrew the (3) screws on the back of the printer securing the top cover
With a #1 screwdriver, unscrew the (2) screws in the front of the printer securing the top cover
With 1-2 people, lift the top cover off the printer and set to the side
With a #1 screwdriver unscrew the (5) screws holding the left side panel in place
Remove the left side panel by sliding it from the front side to the back
With a #1 screwdriver, unscrew (6) screws holding the back panel in place
Slide the back panel out right and then diagonally out
Locate the Y gear cover
With a #1 screwdriver, remove the (4) screws holding the Y gear cover in place
Remove the Y- Gear Cover
With a $1 screwdriver remove the (2) screws holding the Y encoder sensor in place
Replace the cable from the clamp
Disconnect Y_EMC cable from the board
Connect Y_EMC cable to the new board
With a #1 screwdriver screw the (2) screws that hold the Y encoder sensor in place and ensure the clamp secures the cable
Place the Y Gear Cover back on and with a #1 screwdriver screw in the (4) screws holding the cover in place
Slide the back panel and then diagonally in
With a #1 screwdriver, screw in the (6) screws holding the back panel in place
Attach the left side panel by sliding it from the backside, aligning the power input with the corresponding frame hole
Slide the panel into place
With a #1 screwdriver, screw in the (5) screws holding the left side panel in place
With 1-2 people, lift the top cover onto the printer
With a #1 screwdriver, screw in the (2) screws in the front of the printer securing the top cover
With a #1 screwdriver, screw in the (3) screws on the back of the printer securing the top cover
Plug in the power cord
Flip the power switch to the on position and turn on the printer
Close the lid of the printer