MFP printhead adjustment
After re‑installing the current LSU or installing a new LSU, a mechanical and electronic LSU adjustment must
be performed. Before starting the LSU removal, disable the scanner in the configuration menu. After removing
the scanner assembly from the MFP, remove the control panel assembly from the scanner. Attach the control
panel assembly cable directly to JUICC on the controller board.
After installing the LSU, perform the mechanical and electronic LSU adjustments with the printer in this
configuration. When the LSU is properly adjusted, re‑install the control panel assembly to the scanner, and then
re‑install the scanner assembly to the MFP.
Removal procedure
1 Remove the top cover. See “Top cover removal” on page 351.
2 Disconnect the cable J6 from the controller board.
3 Disconnect the cable (A) from the LSU.
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Repair information
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