HP Officejet Pro X series - Printbar Install Guide

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Reinstall the service sled assembly.
The service sled module should move out of, and back into the
cap smoothly. If the operation is not smooth, check for correct
installation, including whether the service sled is aligned
correctly. Also check that the service sled transmission is in
the correct position.
REINSTALLATION TIP: During the service sled assembly
reinstallation process, ensure that the service sled is aligned
with the case part.
Test the printbar
Test the printbar installation after installing a printbar.
Temporarily connect the front panel into the main PCA.
Temporarily install the right cover.
Temporarily install the ADF/Scanner assembly (OJP X476/X576
only).
Temporarily install the left door, new duplex module, and Tray 2.
Cover the Ink Supply Door (IDS) with a magnet.
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Place the printer into MFG (on) mode.
Place the product into MFG (manufacturing) mode--X451/X551
X451
1. Press and hold the ATM1 and ATM2 buttons while plugging
in the product.
2. Press the power button to enter MFG (on) mode.
X476/X551/X576
1. Press and hold the power button while plugging in the
product. The HP logo appears on the product control panel,
and then disappears. Continue to hold the power button for
ve seconds after the logo disappears.
2. Release the power button.
3. Touch the Home
button.
4. Touch the Back
button.
5. Touch the Home
button twice.
6. After a new screen appears, touch the Home button again
to enter MFG (o) mode.
7. Press the power button to enter MFG (on) mode.
WARNING: Follow the instructions for placing the product into
MFG (manufacturing) mode exactly as listed above. Failure to
follow these instructions while placing the product into MFG
(manufacturing) mode can render the product inoperable.
NOTE: Use trade ink supplies while in MFG (on) mode. Host
supplies will be rejected in MFG (on) mode.
Verify that the new printbar is functional:
a. Print a Printer Status Report page.
b. Ensure that the service sled is aligned with the arrows.
Perform a 21 tap test. Observe that the service sled moves
smoothly, and that once it caps the printbar, that the cap is
level and aligned correctly.
c. Turn the product o using the power button, and then unplug
the product.
IMPORTANT: A new duplex module must be installed before
calibration/initialization.
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Reinstall the web advance rack assembly.
Reinstall the right cross brace.
REINSTALLATION TIP: The front and rear ends of the right cross
brace are labeled. Set the locator bumps on the bar in the locator
holes on the product