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HP PageWide Enterprise, HP PageWide Managed - Removal and replacement: embedded MultiMedia Card (eMMC)
Learn how to remove and replace the embedded MultiMedia Card (eMMC).
Mean time to repair: 10 minutes
Service level: Basic


Click here to visit the HP video library.
When applicable, special installation instructions are provided for an assembly at the end of the removal procedure. Always completely read the removal instructions and follow all special installation instructions.
Before performing service
Turn the printer power off
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Disconnect the power cable.
Warning:To avoid damage to the printer, turn the printer off, wait 30 seconds, and then remove the power cable before attempting to service the printer.
Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts.
Part number |
Part description |
---|---|
J7Z04-67908 |
eMMC (8GB) with instruction guide (752/755/765/E751 models) |
Y3Z60-67906 |
eMMC (16GB) with instruction guide (774/779/P774/P779 models) |
Required tools
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No special tools are required to remove or install this assembly.
After performing service
Turn the printer power on
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Connect the power cable.
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Use the power switch to turn the power on.
Post service test
Send a print job from the host computer, and then verify the printer is correctly functioning.
Remove the formatter cover
Follow these steps to remove the formatter cover.
Remove the formatter cage cover
Follow these steps to remove the formatter cage cover.
The exposed area is electrostatic discharge sensitive (ESD).
Remove the embedded MultiMedia Card (eMMC)
Follow these steps to remove the embedded MultiMedia Card (eMMC).
Do not simultaneously install a replacement trusted platform module (TPM), hard disk drive (HDD; MFPs), eMMC (SFPs), and formatter PCA. Remove and install each part separately, making sure to turn the printer power on between installations. Failure to do so results in an unusable printer.
ESD sensitive part.
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Do one of the following:
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Locate the eMMC on the formatter.
Locate the eMMC (1 of 2)
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Locate the eMMC on the formatter.
Locate the eMMC (2 of 2)
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Do one of the following:
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Pull the eMMC straight off the formatter PCA to remove it.
Remove the eMMC (1 of 2)
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Pull the eMMC straight off the formatter PCA to remove it.
Note:The smart transducer monitoring system printed circuit assembly (PCA) (callout 1) does not need to be removed to remove the eMMC PCA.
Remove the eMMC (2 of 2)
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Unpack the replacement assembly
Follow these steps to unpack the replacement assembly.
Install the eMMC
Follow these steps to install the eMMC.
Install the formatter cage cover
Follow these steps to install the formatter cage cover.
The exposed area is electrostatic discharge sensitive (ESD).
Install the formatter cover
Follow these steps to install the formatter cover.
Reinstall the printer firmware
Follow these steps to reinstall the printer firmware.
If this installation is a replacement eMMC, use the following steps to reinstall the firmware.
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