HP M750 series

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The product may ship with one optional 500- sheet tray installed. A customer may purchase one
additional 500-sheet paper tray OR one 3x500 sheet tray with stand and install it on their product.
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If a customer attempts to add an additional paper tray that exceeds the maximum of two input/output
devices, the printer will display the following error message:
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Unsupported tray configuration
Read this entire message. The maximum number of optional tray accessories for this device is
1 [or 2]. Turn device off, then remove excess tray accessories. Turn device on.
The product will not print any pages until the extra tray is removed.
Recommended action
Turn the product off, remove the unsupported/extra input/output devices, and then turn the product on.
Unsupported USB accessory detected Remove USB accessory
Description
A non-supported USB accessory has been installed.
Recommended action
Turn the product off, remove the USB accessory, and then turn the product on.
USB accessory needs too much power Remove USB and turn off then on
Description
A USB accessory is drawing too much electrical current. Printing cannot continue.
Recommended action
Remove the USB accessory. Turn the product off, and then on.
Use a USB accessory that uses less power or that contains its own power supply.
USB accessory not functional
Description
A USB accessory is not working correctly.
Recommended action
1. Turn the product off.
2. Remove the USB accessory.
3. Insert a replacement USB accessory.
Used supply installed To continue, touch “OK” OR Used supply in use
Description
One of the print cartridges has been previously used.
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XX = 00
486 Chapter 3 Solve problems ENWW