HP C4740, C4750, C4795, C4780 manual Errors, Text is incorrect or missing, Product messages

Models: C4795 C4740 C4750 C4780

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Text is incorrect or missing

Try the following solutions.

Solution 1: Adjust the brightness in the software

Solution 2: Clean the glass and lid

Solution 1: Adjust the brightness in the software

Solution: Adjust the brightness in the software, and then rescan the original.

Cause: The brightness was not set correctly.

If this did not solve the issue, try the next solution.

Solution 2: Clean the glass and lid

Solution: Turn off the product, unplug the power cord, and use a soft cloth to wipe the glass and the back of the document lid.

Cause: Debris might have been stuck on the glass or on the back of the document lid. This can cause poor-quality scans.

Solve a problem

Errors

This section contains the following categories of messages about your product:

Product messages

File messages

General user messages

Paper messages

Print cartridge messages

Product messages

The following is a list of product-related error messages:

Door open

Firmware revision mismatch

Memory is full

Scanner failure

Improper shutdown

Missing HP Photosmart Software

Errors 69

Page 71
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HP C4740, C4750 Errors, Text is incorrect or missing, Product messages, Solution 1 Adjust the brightness in the software