HP 4500 - G510a manual Fax test failed

Poor print quality and unexpected printouts	78
Solution 1: Use genuine HP cartridges	78
Solution 2: Check the paper	78
Solution 3: Wait a short period of time (if possible)	79
Solution 4: Check the print settings	79
Step 1: Check the print quality settings	80
Step 2: Check the Print in Grayscale setting	80
Solution 5: Check estimated ink levels and replace low or empty ink cartridges	81
Solution 6: Print and evaluate a diagnostic report and troubleshoot defects	81
Print Quality Diagnostic Report	82
Self-Test Report	87
Solution 7: Clean the ink cartridges	89
Solution 8: Align the ink cartridges	89
Solution 9: Replace the problem ink cartridge	90
Solution 10: Service the product	90
Clean the area around the ink nozzles	91
Solve paper-feed problems	92
Solve copy problems	94
No copy came out	94
Copies are blank	94
Documents are missing or faded	95
Size is reduced	95
Copy quality is poor	95
Copy defects are apparent	95
The device prints half a page, then ejects the paper	96
Paper mismatch	96
Solve scan problems	96
Scanner did nothing	97
Scan takes too long	97
Part of the document did not scan or text is missing	98
Text cannot be edited	98
Error messages appear	99
Scanned image quality is poor	99
Scan defects are apparent	100
Solve fax problems	100
The fax test failed	101
Solve wired (Ethernet) network problems (some models only)	113
General network troubleshooting	113
Network port created does not match device IP address (Windows)	113

4