HP LaserJet Pro 400 MFP M425 User Manual
Page 13
Print a cleaning page ...................................................................................................................... 170
Inspect the toner cartridge for damage ......................................................................................... 170
Check the paper and printing environment .................................................................................... 171
Use paper that meets HP specifications ...................................................................... 171
Check the product environment ................................................................................... 172
Check the scanner glass for dirt and smudges ............................................................................... 174
Check the paper settings ................................................................................................................ 175
Optimize for text or pictures .......................................................................................................... 175
Edge-to-edge copying .................................................................................................................... 176
Clean the pickup rollers and separation pad in the document feeder ........................................... 176
Check the scanner glass for dirt and smudges ............................................................................... 178
Check the resolution settings ......................................................................................................... 178
Check the color settings .................................................................................................................. 179
Optimize for text or pictures .......................................................................................................... 179
Clean the pickup rollers and separation pad in the document feeder ........................................... 180
Check the scanner glass for dirt and smudges ............................................................................... 184
Check the send-fax resolution setting ........................................................................................... 184
Optimize for text or pictures .......................................................................................................... 185
Check the error correction setting .................................................................................................. 185
Send to a different fax machine ..................................................................................................... 186
Clean the pickup rollers and separation pad in the document feeder ........................................... 186
Check the fit-to-page setting ......................................................................................................... 187
Check the sender's fax machine ..................................................................................................... 187
Perform a fax diagnostic test ......................................................................................................... 188
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