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Product feeds incorrect page size ................................................................................... 252
Product pulls from incorrect tray ...................................................................................... 252
Paper does not feed automatically .................................................................................. 253
Paper does not feed from Tray 2, 3, 4, or 5 ..................................................................... 253
Transparencies or glossy paper will not feed .................................................................. 254
Envelopes jam or will not feed in the product .................................................................. 255
Output is curled or wrinkled ............................................................................................. 255
Product will not duplex or duplexes incorrectly ................................................................ 256
Understand lights on the formatter ................................................................................................... 257
HP Jetdirect LEDs ........................................................................................................... 257
Heartbeat LED ................................................................................................................. 257
Correct print quality and copy quality problems ............................................................................... 258
Example print quality problems ........................................................................................ 258
Repetitive defects ruler .................................................................................................... 258
Print quality problems associated with the environment .................................................. 260
Print quality problems associated with jams .................................................................... 260
Optimize and improve image quality ................................................................................ 260
Use supported paper ....................................................................................... 260
Calibrate the product ....................................................................................... 260
Specify the correct paper type ........................................................................ 260
Clean the fuser ................................................................................................ 261
Respond to control panel error messages ...................................................... 261
Clean the registration second transfer assembly ........................... 262
Use manual print modes ................................................................................. 264
Print-quality-troubleshooting pages ................................................................. 265
Performance problems ..................................................................................................................... 266
Solve fax problems ........................................................................................................................... 267
Solve e-mail problems ...................................................................................................................... 267
Validate the SMTP gateway address ............................................................................... 267
Validate the LDAP gateway address ............................................................................... 267
Solve network connectivity problems ............................................................................................... 268
Solve network printing problems ...................................................................................... 268
Verify communication over the network ........................................................................... 268
Solve common Macintosh problems ................................................................................................ 270
Appendix A Supplies and accessories
Order parts, accessories, and supplies ............................................................................................ 274
Part numbers .................................................................................................................................... 275
Accessories ..................................................................................................................... 275
Print cartridges ................................................................................................................. 275
Image drums .................................................................................................................... 275
Maintenance kits .............................................................................................................. 275
Memory ............................................................................................................................ 276
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