HP LaserJet 4250/4350 Series - User Guide
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...Curl or wave ...179 Wrinkles or creases ...179 Vertical white lines ...180 Tire tracks ...180 White spots on black ...180 Scattered lines ...181 Blurred print ...181 Random image repetition 182 Troubleshooting network printing problems 183 Troubleshooting common Windows problems 184 Troubleshooting common Macintosh ... that are connected to a network 196 Ordering directly through the HP Toolbox software (for printers that are directly connected to a computer 197 Part numbers ...198 Paper-handling accessories 198 Print cartridges ...199 Maintenance kits ...199 Memory ...1. 99 viii ENWW
...Curl or wave ...179 Wrinkles or creases ...179 Vertical white lines ...180 Tire tracks ...180 White spots on black ...180 Scattered lines ...181 Blurred print ...181 Random image repetition 182 Troubleshooting network printing problems 183 Troubleshooting common Windows problems 184 Troubleshooting common Macintosh ... that are connected to a network 196 Ordering directly through the HP Toolbox software (for printers that are directly connected to a computer 197 Part numbers ...198 Paper-handling accessories 198 Print cartridges ...199 Maintenance kits ...199 Memory ...1. 99 viii ENWW
HP LaserJet 4250/4350 Series - User Guide
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... AaBbCc AaBbCc AaBbCc AaBbCc See Tire tracks See White spots on black ENWW See Scattered lines. Ana l, and the askeina of jthjkfjkn vjdj hwjd, an olk d .at fhjdjht ajshef. See Light print (partial page) See Light print (entire page) See Specks See Specks See Dropouts See Dropouts ...See Dropouts See Loose toner See Repeating defects AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc See Lines See Gray background See Toner smear Dear Mr. Abhjerhjk...
... AaBbCc AaBbCc AaBbCc AaBbCc See Tire tracks See White spots on black ENWW See Scattered lines. Ana l, and the askeina of jthjkfjkn vjdj hwjd, an olk d .at fhjdjht ajshef. See Light print (partial page) See Light print (entire page) See Specks See Specks See Dropouts See Dropouts ...See Dropouts See Loose toner See Repeating defects AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc See Lines See Gray background See Toner smear Dear Mr. Abhjerhjk...
HP LaserJet 4250/4350 Series - User Guide
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...(Q5942X) pages. Replace the print cartridge. 2. Replace the print cartridge. White spots on black 1. Make sure that the type and quality of the paper you print with very little toner coverage. 1. Vertical white lines 1. Print a few more pages to ...see if the problem corrects itself . 2. Replace the print cartridge. 180 Chapter 4 Problem solving ENWW If envelopes are creasing, try storing envelopes so that the environmental specifications for the printer are using meet HP specifications. (See Paper specifications.) 3. Print...
...(Q5942X) pages. Replace the print cartridge. 2. Replace the print cartridge. White spots on black 1. Make sure that the type and quality of the paper you print with very little toner coverage. 1. Vertical white lines 1. Print a few more pages to ...see if the problem corrects itself . 2. Replace the print cartridge. 180 Chapter 4 Problem solving ENWW If envelopes are creasing, try storing envelopes so that the environmental specifications for the printer are using meet HP specifications. (See Paper specifications.) 3. Print...
Service Manual
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... the density setting. 156 5 Theory of the cylinder. Toner is a powdery substance made of black plastic resin bound to iron particles, which is converted to a negative dc supply. This ac ...potential improves density and contrast. A change in the dc bias causes either increases or decreases the print density. The developing unit consists of each sweep, the beams strike the beam-detect mirror and,...connected to an electrical signal that synchronizes the video data output for one sweep (two scan lines) and diagnoses problems that exist in turn either more or less toner to be attracted to...
... the density setting. 156 5 Theory of the cylinder. Toner is a powdery substance made of black plastic resin bound to iron particles, which is converted to a negative dc supply. This ac ...potential improves density and contrast. A change in the dc bias causes either increases or decreases the print density. The developing unit consists of each sweep, the beams strike the beam-detect mirror and,...connected to an electrical signal that synchronizes the video data output for one sweep (two scan lines) and diagnoses problems that exist in turn either more or less toner to be attracted to...
Service Manual
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... 7-34 White spots on black. The toner supply is low or the print cartridge developer is defective. Print a supplies status page (seeSupplies status page) and look at the maintenance-kit gauge. Table 7-19 Print-quality image defects (continued) AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc See Table 7-32 White lines. See Table 7-39 Dark print. For information about...
... 7-34 White spots on black. The toner supply is low or the print cartridge developer is defective. Print a supplies status page (seeSupplies status page) and look at the maintenance-kit gauge. Table 7-19 Print-quality image defects (continued) AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc See Table 7-32 White lines. See Table 7-39 Dark print. For information about...
Service Manual
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...print cartridge. The print cartridge is contaminated or damaged. This type of 12,000 pages for the HP LaserJet 4200 printer and 18,000 pages for the HP LaserJet 4300 printer. tray. Also try rotating the media 180°. 2 Check the media for other trays. See Media specifications. Table 7-33 Smudged lines...See Operating environment. The print cartridge has passed its life expectancy. Replace the media if it correctly. The print cartridge has an expected life of defect might also be a repetitive defect. Table 7-34 White spots on black Possible cause Recommended action...
...print cartridge. The print cartridge is contaminated or damaged. This type of 12,000 pages for the HP LaserJet 4200 printer and 18,000 pages for the HP LaserJet 4300 printer. tray. Also try rotating the media 180°. 2 Check the media for other trays. See Media specifications. Table 7-33 Smudged lines...See Operating environment. The print cartridge has passed its life expectancy. Replace the media if it correctly. The print cartridge has an expected life of defect might also be a repetitive defect. Table 7-34 White spots on black Possible cause Recommended action...
Service Manual
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...are dirty. Recommended action(s) Open the print-quality menu at the control panel (see Print-quality submenu). Open the print-quality menu at the control panel (see Print-quality submenu). The line-detail setting is defective (not supplying ...the correct voltage). 1 Check the cables between the laser/scanner Inspect and reseat the connectors. Table 7-37 Black page Possible cause Recommended action(s) The print...
...are dirty. Recommended action(s) Open the print-quality menu at the control panel (see Print-quality submenu). Open the print-quality menu at the control panel (see Print-quality submenu). The line-detail setting is defective (not supplying ...the correct voltage). 1 Check the cables between the laser/scanner Inspect and reseat the connectors. Table 7-37 Black page Possible cause Recommended action(s) The print...
Service Manual
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... settings 69 output quality black pages 398 blank pages 399 blurred print 397 cleaning page 83 dark print 400 defect examples 382 distorted images 391 dots 385 dropouts 386 grey background 388 jams 378 light print 383 line 387, 396, 397 media problems 377, 379 print cartridge checks 380 repeating ...defects 390, 400 settings 72 toner smear 389 transparencies 378 troubleshooting 379 white lines 394 white spots 396 output-delivery assembly locating 410 ...
... settings 69 output quality black pages 398 blank pages 399 blurred print 397 cleaning page 83 dark print 400 defect examples 382 distorted images 391 dots 385 dropouts 386 grey background 388 jams 378 light print 383 line 387, 396, 397 media problems 377, 379 print cartridge checks 380 repeating ...defects 390, 400 settings 72 toner smear 389 transparencies 378 troubleshooting 379 white lines 394 white spots 396 output-delivery assembly locating 410 ...
Service Manual
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... warranty 41 print quality black pages 398 blank pages 399 blurred print 397 cleaning page 83 dark print 400 defect examples 382 distorted images 391 dots 385 dropouts 386 grey background 388 jams 378 light print 383 lines 387, 396, 397 media problems 377, 379 print cartridge checks...power supply locating 415 operations 105, 110 part numbers 453 removing 236 power switch, locating 9 power-on bypass 328 PowerSave. HP-authorized resellers and support 445 service agreements 445 supplies ordering 446 photosensitive drum image-formation operations 106, 153 troubleshooting 380 physical specifications...
... warranty 41 print quality black pages 398 blank pages 399 blurred print 397 cleaning page 83 dark print 400 defect examples 382 distorted images 391 dots 385 dropouts 386 grey background 388 jams 378 light print 383 lines 387, 396, 397 media problems 377, 379 print cartridge checks...power supply locating 415 operations 105, 110 part numbers 453 removing 236 power switch, locating 9 power-on bypass 328 PowerSave. HP-authorized resellers and support 445 service agreements 445 supplies ordering 446 photosensitive drum image-formation operations 106, 153 troubleshooting 380 physical specifications...
Service Manual
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... 64 specifications 25 troubleshooting about 302 black pages 398 blank pages 399 blurred print 397 checklist 303 communications 331 curled media 393 dark print 400 distorted images 391 dots 385 ... test 330 grey background 388 information pages 310 jams 365 light print 383 lines 72, 387, 396, 397 multiple pages feeding 375 paper 32, 38 paper ...HP LaserJet Utility 98 HP Web JetAdmin 100 LPR command 99 messages 101 troubleshooting 102 UNIX 93 Windows local port 92 Windows network 93 usage page 63 USB port locating 11 operations 162 V voltage specifications 20 W warnings setting 75 warranty print...
... 64 specifications 25 troubleshooting about 302 black pages 398 blank pages 399 blurred print 397 checklist 303 communications 331 curled media 393 dark print 400 distorted images 391 dots 385 ... test 330 grey background 388 information pages 310 jams 365 light print 383 lines 72, 387, 396, 397 multiple pages feeding 375 paper 32, 38 paper ...HP LaserJet Utility 98 HP Web JetAdmin 100 LPR command 99 messages 101 troubleshooting 102 UNIX 93 Windows local port 92 Windows network 93 usage page 63 USB port locating 11 operations 162 V voltage specifications 20 W warnings setting 75 warranty print...