HP LaserJet 4250/4350 Series - User Guide
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...accessory components 171 Correcting print-quality problems 172 Print-quality checklist ...172 Image defect examples 172 Light print (partial page 174 Light print (entire page 174 Specks...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 ... Supplies and accessories Ordering parts, accessories, and supplies 196 Ordering directly from HP 196 Ordering through service or support providers 196 Ordering directly through the embedded Web...
...accessory components 171 Correcting print-quality problems 172 Print-quality checklist ...172 Image defect examples 172 Light print (partial page 174 Light print (entire page 174 Specks...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 ... Supplies and accessories Ordering parts, accessories, and supplies 196 Ordering directly from HP 196 Ordering through service or support providers 196 Ordering directly through the embedded Web...
HP LaserJet 4250/4350 Series - User Guide
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...) 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, The dhjhfiuhu if teint hhkjhjnf... when hghj hgjhk jdj a dt sonnleh. Sayhvjan tjhhjhr ajn ve fh k v nja vkfkahjd a. See Random image repetition (dark) See Random image repetition (light) Correcting print-quality problems 173 Suolklv jsdj hvjkrt ten sutc of ahthvnasm. Pkshkkhklhlkhkhyufwe4yrh9jjflkln djd skshkshdcnksnjcnal aksnclnslskjlncsl nas lnslna,...
...) 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, The dhjhfiuhu if teint hhkjhjnf... when hghj hgjhk jdj a dt sonnleh. Sayhvjan tjhhjhr ajn ve fh k v nja vkfkahjd a. See Random image repetition (dark) See Random image repetition (light) Correcting print-quality problems 173 Suolklv jsdj hvjkrt ten sutc of ahthvnasm. Pkshkkhklhlkhkhyufwe4yrh9jjflkln djd skshkshdcnksnjcnal aksnclnslskjlncsl nas lnslna,...
HP LaserJet 4250/4350 Series - User Guide
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... the page. ● From your software application, rotate the whole page 180° to restart the print job. 182 Chapter 4 Problem solving ENWW Random image repetition If an image that appears at the top of the page, and the darker image farther down the page (in a gray field), the toner might... job, turn the printer power off for 10 minutes, and then turn the printer power on to print the lighter image first. ● If the defect occurs later in which the images are printed.
... the page. ● From your software application, rotate the whole page 180° to restart the print job. 182 Chapter 4 Problem solving ENWW Random image repetition If an image that appears at the top of the page, and the darker image farther down the page (in a gray field), the toner might... job, turn the printer power off for 10 minutes, and then turn the printer power on to print the lighter image first. ● If the defect occurs later in which the images are printed.
HP LaserJet 4250/4350 Series - User Guide
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... Japanese VCCI statement 267 Korean EMI statement 267 laser safety 267 removing software HP Toolbox 98 Macintosh 36 Windows 36 repacking printer 274 repeating defects, troubleshooting;defects, repeating 177 repetitive defects images 182 Resets menu 226 resizing documents 82 resolution features 5 settings 81,... 250 scaling documents 82 security settings 106 serial cables, troubleshooting 122 serial number 106 service agreements iv, 272 HP Express Exchange 273 HP-authorized dealers iv information form 275 repacking printer 274 settings configuration page, printing 105 control panel 15 defaults, ...
... Japanese VCCI statement 267 Korean EMI statement 267 laser safety 267 removing software HP Toolbox 98 Macintosh 36 Windows 36 repacking printer 274 repeating defects, troubleshooting;defects, repeating 177 repetitive defects images 182 Resets menu 226 resizing documents 82 resolution features 5 settings 81,... 250 scaling documents 82 security settings 106 serial cables, troubleshooting 122 serial number 106 service agreements iv, 272 HP Express Exchange 273 HP-authorized dealers iv information form 275 repacking printer 274 settings configuration page, printing 105 control panel 15 defaults, ...
HP LaserJet 4250/4350 Series - User Guide
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... quality 172 paper 132 paper jams 134, 146 PostScript problems 191 printing 122, 124, 130 PS errors 122 Range Check 192 ENWW repeating defects 177 repetitive images 182 skewed pages 178 slow printing 124, 129 smeared toner 176 specks 174 staple jams 145 text 130 text quality 178, 181 tire...loading paper 72 loading paper for stapling 58 manual 74 paper sizes supported 71 troubleshooting 129 usage page 208 using duplexer 71, 73 U uninstalling HP Toolbox 98 UNIX carriage return settings 216 Model Scripts 27 unlocking accessories 11 upgrading memory 242 usage page 208 USB cable, part number 200 ...
... quality 172 paper 132 paper jams 134, 146 PostScript problems 191 printing 122, 124, 130 PS errors 122 Range Check 192 ENWW repeating defects 177 repetitive images 182 skewed pages 178 slow printing 124, 129 smeared toner 176 specks 174 staple jams 145 text 130 text quality 178, 181 tire...loading paper 72 loading paper for stapling 58 manual 74 paper sizes supported 71 troubleshooting 129 usage page 208 using duplexer 71, 73 U uninstalling HP Toolbox 98 UNIX carriage return settings 216 Model Scripts 27 unlocking accessories 11 upgrading memory 242 usage page 208 USB cable, part number 200 ...
Service Manual
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... Image quality ...379 Check the print cartridge 380 EconoMode...380 Half self-test functional check 381 Drum-rotation functional check 381 Image defect tables...382 Repetitive-defects troubleshooting 400 Troubleshooting the stacker and the stapler/stacker 402 Initial checks ...402 Jam errors ...403 Stacker and stapler/stacker paper path 403 Stacker paper-.../stacker switches and sensors 422 Stacker and stapler/stacker motors and solenoids 423 Stacker and stapler/stacker PCAs 424 Printer and accessory wiring diagrams 425 HP LaserJet 4200 wiring diagram 426 xi
... Image quality ...379 Check the print cartridge 380 EconoMode...380 Half self-test functional check 381 Drum-rotation functional check 381 Image defect tables...382 Repetitive-defects troubleshooting 400 Troubleshooting the stacker and the stapler/stacker 402 Initial checks ...402 Jam errors ...403 Stacker and stapler/stacker paper path 403 Stacker paper-.../stacker switches and sensors 422 Stacker and stapler/stacker motors and solenoids 423 Stacker and stapler/stacker PCAs 424 Printer and accessory wiring diagrams 425 HP LaserJet 4200 wiring diagram 426 xi
Service Manual
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...the print job. For more information about HP's media specification standards, see chapter 1 or the HP LaserJet Printer Family Print Media Guide. Often, print-quality problems can be resolved by HP? Check the print cartridge as those that meets HP specifications, or running a cleaning page....EconoMode. Table 7-18 Image-quality checks Image-quality check Action Does the problem repeat on both sides of thermography. See Repetitive-defects troubleshooting. See Supported media weights and sizes and Paper and print media. Perform the half self-test functional check and ...
...the print job. For more information about HP's media specification standards, see chapter 1 or the HP LaserJet Printer Family Print Media Guide. Often, print-quality problems can be resolved by HP? Check the print cartridge as those that meets HP specifications, or running a cleaning page....EconoMode. Table 7-18 Image-quality checks Image-quality check Action Does the problem repeat on both sides of thermography. See Repetitive-defects troubleshooting. See Supported media weights and sizes and Paper and print media. Perform the half self-test functional check and ...
Service Manual
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... Troubleshooting dc controller and the laser/scanner assembly. 2 If the cables are repeated at a consistent interval down the page, a repetitive defect exists. Table 7-25 Grey background Possible cause Recommended action(s) The media does not meet specifications. Replace the media if it does ... a new print cartridge. Make sure that the printer is installed in the specifications or is dirty (toner leaked out of this defect. See Repetitive-defects troubleshooting. See Laser/scanner assembly. 4 If, after replacing the laser/ scanner, the problem persists, replace the dc controller PCA...
... Troubleshooting dc controller and the laser/scanner assembly. 2 If the cables are repeated at a consistent interval down the page, a repetitive defect exists. Table 7-25 Grey background Possible cause Recommended action(s) The media does not meet specifications. Replace the media if it does ... a new print cartridge. Make sure that the printer is installed in the specifications or is dirty (toner leaked out of this defect. See Repetitive-defects troubleshooting. See Laser/scanner assembly. 4 If, after replacing the laser/ scanner, the problem persists, replace the dc controller PCA...
Service Manual
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... action(s) The fuser is defective. The dc controller PCA is defective. See Running the cleaning page manually. 3 If the problem persists, and the defect repeats at 94.0 mm (about 3.7 inches). For more information about 3.7 inches), replace the fuser (see Repetitive-defects troubleshooting. Replace the media,... only 2 mm (.07 inch) smaller than the photoconductive drum, distinguishing defects that are caused by the photoconductive drum from those that repeat at this interval, the defect is associated with the drum. Repetitive defects caused by the LJ 4300 fuser roller can cause...
... action(s) The fuser is defective. The dc controller PCA is defective. See Running the cleaning page manually. 3 If the problem persists, and the defect repeats at 94.0 mm (about 3.7 inches). For more information about 3.7 inches), replace the fuser (see Repetitive-defects troubleshooting. Replace the media,... only 2 mm (.07 inch) smaller than the photoconductive drum, distinguishing defects that are caused by the photoconductive drum from those that repeat at this interval, the defect is associated with the drum. Repetitive defects caused by the LJ 4300 fuser roller can cause...
Service Manual
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.... If the problem persists, replace the fuser. This type of 12,000 pages for the HP LaserJet 4200 printer and 18,000 pages for the HP LaserJet 4300 printer. The print cartridge has an expected life of defect might also be a repetitive defect. Also try rotating the media 180°. 2 Check the media for other trays. See...
.... If the problem persists, replace the fuser. This type of 12,000 pages for the HP LaserJet 4200 printer and 18,000 pages for the HP LaserJet 4300 printer. The print cartridge has an expected life of defect might also be a repetitive defect. Also try rotating the media 180°. 2 Check the media for other trays. See...
Service Manual
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... Media specifications. To resolve the problem, try rotating the media 180°. 2 Check the media for type and quality. end of media in Table 7-40 Repetitive defects. The high-voltage contact to the Replace the print cartridge. Replace the laser/scanner assembly. If dirt is difficult to remove, rub the roller with...
... Media specifications. To resolve the problem, try rotating the media 180°. 2 Check the media for type and quality. end of media in Table 7-40 Repetitive defects. The high-voltage contact to the Replace the print cartridge. Replace the laser/scanner assembly. If dirt is difficult to remove, rub the roller with...
Service Manual
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... intervals of 54.0 mm (2.125 inches) because of the image. Figure 7-8 Repetitive-defect ruler Image-formation troubleshooting 401 Table 7-40 Repetitive defects (continued) Roller Distance between defects Replacement part Photosensitive drum 94.2 mm (3.75 inches) Print cartridge *The developer-roller circumference is geared. A defect that is related to appear only on the leading edge of the...
... intervals of 54.0 mm (2.125 inches) because of the image. Figure 7-8 Repetitive-defect ruler Image-formation troubleshooting 401 Table 7-40 Repetitive defects (continued) Roller Distance between defects Replacement part Photosensitive drum 94.2 mm (3.75 inches) Print cartridge *The developer-roller circumference is geared. A defect that is related to appear only on the leading edge of the...
Service Manual
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... 49 remote firmware updates downloading 91 FTP 93 HP LaserJet Utility 98 HP Web JetAdmin 100 LPR command 99 messages 101 troubleshooting 102 UNIX 93 Windows local port 92 Windows network 93 removing parts 168 repeating defects 390, 400 replacement intervals, parts 88 replacing ... cleaning 82 duplexer operations 134 envelope feeder operations 132 feeding operations 116 image-formation operations 106, 153 life expectancies 88 locating 411, 412 repetitive defects 400 replacing maintenance kit 86 transfer, replacing 177 tray 1 pickup, replacing 179 tray 2 feed, replacing 182 tray 2 operations 119 S...
... 49 remote firmware updates downloading 91 FTP 93 HP LaserJet Utility 98 HP Web JetAdmin 100 LPR command 99 messages 101 troubleshooting 102 UNIX 93 Windows local port 92 Windows network 93 removing parts 168 repeating defects 390, 400 replacement intervals, parts 88 replacing ... cleaning 82 duplexer operations 134 envelope feeder operations 132 feeding operations 116 image-formation operations 106, 153 life expectancies 88 locating 411, 412 repetitive defects 400 replacing maintenance kit 86 transfer, replacing 177 tray 1 pickup, replacing 179 tray 2 feed, replacing 182 tray 2 operations 119 S...