HP LaserJet 4250/4350 Series - User Guide
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... (automatic or manual) saves paper. Printing in EconoMode saves toner. ENWW Printer features 7 All media-width guides can be adjusted by using one hand. Print cartridge HP LaserJet 4250 series printer HP LaserJet 4350 series printer Standard print cartridge prints up to 20,000 pages.... Printing in EconoMode saves toner. The print cartridge can be inserted and removed by using one...
... (automatic or manual) saves paper. Printing in EconoMode saves toner. ENWW Printer features 7 All media-width guides can be adjusted by using one hand. Print cartridge HP LaserJet 4250 series printer HP LaserJet 4350 series printer Standard print cartridge prints up to 20,000 pages.... Printing in EconoMode saves toner. The print cartridge can be inserted and removed by using one...
HP LaserJet 4250/4350 Series - User Guide
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... (in the cartridge. (See Ordering parts, accessories, and supplies.) This situation occurs to CONTINUE. ● When the drum life of toner. Replace the print cartridge as soon as possible. (See Ordering parts, accessories, and supplies.) The REPLACE CARTRIDGE message remains until you replace...the REPLACE CARTRIDGE message first appears. For the HP LaserJet 4350 series, the message first appears when about 25% (10,000-page cartridge) or about 8% (20,000-page cartridge) of the life remains in the print cartridge. For the HP LaserJet 4250 series, the message first appears when about ...
... (in the cartridge. (See Ordering parts, accessories, and supplies.) This situation occurs to CONTINUE. ● When the drum life of toner. Replace the print cartridge as soon as possible. (See Ordering parts, accessories, and supplies.) The REPLACE CARTRIDGE message remains until you replace...the REPLACE CARTRIDGE message first appears. For the HP LaserJet 4350 series, the message first appears when about 25% (10,000-page cartridge) or about 8% (20,000-page cartridge) of the life remains in the print cartridge. For the HP LaserJet 4250 series, the message first appears when about ...
Service Manual
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... submenu 71 System Setup submenu 74 Stapler/stacker submenu 77 I/O submenu ...77 Resets submenu (HP LaserJet 4250/4350 only 78 Diagnostics menu (HP LaserJet 4250/4350 only 80 4 Maintenance Chapter contents...81 Cleaning the printer and accessories 82 Cleaning the fuser...83... Running the cleaning page manually 83 To run the cleaning page manually 83 Running the cleaning page automatically 85 To run the cleaning page automatically 85 Cleaning spilled toner...
... submenu 71 System Setup submenu 74 Stapler/stacker submenu 77 I/O submenu ...77 Resets submenu (HP LaserJet 4250/4350 only 78 Diagnostics menu (HP LaserJet 4250/4350 only 80 4 Maintenance Chapter contents...81 Cleaning the printer and accessories 82 Cleaning the fuser...83... Running the cleaning page manually 83 To run the cleaning page manually 83 Running the cleaning page automatically 85 To run the cleaning page automatically 85 Cleaning spilled toner...
Service Manual
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... unavailable if an optional duplexer is installed. There is no value to select. Item TONER DENSITY SMALL PAPER MODE (HP LaserJet 4250/4350 only) AUTO (HP LaserJet 4250/4350 only) CLEANING CLEANING INTERVAL (HP LaserJet 4250/4350 only) AUTO CLEANING SIZE (HP LaserJet 4250/4350 only) CREATE CLEANING PAGE (HP LaserJet 4200/4300 only) PROCESS CLEANING_PAGE (HP LaserJet 4250/4350 only) Values 1 to 5 (*3) *NORMAL SLOW *OFF ON 1000* 2000 5000 10000 20000 *LETTER...
... unavailable if an optional duplexer is installed. There is no value to select. Item TONER DENSITY SMALL PAPER MODE (HP LaserJet 4250/4350 only) AUTO (HP LaserJet 4250/4350 only) CLEANING CLEANING INTERVAL (HP LaserJet 4250/4350 only) AUTO CLEANING SIZE (HP LaserJet 4250/4350 only) CREATE CLEANING PAGE (HP LaserJet 4200/4300 only) PROCESS CLEANING_PAGE (HP LaserJet 4250/4350 only) Values 1 to 5 (*3) *NORMAL SLOW *OFF ON 1000* 2000 5000 10000 20000 *LETTER...
Service Manual
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Figure 4-2 Sample cleaning page (LJ 4200/4300 only) 84 4 Maintenance When toner has been cleaned from the fuser assembly, shiny black spots appear on the cleaning page to complete the cleaning process (LJ 4200/4300 only). 7 If a ... to create and process a cleaning page more than once. 5 Use or to scroll to CREATE CLEANING PAGE (LJ 4200/4300) or PROCESS CLEANING PAGE (LJ 4250/4350), and then press . 6 Follow the instructions on the page's black strip. If white spots appear on the black strip, create and process another cleaning page...
Figure 4-2 Sample cleaning page (LJ 4200/4300 only) 84 4 Maintenance When toner has been cleaned from the fuser assembly, shiny black spots appear on the cleaning page to complete the cleaning process (LJ 4200/4300 only). 7 If a ... to create and process a cleaning page more than once. 5 Use or to scroll to CREATE CLEANING PAGE (LJ 4200/4300) or PROCESS CLEANING PAGE (LJ 4250/4350), and then press . 6 Follow the instructions on the page's black strip. If white spots appear on the black strip, create and process another cleaning page...
Service Manual
Page 119
...into four systems: the control system (which includes the power supply and dc controller PCA), the pickup and feed system (which transfers a toner image onto the print media). The period of various rollers and transports the media through the printer), the laser/scanner system (which forms ...from when the printer power is turned on until the final printed page is delivered to determine if a print cartridge is in the HP LaserJet 4250/4300/4350 only) begins to rotate. The table Table 5-1 Basic printer operating sequence describes the basic operating sequence from the completion of time ...
...into four systems: the control system (which includes the power supply and dc controller PCA), the pickup and feed system (which transfers a toner image onto the print media). The period of various rollers and transports the media through the printer), the laser/scanner system (which forms ...from when the printer power is turned on until the final printed page is delivered to determine if a print cartridge is in the HP LaserJet 4250/4300/4350 only) begins to rotate. The table Table 5-1 Basic printer operating sequence describes the basic operating sequence from the completion of time ...
Service Manual
Page 167
... to the drum. The fuser applies heat and pressure to the drum. The latent image that detects the presence of the cartridge and the remaining toner level. The transfer charging roller transfers the image to a specific level, or if the printer contains no print cartridge, an error message appears on.... Image-formation system The image-formation system is then exposed to the laser beam from the laser/scanner, which rotates the photosensitive drum (the HP LaserJet 4250, 4300, and 4350 use a separate print cartridge motor to the photosensitive drum) and then off of the photosensitive drum.
... to the drum. The fuser applies heat and pressure to the drum. The latent image that detects the presence of the cartridge and the remaining toner level. The transfer charging roller transfers the image to a specific level, or if the printer contains no print cartridge, an error message appears on.... Image-formation system The image-formation system is then exposed to the laser beam from the laser/scanner, which rotates the photosensitive drum (the HP LaserJet 4250, 4300, and 4350 use a separate print cartridge motor to the photosensitive drum) and then off of the photosensitive drum.
Service Manual
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...toner and presses it . This printer utilizes an on-demand fusing method. Fusing the image The image is held in place only by electrostatic attraction when it is transferred from the drum to produce a permanent image. The media passes between a heated fusing roller and a soft pressure roller. For the HP LaserJet 4250, 4300, and 4350... Series printers, a dc negative bias is applied to the fuser film and a dc positive bias (charge) is applied to the fuser film. For the HP LaserJet 4200 and 4200L Series printers, a ...
...toner and presses it . This printer utilizes an on-demand fusing method. Fusing the image The image is held in place only by electrostatic attraction when it is transferred from the drum to produce a permanent image. The media passes between a heated fusing roller and a soft pressure roller. For the HP LaserJet 4250, 4300, and 4350... Series printers, a dc negative bias is applied to the fuser film and a dc positive bias (charge) is applied to the fuser film. For the HP LaserJet 4200 and 4200L Series printers, a ...
Service Manual
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... default setting (YES) makes it is medium. USB (HP LaserJet 4250/4350 Series printers only) HP LaserJet 4250/4350 Series printers include a universal serial bus (USB) 2.0 connection Embedded ethernet print server (HP LaserJet 4250/4350 Series printers only) HP LaserJet 4250/4350 n, tn, dtn, and dtnsl models include an HP Jetdirect embedded print server for connecting to 50% less toner than standard mode printing by most newer computers...
... default setting (YES) makes it is medium. USB (HP LaserJet 4250/4350 Series printers only) HP LaserJet 4250/4350 Series printers include a universal serial bus (USB) 2.0 connection Embedded ethernet print server (HP LaserJet 4250/4350 Series printers only) HP LaserJet 4250/4350 n, tn, dtn, and dtnsl models include an HP Jetdirect embedded print server for connecting to 50% less toner than standard mode printing by most newer computers...
Service Manual
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... of pages of pages that can be used to use the control-panel buttons. For more information, see the HP LaserJet 4200/4300 Use Guide or the HP LaserJet 4250/4350 Use Guide. This page also lists fonts on an optional hard-disk accessory or flash DIMM if those memory accessories... changing printer settings or before the supplies are replaced, and cartridge-usage information. ● File directory: This page provides information about how to calculate toner usage). ● PCL font list: This page lists the PCL fonts that are available: ● Menu map ● Usage page ● ...
... of pages of pages that can be used to use the control-panel buttons. For more information, see the HP LaserJet 4200/4300 Use Guide or the HP LaserJet 4250/4350 Use Guide. This page also lists fonts on an optional hard-disk accessory or flash DIMM if those memory accessories... changing printer settings or before the supplies are replaced, and cartridge-usage information. ● File directory: This page provides information about how to calculate toner usage). ● PCL font list: This page lists the PCL fonts that are available: ● Menu map ● Usage page ● ...
Service Manual
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... to scroll to let you know when you know the remaining life of the maintenance kit components 314 7 Troubleshooting hp LaserJet 4250/4350 series 5 1 2 3 4 Figure 7-4 Supplies status page (HP LaserJet 4200/4300 supplies status page is installed in the printer, the amount of life left in the cartridge 3 Printing...Supplies Web site Lists the Web site for ordering supplies over the Internet 2 Cartridge information Provides information about the amount of toner available in the print cartridge, and shows the print-cartridge part number and estimated pages that can be printed for information ...
... to scroll to let you know when you know the remaining life of the maintenance kit components 314 7 Troubleshooting hp LaserJet 4250/4350 series 5 1 2 3 4 Figure 7-4 Supplies status page (HP LaserJet 4200/4300 supplies status page is installed in the printer, the amount of life left in the cartridge 3 Printing...Supplies Web site Lists the Web site for ordering supplies over the Internet 2 Cartridge information Provides information about the amount of toner available in the print cartridge, and shows the print-cartridge part number and estimated pages that can be printed for information ...
Service Manual
Page 394
... dark environment for several days can cause spotting and defects during printing. ■ Dark areas on the page might have caused internal damage, and toner spills can also be changed from the printer driver or software program, because those settings override the control-panel settings. If dark areas appear, stop... image defects. Use the following list to light for too long. Check the print cartridge Image-formation defects are rated for 10,000 (LaserJet 4250/4350), 12,000 (LaserJet 4200), 18,000 (LaserJet 4300), and 20,000 (LaserJet 4250/4350) images at 5% coverage.
... dark environment for several days can cause spotting and defects during printing. ■ Dark areas on the page might have caused internal damage, and toner spills can also be changed from the printer driver or software program, because those settings override the control-panel settings. If dark areas appear, stop... image defects. Use the following list to light for too long. Check the print cartridge Image-formation defects are rated for 10,000 (LaserJet 4250/4350), 12,000 (LaserJet 4200), 18,000 (LaserJet 4300), and 20,000 (LaserJet 4250/4350) images at 5% coverage.