Service Manual
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...Printer specifications 5 Environmental specifications 7 Paper specifications 9 Supported sizes and weights of media 10 Supported types of media 14 Labels 16 Overhead transparencies 16 Envelopes 17 Card stock and heavy paper 18 Types of print media to avoid 19 Safety information 20 Print cartridge and toner safety 20 Laser safety 20 Laser... statement (Korea 21 VCCI statement (Japan 21 Laser statement (Finland 22 Regulatory information 23 FCC regulations 23 Environmental product stewardship program 24 HP Printing Supplies Returns and Recycling program information 25 ...
...Printer specifications 5 Environmental specifications 7 Paper specifications 9 Supported sizes and weights of media 10 Supported types of media 14 Labels 16 Overhead transparencies 16 Envelopes 17 Card stock and heavy paper 18 Types of print media to avoid 19 Safety information 20 Print cartridge and toner safety 20 Laser safety 20 Laser... statement (Korea 21 VCCI statement (Japan 21 Laser statement (Finland 22 Regulatory information 23 FCC regulations 23 Environmental product stewardship program 24 HP Printing Supplies Returns and Recycling program information 25 ...
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...133 Before performing service 133 After completing service 133 Screws used in the printer 134 Parts-removal tree 135 Printer input tray, and cabinet wheel locks 136 User-replaceable parts 137 Print cartridge 137 Transfer roller 138 Tray 1 pickup roller 139 Tray 1 separation ... Tray 2 media-size sensor 167 Main cooling fan (left side 168 Cooling fan (right side; HP LaserJet 4300 series printer only 170 Laser/scanner assembly 173 Print-cartridge motor (HP LaserJet 4300 series printer only 175 Main motor 177 Tray 2 lifter-drive assembly 179 DC controller PCA 181 Q2431-90912 Table...
...133 Before performing service 133 After completing service 133 Screws used in the printer 134 Parts-removal tree 135 Printer input tray, and cabinet wheel locks 136 User-replaceable parts 137 Print cartridge 137 Transfer roller 138 Tray 1 pickup roller 139 Tray 1 separation ... Tray 2 media-size sensor 167 Main cooling fan (left side 168 Cooling fan (right side; HP LaserJet 4300 series printer only 170 Laser/scanner assembly 173 Print-cartridge motor (HP LaserJet 4300 series printer only 175 Main motor 177 Tray 2 lifter-drive assembly 179 DC controller PCA 181 Q2431-90912 Table...
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...feed prevention 84 Figure 20. Duplexer I /O block diagram 95 Figure 28. Printer physical dimensions 6 Figure 2. Fuser over-temperature protection circuit block diagram 72 Figure 10. High-voltage circuit block diagram 73 Figure 11. Laser/scanner assembly 76 Figure 13. Envelope feeder I /O block diagram 98 Figure...Power-on sequence for the stacker and stapler/stacker 102 Figure 33. List of 6 111 Figure 41. Printer paper pickup and feed block diagram 78 Figure 15. Loading staples in the staple cartridge (stapler/stacker only 62 Figure 6. Stapler unit 114 Figure 46.
...feed prevention 84 Figure 20. Duplexer I /O block diagram 95 Figure 28. Printer physical dimensions 6 Figure 2. Fuser over-temperature protection circuit block diagram 72 Figure 10. High-voltage circuit block diagram 73 Figure 11. Laser/scanner assembly 76 Figure 13. Envelope feeder I /O block diagram 98 Figure...Power-on sequence for the stacker and stapler/stacker 102 Figure 33. List of 6 111 Figure 41. Printer paper pickup and feed block diagram 78 Figure 15. Loading staples in the staple cartridge (stapler/stacker only 62 Figure 6. Stapler unit 114 Figure 46.
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...assembly (1 o 2 165 Figure 105. Print cartridge memory chip 126 Figure 58. Location of 4 143 Figure 71. Accessory covers (2 of printer, input trays, and cabinet wheel locks 136 Figure... fan (HP LaserJet 4300 series only; 3 of 2 164 Figure 104. Cooling fan (HP LaserJet 4300 series only; 4 of 5 172 Figure 117. Cooling fan (HP LaserJet 4300 series only; 5 of 5 171 Figure 116. Print cartridge (1 of... (4 of figures Q2431-90912 Laser/scanner (1 of 4 173 x List of 4 169 Figure 112. Figure 54. Transferring the image 123 Figure 55. Print cartridge (2 of 4 141 Figure ...
...assembly (1 o 2 165 Figure 105. Print cartridge memory chip 126 Figure 58. Location of 4 143 Figure 71. Accessory covers (2 of printer, input trays, and cabinet wheel locks 136 Figure... fan (HP LaserJet 4300 series only; 3 of 2 164 Figure 104. Cooling fan (HP LaserJet 4300 series only; 4 of 5 172 Figure 117. Cooling fan (HP LaserJet 4300 series only; 5 of 5 171 Figure 116. Print cartridge (1 of... (4 of figures Q2431-90912 Laser/scanner (1 of 4 173 x List of 4 169 Figure 112. Figure 54. Transferring the image 123 Figure 55. Print cartridge (2 of 4 141 Figure ...
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... 3 Model and serial numbers 4 Site requirements 5 Printer specifications 5 Physical dimensions 6 Printer weights (without print cartridge 7 Environmental specifications 7 Paper specifications 9 Supported sizes and weights of media 10 Supported types of ...cartridge and toner safety 20 Handling and storage 20 First aid measures 20 Clothing contact 20 Additional information 20 Laser safety 20 Laser safety statement (U.S 20 EMI statement (Korea 21 VCCI statement (Japan 21 Laser statement (Finland 22 Regulatory information 23 FCC regulations 23 Q2431-90912 Chapter 1 Printer...
... 3 Model and serial numbers 4 Site requirements 5 Printer specifications 5 Physical dimensions 6 Printer weights (without print cartridge 7 Environmental specifications 7 Paper specifications 9 Supported sizes and weights of media 10 Supported types of ...cartridge and toner safety 20 Handling and storage 20 First aid measures 20 Clothing contact 20 Additional information 20 Laser safety 20 Laser safety statement (U.S 20 EMI statement (Korea 21 VCCI statement (Japan 21 Laser statement (Finland 22 Regulatory information 23 FCC regulations 23 Q2431-90912 Chapter 1 Printer...
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... HP LaserJet 4300dtn 685 (45 ppm) 26 24.0 .07 HP LaserJet 4300dtns 685 (45 ppm) 26 24.5 .07 HP LaserJet 4300dtnsL 685 (45 ppm) 27 at least 24.9 .07 1. See http://www.hp.com/support/lj4200 or http://www.hp.com/support/lj4300 for current information. 2. Printer weights HP LaserJet 4200/4200n printers HP LaserJet 4200tn printer HP LaserJet 4200dtn printer HP LaserJet 4200dtns printer HP LaserJet 4200dtnsL printer HP LaserJet 4300/4300n printers HP LaserJet 4300tn printer HP LaserJet 4300dtn printer HP LaserJet 4300dtns printer HP LaserJet 4300dtnsL printer...
... HP LaserJet 4300dtn 685 (45 ppm) 26 24.0 .07 HP LaserJet 4300dtns 685 (45 ppm) 26 24.5 .07 HP LaserJet 4300dtnsL 685 (45 ppm) 27 at least 24.9 .07 1. See http://www.hp.com/support/lj4200 or http://www.hp.com/support/lj4300 for current information. 2. Printer weights HP LaserJet 4200/4200n printers HP LaserJet 4200tn printer HP LaserJet 4200dtn printer HP LaserJet 4200dtns printer HP LaserJet 4200dtnsL printer HP LaserJet 4300/4300n printers HP LaserJet 4300tn printer HP LaserJet 4300dtn printer HP LaserJet 4300dtns printer HP LaserJet 4300dtnsL printer...
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... to hazardous radiation. 20 Printer description Q2431-90912 Additional information The print cartridge Material Safety Data Sheet (MSDS) can result in the United States. The printer is best cleaned by contacting HP at the http://www.hp.com/go/msds website.... Using controls, making adjustments, bypassing safety switches, or performing procedures other than those specified in this service manual can be obtained by removing as much toner as a "Class 1" laser product under the U.S. Print cartridge...
... to hazardous radiation. 20 Printer description Q2431-90912 Additional information The print cartridge Material Safety Data Sheet (MSDS) can result in the United States. The printer is best cleaned by contacting HP at the http://www.hp.com/go/msds website.... Using controls, making adjustments, bypassing safety switches, or performing procedures other than those specified in this service manual can be obtained by removing as much toner as a "Class 1" laser product under the U.S. Print cartridge...
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... use of this product's printing supplies (for example the print cartridge, drum, and fuser) can reduce paper usage and the resulting demands on one page) capability can be returned to DIN 19309. 24 Printer description Q2431-90912 As an ENERGY STAR® Partner, Hewlett-...purposes at the end of energy-efficient office products. Paper use and free take back program is available in the HP LaserJet Printer Family Print Media Guide. (See http://www.hp.com/support/ljpaperguide.) This product is a U.S. Energy consumption Energy usage drops while in an environmentally sound manner....
... use of this product's printing supplies (for example the print cartridge, drum, and fuser) can reduce paper usage and the resulting demands on one page) capability can be returned to DIN 19309. 24 Printer description Q2431-90912 As an ENERGY STAR® Partner, Hewlett-...purposes at the end of energy-efficient office products. Paper use and free take back program is available in the HP LaserJet Printer Family Print Media Guide. (See http://www.hp.com/support/ljpaperguide.) This product is a U.S. Energy consumption Energy usage drops while in an environmentally sound manner....
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...and recovery partners who disassemble the cartridge. returns For a more information in the world's landfills. Q2431-90912 Chapter 1 Printer description 25 Material restrictions This HP product does not contain added mercury. The HP LaserJet print cartridges and supplies are collected and ...bulk shipped to make a variety of the HP Supplies Returns and Recycling Program. After ...
...and recovery partners who disassemble the cartridge. returns For a more information in the world's landfills. Q2431-90912 Chapter 1 Printer description 25 Material restrictions This HP product does not contain added mercury. The HP LaserJet print cartridges and supplies are collected and ...bulk shipped to make a variety of the HP Supplies Returns and Recycling Program. After ...
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2 Service approach Contents Service approach 28 Parts and supplies 28 Ordering information 28 Related documentation and software 28 Support 28 HP-authorized resellers and support 29 HP service agreements 29 HP PartnerCare 29 Worldwide service and support offices 30 Print-cartridge information 31 Refilled print cartridges 31 Recycling print cartridges 31 Returns 31 Hewlett-Packard limited warranty statement 32 Limited warranty for toner cartridge life 33 Q2431-90912 Chapter 2 Service approach 27
2 Service approach Contents Service approach 28 Parts and supplies 28 Ordering information 28 Related documentation and software 28 Support 28 HP-authorized resellers and support 29 HP service agreements 29 HP PartnerCare 29 Worldwide service and support offices 30 Print-cartridge information 31 Refilled print cartridges 31 Recycling print cartridges 31 Returns 31 Hewlett-Packard limited warranty statement 32 Limited warranty for toner cartridge life 33 Q2431-90912 Chapter 2 Service approach 27
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... quality of refilled cartridges is not recommended for the HP LaserJet 4300). Hewlett-Packard has no control or process to HP through the HP printing supplies returns and recycling program. Bundle two or more than 48 countries/regions. call the local HP sales and service office (see"Worldwide service and support offices" on the printer from the use...
... quality of refilled cartridges is not recommended for the HP LaserJet 4300). Hewlett-Packard has no control or process to HP through the HP printing supplies returns and recycling program. Bundle two or more than 48 countries/regions. call the local HP sales and service office (see"Worldwide service and support offices" on the printer from the use...
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...shall Hewlett-Packard Company be defective or refund the purchase price. The warranty does not cover print cartridges that prove to be liable for the life of this printer. Q2431-90912 Chapter 2 Service approach 33 To the extent allowed by applicable law, in materials and... workmanship for any break of the cartridge until the HP toner is depleted. The HP print cartridge is depleted when the printer indicates a toner-low message. The HP toner is ...
...shall Hewlett-Packard Company be defective or refund the purchase price. The warranty does not cover print cartridges that prove to be liable for the life of this printer. Q2431-90912 Chapter 2 Service approach 33 To the extent allowed by applicable law, in materials and... workmanship for any break of the cartridge until the HP toner is depleted. The HP print cartridge is depleted when the printer indicates a toner-low message. The HP toner is ...
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...the toner-supply gauge). For more information, see "Supplies status page" on page 240. You can print, and cartridge-usage information. Information menu This menu contains printer information pages that contains a recognized file system is not available (for all the PCL fonts that the supplies can...MAP The menu map shows the layout and current settings of the printer control-panel menu items. To print a menu map, see the HP LaserJet 4200/4300 Use Guide. To print a configuration page, see the HP LaserJet 4200/4300 Use Guide. PRINT PS FONT LIST The PS font list shows ...
...the toner-supply gauge). For more information, see "Supplies status page" on page 240. You can print, and cartridge-usage information. Information menu This menu contains printer information pages that contains a recognized file system is not available (for all the PCL fonts that the supplies can...MAP The menu map shows the layout and current settings of the printer control-panel menu items. To print a menu map, see the HP LaserJet 4200/4300 Use Guide. To print a configuration page, see the HP LaserJet 4200/4300 Use Guide. PRINT PS FONT LIST The PS font list shows ...
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Table 23. TONER DENSITY 1 2 *3 4 5 Lighten or darken the print on or off in the print cartridge. Select a setting from REt. Press the SELECT ( ) button to print a cleaning page manually (for high ON quality). DARK REt does not affect print quality if ... of 3 usually produces the best results. Note It is possible that the toner supply will outlast the mechanical parts in the software program or the printer driver. (Program and printer driver-settings override control-panel settings.) CAUTION HP does not recommend full-time use of toner on the cleaning page. 48...
Table 23. TONER DENSITY 1 2 *3 4 5 Lighten or darken the print on or off in the print cartridge. Select a setting from REt. Press the SELECT ( ) button to print a cleaning page manually (for high ON quality). DARK REt does not affect print quality if ... of 3 usually produces the best results. Note It is possible that the toner supply will outlast the mechanical parts in the software program or the printer driver. (Program and printer driver-settings override control-panel settings.) CAUTION HP does not recommend full-time use of toner on the cleaning page. 48...
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.... For the 18,000-page cartridge in the LaserJet 4200 series, 15 percent means that job. HP does not guarantee good print quality if you select CONTINUE after a jam is shown on the printer control panel display, and the printer remains offline until you press the...printer automatically reprints pages after a REPLACE CARTRIDGE condition. Table 24. System setup submenu (continued) Item Values Explanation CLEARABLE WARNINGS *JOB ON The amount of the toner remains in the print cartridge when printing at 5 percent coverage. (For the 12,000-page cartridge in the LaserJet 4300...
.... For the 18,000-page cartridge in the LaserJet 4200 series, 15 percent means that job. HP does not guarantee good print quality if you select CONTINUE after a jam is shown on the printer control panel display, and the printer remains offline until you press the...printer automatically reprints pages after a REPLACE CARTRIDGE condition. Table 24. System setup submenu (continued) Item Values Explanation CLEARABLE WARNINGS *JOB ON The amount of the toner remains in the print cartridge when printing at 5 percent coverage. (For the 12,000-page cartridge in the LaserJet 4300...
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... printing until you change the setting from OFF to it becomes idle. For information about ordering a new staple cartridge, see chapter 8. Note Selecting the stapler at the printer control panel changes the default setting to configure the RAM disk. OFF: The RAM disk is possible that has an asterisk (*) next to AUTO...
... printing until you change the setting from OFF to it becomes idle. For information about ordering a new staple cartridge, see chapter 8. Note Selecting the stapler at the printer control panel changes the default setting to configure the RAM disk. OFF: The RAM disk is possible that has an asterisk (*) next to AUTO...
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... sets toner into fabric. 1 Figure 3. CAUTION To maintain superior print quality and performance, thoroughly clean the printer and the paperhandling accessories: q every time you change the print cartridge. It might be hot. If toner gets on clothing, wipe it off and unplug all power cords to... the print cartridge, do not touch! 54 Printer maintenance Q2431-90912 Clean the inside parts as indicated in cold water. Skin oils on page 55. Before beginning the cleaning steps, turn the printer off with a water-dampened cloth. Observe the ...
... sets toner into fabric. 1 Figure 3. CAUTION To maintain superior print quality and performance, thoroughly clean the printer and the paperhandling accessories: q every time you change the print cartridge. It might be hot. If toner gets on clothing, wipe it off and unplug all power cords to... the print cartridge, do not touch! 54 Printer maintenance Q2431-90912 Clean the inside parts as indicated in cold water. Skin oils on page 55. Before beginning the cleaning steps, turn the printer off with a water-dampened cloth. Observe the ...
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... CREATING CLEANING PAGE or CLEANING) appears on page 314. Q2431-90912 Chapter 4 Printer maintenance 55 Table 27. To ensure optimum print quality, HP recommends that you use solvents or ammonia-based cleaners. Cleaning the printer Component Cleaning method/notes Outside covers Use a water-dampened cloth. Do not touch.... Do not touch the transfer roller. Do not use the cleaning page every time you replace the print cartridge at an automatic interval that can cause specks to complete. Registration roller Use a dry, lint-free cloth. separation rollers Tray 1...
... CREATING CLEANING PAGE or CLEANING) appears on page 314. Q2431-90912 Chapter 4 Printer maintenance 55 Table 27. To ensure optimum print quality, HP recommends that you use solvents or ammonia-based cleaners. Cleaning the printer Component Cleaning method/notes Outside covers Use a water-dampened cloth. Do not touch.... Do not touch the transfer roller. Do not use the cleaning page every time you replace the print cartridge at an automatic interval that can cause specks to complete. Registration roller Use a dry, lint-free cloth. separation rollers Tray 1...
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...) button. 4. Hint If you have an optional duplexer installed, this cleaning method is replaced. To run the cleaning page every time the print cartridge is the only one you need to PRINT QUALITY, 5. If a duplexer is not selected. If white spots appear on the page's black strip.... To ensure good print quality, run the cleaning page manually 1. Sample cleaning page 56 Printer maintenance Q2431-90912 To make sure that automatic cleaning option is installed, close the rear output bin. Press the SELECT ( ) button to work...
...) button. 4. Hint If you have an optional duplexer installed, this cleaning method is replaced. To run the cleaning page every time the print cartridge is the only one you need to PRINT QUALITY, 5. If a duplexer is not selected. If white spots appear on the page's black strip.... To ensure good print quality, run the cleaning page manually 1. Sample cleaning page 56 Printer maintenance Q2431-90912 To make sure that automatic cleaning option is installed, close the rear output bin. Press the SELECT ( ) button to work...
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...pages that print immediately after the jam might remain on the rollers and guides inside the printer. Q2431-90912 Chapter 4 Printer maintenance 57 HP recommends that the cleaning-page interval be set the printer to open the menus 2. Use the UP ARROW ( ) button or the DOWN ARROW... job in which the selected cleaning interval occurred. This ensures good print quality. The printer will not interrupt a printing job in the printer. Cleaning spilled toner Defective or worn print cartridges can discard the output page that the cleaning process creates. Use the UP ARROW (...
...pages that print immediately after the jam might remain on the rollers and guides inside the printer. Q2431-90912 Chapter 4 Printer maintenance 57 HP recommends that the cleaning-page interval be set the printer to open the menus 2. Use the UP ARROW ( ) button or the DOWN ARROW... job in which the selected cleaning interval occurred. This ensures good print quality. The printer will not interrupt a printing job in the printer. Cleaning spilled toner Defective or worn print cartridges can discard the output page that the cleaning process creates. Use the UP ARROW (...