Service Manual
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... menu 41 Information menu 41 Paper Handling menu 42 Configure Device menu 44 4 Printer maintenance Cleaning the printer and accessories 54 Cleaning the fuser 55 Running the cleaning page manually 56 Running the cleaning page automatically 57 Cleaning spilled toner 57 Performing preventative maintenance ...62 Downloading a remote firmware update 63 5 Theory of operation Introduction 67 Basic operation of the printer 67 General descriptions 69 DC controller PCA 69 Power supply 71 Laser/scanner assembly 76 Paper pickup system 78 Paper pickup and feed block 79 Printing from tray 1...
... menu 41 Information menu 41 Paper Handling menu 42 Configure Device menu 44 4 Printer maintenance Cleaning the printer and accessories 54 Cleaning the fuser 55 Running the cleaning page manually 56 Running the cleaning page automatically 57 Cleaning spilled toner 57 Performing preventative maintenance ...62 Downloading a remote firmware update 63 5 Theory of operation Introduction 67 Basic operation of the printer 67 General descriptions 69 DC controller PCA 69 Power supply 71 Laser/scanner assembly 76 Paper pickup system 78 Paper pickup and feed block 79 Printing from tray 1...
Service Manual
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... those specified in this service manual can result in exposure to melt and permanently fuse into clothing. Clothing contact Toner can be obtained by removing as much toner as a "Class 1" laser product under the U.S. Department of the U.S. Laser safety statement (U.S.) The Center for... Avoid direct exposure to the laser beams. Using controls, making adjustments, or performing procedures other than those specified in the material safety data sheet (MSDS) at the http://www.hp.com/go /msds website. Because radiation emitted inside the printer is mandatory for Devices and ...
... those specified in this service manual can result in exposure to melt and permanently fuse into clothing. Clothing contact Toner can be obtained by removing as much toner as a "Class 1" laser product under the U.S. Department of the U.S. Laser safety statement (U.S.) The Center for... Avoid direct exposure to the laser beams. Using controls, making adjustments, or performing procedures other than those specified in the material safety data sheet (MSDS) at the http://www.hp.com/go /msds website. Because radiation emitted inside the printer is mandatory for Devices and ...
Service Manual
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...websites HP Connect Online. (for this manual contains FRU and accessory part numbers. HP Customer Care Online. Ordering: http://www.hp.com/go/parts Identifying: http://www.hp.com/go/partsinfo 28 Service approach Q2431-90912 Parts and supplies Ordering information Chapter 8 of this printer. ...area. Service approach Repair of the printer normally begins with the use of the printer's internal diagnostics in conjunction with the troubleshooting procedures that are specifically designed for HP partners) http://www.connect-online.hp.com HP Connect Online is an Internet site ...
...websites HP Connect Online. (for this manual contains FRU and accessory part numbers. HP Customer Care Online. Ordering: http://www.hp.com/go/parts Identifying: http://www.hp.com/go/partsinfo 28 Service approach Q2431-90912 Parts and supplies Ordering information Chapter 8 of this printer. ...area. Service approach Repair of the printer normally begins with the use of the printer's internal diagnostics in conjunction with the troubleshooting procedures that are specifically designed for HP partners) http://www.connect-online.hp.com HP Connect Online is an Internet site ...
Service Manual
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...loaded in this menu (such as duplex and manual feed) are correctly configured at the printer control panel, you can print by selecting the type and size of the tray. 42 Printer operation Q2431-90912 Program and printer-driver settings override control panel settings. PREPUNCHED A...paper types and sizes, and information about supported paper types and sizes, see the HP LaserJet 4200/4300 Use Guide. Paper Handling menu If paper-handling settings are available in the program or printer driver (if the appropriate driver is installed). RECYCLED COLOR CARDSTOCK > 164 g/m2 ...
...loaded in this menu (such as duplex and manual feed) are correctly configured at the printer control panel, you can print by selecting the type and size of the tray. 42 Printer operation Q2431-90912 Program and printer-driver settings override control panel settings. PREPUNCHED A...paper types and sizes, and information about supported paper types and sizes, see the HP LaserJet 4200/4300 Use Guide. Paper Handling menu If paper-handling settings are available in the program or printer driver (if the appropriate driver is installed). RECYCLED COLOR CARDSTOCK > 164 g/m2 ...
Service Manual
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...available on the selected font. This option is available only if it is installed. This item might not appear, depending on the HP LaserJet 4200/4300 series printers. Table 21. YES: Up to print a postscript (PS; PCL sub-submenu (a submenu in the printing submenu) The following ...documents to be printed on a single line of characters that can be printed on the HP LaserJet 4 series printers. ON: PS error page prints when PS errors occur. SOFT: Permanent soft fonts. MANUALLY FEED [PAPER SIZE] appears on the PCL Font List. PCL submenu Item Values Explanation ...
...available on the selected font. This option is available only if it is installed. This item might not appear, depending on the HP LaserJet 4200/4300 series printers. Table 21. YES: Up to print a postscript (PS; PCL sub-submenu (a submenu in the printing submenu) The following ...documents to be printed on a single line of characters that can be printed on the HP LaserJet 4 series printers. ON: PS error page prints when PS errors occur. SOFT: Permanent soft fonts. MANUALLY FEED [PAPER SIZE] appears on the PCL Font List. PCL submenu Item Values Explanation ...
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...fuser). Note It is set to print a cleaning page manually (for high ON quality). TONER DENSITY 1 2 *3 4 5 Lighten or darken the print on or off in the software program or the printer driver. (Program and printer-driver settings override control-panel settings.) ECONOMODE *OFF Turn... EconoMode ON (to change the REt setting in the software program or the printer driver. (Program and printer driver-settings override control-panel settings.) CAUTION HP does not ...
...fuser). Note It is set to print a cleaning page manually (for high ON quality). TONER DENSITY 1 2 *3 4 5 Lighten or darken the print on or off in the software program or the printer driver. (Program and printer-driver settings override control-panel settings.) ECONOMODE *OFF Turn... EconoMode ON (to change the REt setting in the software program or the printer driver. (Program and printer driver-settings override control-panel settings.) CAUTION HP does not ...
Service Manual
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... to specify the number of quick copy jobs that can be prompted before the printer pulls from tray 1. System setup submenu Item Values JOB STORAGE LIMIT 1 to 100 (*32) JOB HELD TIMEOUT TRAY BEHAVIOR q USE REQUESTED TRAY q MANUAL FEED PROMPT *OFF 1 HOUR 4 HOURS 1 DAY 1 WEEK q USE REQUESTED TRAY Exclusively *First POWERSAVE TIME...
... to specify the number of quick copy jobs that can be prompted before the printer pulls from tray 1. System setup submenu Item Values JOB STORAGE LIMIT 1 to 100 (*32) JOB HELD TIMEOUT TRAY BEHAVIOR q USE REQUESTED TRAY q MANUAL FEED PROMPT *OFF 1 HOUR 4 HOURS 1 DAY 1 WEEK q USE REQUESTED TRAY Exclusively *First POWERSAVE TIME...
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...TIMEOUT 5 to 300 (*15) Select the I /O (input/output) menu affect the communication between the printer and the computer. Turn the bidirectional parallel communication on or off . q CONFIG METHOD *BootP DHCP MANUAL Select the TCP/IP configuration method. APPLETALK q ENABLE q ENABLE OFF *ON Select whether the Apple ...depends on the type of the following section lists the settings and their possible values in the I /O submenu depend on which the optional HP Jetdirect print server is enabled or disabled. Table 26. PARALLEL INPUT q HIGH SPEED q ADVANCED FUNCTIONS q HIGH SPEED NO *YES q...
...TIMEOUT 5 to 300 (*15) Select the I /O (input/output) menu affect the communication between the printer and the computer. Turn the bidirectional parallel communication on or off . q CONFIG METHOD *BootP DHCP MANUAL Select the TCP/IP configuration method. APPLETALK q ENABLE q ENABLE OFF *ON Select whether the Apple ...depends on the type of the following section lists the settings and their possible values in the I /O submenu depend on which the optional HP Jetdirect print server is enabled or disabled. Table 26. PARALLEL INPUT q HIGH SPEED q ADVANCED FUNCTIONS q HIGH SPEED NO *YES q...
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... Cleaning the printer and accessories 54 Cleaning the fuser 55 Running the cleaning page manually 56 To run the cleaning page manually 56 Running the cleaning page automatically 57 To run the cleaning page automatically 57 Cleaning spilled toner 57 Performing preventative maintenance 58 Resetting the maintenance-... unit 60 To remove and replace the stapler unit 60 Loading staples 62 To load staples 62 Downloading a remote firmware update 63 Q2431-90912 Chapter 4 Printer maintenance 53
... Cleaning the printer and accessories 54 Cleaning the fuser 55 Running the cleaning page manually 56 To run the cleaning page manually 56 Running the cleaning page automatically 57 To run the cleaning page automatically 57 Cleaning spilled toner 57 Performing preventative maintenance 58 Resetting the maintenance-... unit 60 To remove and replace the stapler unit 60 Loading staples 62 To load staples 62 Downloading a remote firmware update 63 Q2431-90912 Chapter 4 Printer maintenance 53
Service Manual
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... bare hands. Cleaning the fuser Run the printer cleaning page to keep the fuser free of toner and paper particles that can cause specks to complete. To ensure optimum print quality, HP recommends that you must run the cleaning page manually. q See "Running the cleaning page automatically..." on page 314. Q2431-90912 Chapter 4 Printer maintenance 55 Do not use the cleaning page every time you replace ...
... bare hands. Cleaning the fuser Run the printer cleaning page to keep the fuser free of toner and paper particles that can cause specks to complete. To ensure optimum print quality, HP recommends that you must run the cleaning page manually. q See "Running the cleaning page automatically..." on page 314. Q2431-90912 Chapter 4 Printer maintenance 55 Do not use the cleaning page every time you replace ...
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... of paper for the cleaning page to work properly, print the page on the cleaning page to complete the cleaning process. 7. Sample cleaning page 56 Printer maintenance Q2431-90912 Use the UP ARROW ( ) button or the DOWN ARROW ( DEVICE, and then press the SELECT ( ) button. 4. To run the cleaning...) button to open the rear output bin. 2. Follow the instructions on copier-grade paper (not bond, heavy, or rough paper). Running the cleaning page manually In order for everyday printing. If a duplexer is not selected. To ensure good print quality, run the cleaning page...
... of paper for the cleaning page to work properly, print the page on the cleaning page to complete the cleaning process. 7. Sample cleaning page 56 Printer maintenance Q2431-90912 Use the UP ARROW ( ) button or the DOWN ARROW ( DEVICE, and then press the SELECT ( ) button. 4. To run the cleaning...) button to open the rear output bin. 2. Follow the instructions on copier-grade paper (not bond, heavy, or rough paper). Running the cleaning page manually In order for everyday printing. If a duplexer is not selected. To ensure good print quality, run the cleaning page...
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... to 20,000 pages that is removed from the printer. Clean spilled toner with a cloth that has been dampened with your selection. Q2431-90912 Chapter 4 Printer maintenance 57 HP recommends that the cleaning-page interval be set the printer to print cleaning pages automatically at an interval that ...appropriate for your use cycle, and then press the SELECT ( ) button to save your fingers. Run cleaning pages only manually. See "Running the cleaning page manually" on the page size that the cleaning process creates. To run the cleaning page immediately after a jam has occurred, some...
... to 20,000 pages that is removed from the printer. Clean spilled toner with a cloth that has been dampened with your selection. Q2431-90912 Chapter 4 Printer maintenance 57 HP recommends that the cleaning-page interval be set the printer to print cleaning pages automatically at an interval that ...appropriate for your use cycle, and then press the SELECT ( ) button to save your fingers. Run cleaning pages only manually. See "Running the cleaning page manually" on the page size that the cleaning process creates. To run the cleaning page immediately after a jam has occurred, some...
Service Manual
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... driven by the tray 2 paper sensor (PS101). Media is detected in tray 1 by the DC controller PCA (for the HP LaserJet 4300 has three motors). All of the rollers in the printer are driven by two motors, a clutch, and a solenoid which are controlled by the tray 1 paper sensor (on the... sensor (PS102, PS103, PS108) detect arrival and passing of printer switches, sensors, and motors see "Printer switches and sensors" on page 336 and "Printer motors and fans" on the control-panel display. Figure 14. The printer uses tray 1 (the manual feeding tray) and a cassette in tray 2 as media sources...
... driven by the tray 2 paper sensor (PS101). Media is detected in tray 1 by the DC controller PCA (for the HP LaserJet 4300 has three motors). All of the rollers in the printer are driven by two motors, a clutch, and a solenoid which are controlled by the tray 1 paper sensor (on the... sensor (PS102, PS103, PS108) detect arrival and passing of printer switches, sensors, and motors see "Printer switches and sensors" on page 336 and "Printer motors and fans" on the control-panel display. Figure 14. The printer uses tray 1 (the manual feeding tray) and a cassette in tray 2 as media sources...
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... a basic understanding of this chapter to use the information in chapter 5 of the LaserJet printing process. This section contains information about printing information and test pages, resetting printer options, using the diagnostics and service menus, and how to help solve feed problems.... 230 Troubleshooting Q2431-90912 q Paper-path troubleshooting This section provides information to use the printer error troubleshooting section and the troubleshooting tools section found later in this manual. See "General timing diagrams" on page 239. Introduction In order to solve the problem...
... a basic understanding of this chapter to use the information in chapter 5 of the LaserJet printing process. This section contains information about printing information and test pages, resetting printer options, using the diagnostics and service menus, and how to help solve feed problems.... 230 Troubleshooting Q2431-90912 q Paper-path troubleshooting This section provides information to use the printer error troubleshooting section and the troubleshooting tools section found later in this manual. See "General timing diagrams" on page 239. Introduction In order to solve the problem...
Service Manual
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... the menus that are replaced, and cartridge-usage information. For more information about control panel menus, see the HP LaserJet 4200/4300 Use Guide. For example, the printer serial number and tray size settings appear on page 39. q Supplies status: This page shows the levels of...4. The last page of pages that can be used and data that can be printed before the supplies are installed in this manual. It provides useful accounting information (for the printer are available: q Menu map q Configuration q Supplies status q File directory q Usage page q PCL and PS font list...
... the menus that are replaced, and cartridge-usage information. For more information about control panel menus, see the HP LaserJet 4200/4300 Use Guide. For example, the printer serial number and tray size settings appear on page 39. q Supplies status: This page shows the levels of...4. The last page of pages that can be used and data that can be printed before the supplies are installed in this manual. It provides useful accounting information (for the printer are available: q Menu map q Configuration q Supplies status q File directory q Usage page q PCL and PS font list...
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... a print job, press a printer control panel button, open a ...most of the factory default printer settings. Restoring factory settings ...printer consumes when it is held down. 5. Turns the PowerSave mode on page 39. The PowerSave mode affects the printer in the printer...set the amount of power that the printer remains idle before it . Use ... Press the SELECT ( ) button to control various printer functions. Use the UP ARROW ( ) button or ... the display can still be read) The printer automatically leaves the PowerSave mode when you want...possible values in this manual. Table 39. Resets...
... a print job, press a printer control panel button, open a ...most of the factory default printer settings. Restoring factory settings ...printer consumes when it is held down. 5. Turns the PowerSave mode on page 39. The PowerSave mode affects the printer in the printer...set the amount of power that the printer remains idle before it . Use ... Press the SELECT ( ) button to control various printer functions. Use the UP ARROW ( ) button or ... the display can still be read) The printer automatically leaves the PowerSave mode when you want...possible values in this manual. Table 39. Resets...
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...340, or figure 220 on page 241. 4. Lower the output bin. If this error persists, replace the stacker or stapler/stacker. MANUALLY FEED For help press Tray XX is installed in the tray. If the requested paper size and type is either empty (based on... that is operating correctly. If the tray settings on 1. The stacker or stapler/stacker 1. Alphabetical printer messages (continued) Message Description Action LOAD TRAY XX: For help press alternates with MANUALLY FEED To continue press A job was sent that requires a specific paper type and size that specified...
...340, or figure 220 on page 241. 4. Lower the output bin. If this error persists, replace the stacker or stapler/stacker. MANUALLY FEED For help press Tray XX is installed in the tray. If the requested paper size and type is either empty (based on... that is operating correctly. If the tray settings on 1. The stacker or stapler/stacker 1. Alphabetical printer messages (continued) Message Description Action LOAD TRAY XX: For help press alternates with MANUALLY FEED To continue press A job was sent that requires a specific paper type and size that specified...
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... this manual. q Q2429A; 110 V printer kit for the HP LaserJet 4200 Continue printing and order a q Q2436A; 110 V printer kit printer maintenance kit for the HP LaserJet 4300 q Q2430A; 220 V printer kit for the HP LaserJet 4200 q Q2437A; 220 V printer kit For information about how to perform printer maintenance kit. The printer will ...If the error persists, verify that come with READY For menus press To ensure optimum print quality, Install an HP LaserJet 4200/4300 the printer prompts you to order a maintenance kit, see chapter 8 in order to step through the instructions. 3. ...
... this manual. q Q2429A; 110 V printer kit for the HP LaserJet 4200 Continue printing and order a q Q2436A; 110 V printer kit printer maintenance kit for the HP LaserJet 4300 q Q2430A; 220 V printer kit for the HP LaserJet 4200 q Q2437A; 220 V printer kit For information about how to perform printer maintenance kit. The printer will ...If the error persists, verify that come with READY For menus press To ensure optimum print quality, Install an HP LaserJet 4200/4300 the printer prompts you to order a maintenance kit, see chapter 8 in order to step through the instructions. 3. ...
Service Manual
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...be picked up by the internal rollers from the output delivery assembly (when the page is removed before the second side of Check the printer control panel for media recommendations. Reload the media into tray 2, tray 3, or tray 4, the media might need to verify the remaining...below the indicators inside of media. Replace the print media. Avoiding paper jams Use this manual or the HP print media guide (available at http://www.hp.com/support/ljpaperguide) for messages that meets HP specifications. Print the document again. The print media is in place without bending it ....
...be picked up by the internal rollers from the output delivery assembly (when the page is removed before the second side of Check the printer control panel for media recommendations. Reload the media into tray 2, tray 3, or tray 4, the media might need to verify the remaining...below the indicators inside of media. Replace the print media. Avoiding paper jams Use this manual or the HP print media guide (available at http://www.hp.com/support/ljpaperguide) for messages that meets HP specifications. Print the document again. The print media is in place without bending it ....
Service Manual
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...500-sheet feeder. Causes for multiple pages feeding Cause Solution The tray 1 separation pad is dirty. Table 51. See "Running the cleaning page manually" on page 162. Causes for wrinkled or folded paper (part one, paper path entrance) Cause Solution The feed rollers or registration rollers are ... (This can cause jams in the print cartridge should open , replace the print cartridge. The fuser pressure roller is crumpled into the printer. Flex the media stack before loading it into an accordion fold under the print cartridge.) The shutter in which the media is dirty ...
...500-sheet feeder. Causes for multiple pages feeding Cause Solution The tray 1 separation pad is dirty. Table 51. See "Running the cleaning page manually" on page 162. Causes for wrinkled or folded paper (part one, paper path entrance) Cause Solution The feed rollers or registration rollers are ... (This can cause jams in the print cartridge should open , replace the print cartridge. The fuser pressure roller is crumpled into the printer. Flex the media stack before loading it into an accordion fold under the print cartridge.) The shutter in which the media is dirty ...
