Service Manual
Page 14
...connectors diagram 356 Figure 234. HP LaserJet 4300 general timing diagram 358 Figure 236. Repetitive defect ruler 325 Figure 208. Location of main printer parts (1 of the stacker...Figure 202. Supplies status page 242 Figure 204. Location of main printer parts (4 of 3 374 Figure 241. HP LaserJet 4200 general timing diagram 357 Figure 235. Main assemblies (1 of figures ... feeder lifter-drive assembly (4 of the stapler/stacker stapler unit 344 Figure 222. Troubleshooting flowchart (1 of the stacker and stapler/stacker switches and sensors 345 Figure 223. ...
...connectors diagram 356 Figure 234. HP LaserJet 4300 general timing diagram 358 Figure 236. Repetitive defect ruler 325 Figure 208. Location of main printer parts (1 of the stacker...Figure 202. Supplies status page 242 Figure 204. Location of main printer parts (4 of 3 374 Figure 241. HP LaserJet 4200 general timing diagram 357 Figure 235. Main assemblies (1 of figures ... feeder lifter-drive assembly (4 of the stapler/stacker stapler unit 344 Figure 222. Troubleshooting flowchart (1 of the stacker and stapler/stacker switches and sensors 345 Figure 223. ...
Service Manual
Page 249
...stacker stapler assembly 344 Stacker and stapler/stacker motors and solenoids 346 Stacker and stapler/stacker PCAs 347 Printer and accessory wiring diagrams 348 HP LaserJet 4200 wiring diagram 348 HP LaserJet 4300 wiring diagram 349 500-sheet feeder wiring diagram 350 1,500-sheet feeder wiring diagram 351 Duplex accessory ... wiring diagram 354 Stapler/stacker accessory wiring diagram 355 DC controller connectors diagram 356 General timing diagrams 357 HP LaserJet 4200 general timing diagram 357 HP LaserJet 4300 general timing diagram 358 Q2431-90912 Chapter 7 Troubleshooting 229
...stacker stapler assembly 344 Stacker and stapler/stacker motors and solenoids 346 Stacker and stapler/stacker PCAs 347 Printer and accessory wiring diagrams 348 HP LaserJet 4200 wiring diagram 348 HP LaserJet 4300 wiring diagram 349 500-sheet feeder wiring diagram 350 1,500-sheet feeder wiring diagram 351 Duplex accessory ... wiring diagram 354 Stapler/stacker accessory wiring diagram 355 DC controller connectors diagram 356 General timing diagrams 357 HP LaserJet 4200 general timing diagram 357 HP LaserJet 4300 general timing diagram 358 Q2431-90912 Chapter 7 Troubleshooting 229
Service Manual
Page 259
... 7 Troubleshooting 239 The high-level menus appear in this manual. The informational pages for example, the number of pages of various paper sizes that have been used to calculate toner usage). q File directory: This page provides information about control panel menus, see the HP LaserJet 4200/4300 Use Guide. q Configuration page: The configuration page lists printer...
... 7 Troubleshooting 239 The high-level menus appear in this manual. The informational pages for example, the number of pages of various paper sizes that have been used to calculate toner usage). q File directory: This page provides information about control panel menus, see the HP LaserJet 4200/4300 Use Guide. q Configuration page: The configuration page lists printer...
Service Manual
Page 265
... receive messages that indicate that the print cartridge is supported only for the HP LaserJet 4200/4300 printer, where you when the print cartridges are low, directly connected printers that support Printer Status and Alerts generate a message when the print cartridges are printing to the...prevents it . The Printer Status and Alerts software is empty). q Directly connected printers. However, none of the printer and print jobs. Q2431-90912 Chapter 7 Troubleshooting 245 Connecting to the printer or every time the print job is low). For networked printers, these Web sites....
... receive messages that indicate that the print cartridge is supported only for the HP LaserJet 4200/4300 printer, where you when the print cartridges are low, directly connected printers that support Printer Status and Alerts generate a message when the print cartridges are printing to the...prevents it . The Printer Status and Alerts software is empty). q Directly connected printers. However, none of the printer and print jobs. Q2431-90912 Chapter 7 Troubleshooting 245 Connecting to the printer or every time the print job is low). For networked printers, these Web sites....
Service Manual
Page 269
... control-panel display to indicate that a maintenance kit is installed. Select this item to specify the date when the printer was installed or the total number of a personal identification number (PIN). Select this item to SERVICE, and then press...Troubleshooting 249 Typically this item to specify the number of pages that are prompted to zero) the internal event log. Use the PIN code 11420002 for the HP LaserJet 4200 product and the PIN code 11430002 for the paper size. Press the Select ( ) button to restore the initial default factory settings for the HP LaserJet 4300...
... control-panel display to indicate that a maintenance kit is installed. Select this item to specify the date when the printer was installed or the total number of a personal identification number (PIN). Select this item to SERVICE, and then press...Troubleshooting 249 Typically this item to specify the number of pages that are prompted to zero) the internal event log. Use the PIN code 11420002 for the HP LaserJet 4200 product and the PIN code 11430002 for the paper size. Press the Select ( ) button to restore the initial default factory settings for the HP LaserJet 4300...
Service Manual
Page 282
...in the printer. 1. J228 for the HP LaserJet 4200; See "DC controller PCA" on page 188. Press the UP ARROW ( ) button and the DOWN ARROW ( ) button to step through the instructions. 3. Press the UP ARROW ( ) other than that the fuser connector (J128 for the HP LaserJet 4300) is operating...TRAY PRESS Tray XX is either empty (based on both sides click into place. 3. See "Configuration page" on page 343. 262 Troubleshooting Q2431-90912 Press the HELP ( ) button the operation of the paper sensor) for printing to step through the instructions. 5. q If...
...in the printer. 1. J228 for the HP LaserJet 4200; See "DC controller PCA" on page 188. Press the UP ARROW ( ) button and the DOWN ARROW ( ) button to step through the instructions. 3. Press the UP ARROW ( ) other than that the fuser connector (J128 for the HP LaserJet 4300) is operating...TRAY PRESS Tray XX is either empty (based on both sides click into place. 3. See "Configuration page" on page 343. 262 Troubleshooting Q2431-90912 Press the HELP ( ) button the operation of the paper sensor) for printing to step through the instructions. 5. q If...
Service Manual
Page 285
...Troubleshooting 265 Alphabetical printer messages (continued) Message Description Action OUTPUT BIN 1 FULL REMOVE ALL PAPER FROM BIN Note: The stacker or stapler/stacker LED blinks in progress. Press the HELP ( ) button cartridge door is generating the registration page. 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 ...
...Troubleshooting 265 Alphabetical printer messages (continued) Message Description Action OUTPUT BIN 1 FULL REMOVE ALL PAPER FROM BIN Note: The stacker or stapler/stacker LED blinks in progress. Press the HELP ( ) button cartridge door is generating the registration page. 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 ...
Service Manual
Page 329
...worn seals. (If the drum has been manually rotated, it has been damaged or scratched. Q2431-90912 Chapter 7 Troubleshooting 309 If dark areas appear, stop the printer and wait a few minutes This should eliminate most defective images. q Check the surface of the photosensitive drum in the... the print cartridge in the print cartridge. Note CAUTION Check the print cartridge Image-formation defects are rated for 12,000 (LaserJet 4200) and 18,000 (LaserJet 4300) images at five percent coverage. If you suspect that the toner supply will outlast the mechanical parts in a dark environment ...
...worn seals. (If the drum has been manually rotated, it has been damaged or scratched. Q2431-90912 Chapter 7 Troubleshooting 309 If dark areas appear, stop the printer and wait a few minutes This should eliminate most defective images. q Check the surface of the photosensitive drum in the... the print cartridge in the print cartridge. Note CAUTION Check the print cartridge Image-formation defects are rated for 12,000 (LaserJet 4200) and 18,000 (LaserJet 4300) images at five percent coverage. If you suspect that the toner supply will outlast the mechanical parts in a dark environment ...
Service Manual
Page 340
...troubleshooting" on page 325. 320 Troubleshooting Q2431-90912 q The print cartridge has an expected life of 12,000 pages for the HP LaserJet 4200 printer and 18,000 pages for contamination. Dirty mirror in order: 1. See "Running the cleaning page manually" on page 310. q Replace the following in the laser... on page 56. Shake the print cartridge gently to redistribute the toner. See "Laser/scanner assembly" on page 173) and check for other tray's rollers for the HP LaserJet 4300 printer. The fuser roller is damaged. See "Running the cleaning page manually" on the...
...troubleshooting" on page 325. 320 Troubleshooting Q2431-90912 q The print cartridge has an expected life of 12,000 pages for the HP LaserJet 4200 printer and 18,000 pages for contamination. Dirty mirror in order: 1. See "Running the cleaning page manually" on page 310. q Replace the following in the laser... on page 56. Shake the print cartridge gently to redistribute the toner. See "Laser/scanner assembly" on page 173) and check for other tray's rollers for the HP LaserJet 4300 printer. The fuser roller is damaged. See "Running the cleaning page manually" on the...
Service Manual
Page 345
... roller (see note)* 75.0 mm (2.95 inches) fuser (HP LaserJet 4200) Figure 207. 94.0 mm (3.75 inches) fuser (HP LaserJet 4300) 94.2 mm (3.75 inches) photosensitive drum Repetitive defect ruler Q2431-90912 Chapter 7 Troubleshooting 325 Instead, rub the roller with water. To resolve the ...is 62.8 mm (2.5 inches). CAUTION Note Repetitive defects troubleshooting Defects on printer rollers can cause image defects to appear at regular intervals that recur on a page. HP LaserJet 4200) 94.0 mm (3.75 inches; HP LaserJet 4300) Fuser Photosensitive drum 94.2 mm (3.75 inches) print ...
... roller (see note)* 75.0 mm (2.95 inches) fuser (HP LaserJet 4200) Figure 207. 94.0 mm (3.75 inches) fuser (HP LaserJet 4300) 94.2 mm (3.75 inches) photosensitive drum Repetitive defect ruler Q2431-90912 Chapter 7 Troubleshooting 325 Instead, rub the roller with water. To resolve the ...is 62.8 mm (2.5 inches). CAUTION Note Repetitive defects troubleshooting Defects on printer rollers can cause image defects to appear at regular intervals that recur on a page. HP LaserJet 4200) 94.0 mm (3.75 inches; HP LaserJet 4300) Fuser Photosensitive drum 94.2 mm (3.75 inches) print ...