Service Manual
Page 12
...Converting the Service ID to an actual date 324 Restoring the Service ID 324 Printer resets and power-on modes...325 Cold reset ...325 To perform a cold reset 325 NVRAM initialization ...326 To initialize NVRAM 326 Hard-disk initialization ...327 To initialize ...troubleshooting ...331 Communications checks...331 Computer direct connect (parallel) test 331 EIO troubleshooting ...331 Jetdirect page/Embedded Jetdirect page (HP LaserJet 4250/4350 Series printers)...332 Display-message troubleshooting ...333 Status messages ...333 Warning messages ...333 Error messages ...333 Critical-error ...
...Converting the Service ID to an actual date 324 Restoring the Service ID 324 Printer resets and power-on modes...325 Cold reset ...325 To perform a cold reset 325 NVRAM initialization ...326 To initialize NVRAM 326 Hard-disk initialization ...327 To initialize ...troubleshooting ...331 Communications checks...331 Computer direct connect (parallel) test 331 EIO troubleshooting ...331 Jetdirect page/Embedded Jetdirect page (HP LaserJet 4250/4350 Series printers)...332 Display-message troubleshooting ...333 Status messages ...333 Warning messages ...333 Error messages ...333 Critical-error ...
Service Manual
Page 226
... the total page count, the maintenance count, the service ID, the cold reset paper size, and the serial number (see Service menu (service PIN codes)). 3 Reset the printer display language to follow instructions in the reinstallation tips. 3 ...Slide the formatter assembly toward the rear of the printer. If you are installing a new formatter and a new dc controller in a printer-configuration downgrade. If you are installing a new formatter, follow these instructions can result in an HP LaserJet 4250...
... the total page count, the maintenance count, the service ID, the cold reset paper size, and the serial number (see Service menu (service PIN codes)). 3 Reset the printer display language to follow instructions in the reinstallation tips. 3 ...Slide the formatter assembly toward the rear of the printer. If you are installing a new formatter and a new dc controller in a printer-configuration downgrade. If you are installing a new formatter, follow these instructions can result in an HP LaserJet 4250...
Service Manual
Page 337
... the service submenu appears on the control-panel display to indicate that you replace the formatter or restore factory settings (see Cold reset). Select this item to specify the number of the PIN code appears. Control-panel menus 323 The service menu is installed... that are the only cold-reset values available. When you replace a formatter or restore factory settings in the table Table 7-5 Service PIN codes Table 7-5 Service PIN codes Printer model HP LaserJet 4200 Series printer HP LaserJet 4250 Series printer HP LaserJet 4300 Series printer HP LaserJet 4350 Series printer PIN ...
... the service submenu appears on the control-panel display to indicate that you replace the formatter or restore factory settings (see Cold reset). Select this item to specify the number of the PIN code appears. Control-panel menus 323 The service menu is installed... that are the only cold-reset values available. When you replace a formatter or restore factory settings in the table Table 7-5 Service PIN codes Table 7-5 Service PIN codes Printer model HP LaserJet 4200 Series printer HP LaserJet 4250 Series printer HP LaserJet 4300 Series printer HP LaserJet 4350 Series printer PIN ...
Service Manual
Page 339
... highlighted. 5 Press . However, it does not clear the values in the service menu (such as the serial number and page counts). Cold reset A cold reset unlocks menus that the cold reset procedure changes. For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down (SELECT button) when the memory count begins. 3 Continue holding down...
... highlighted. 5 Press . However, it does not clear the values in the service menu (such as the serial number and page counts). Cold reset A cold reset unlocks menus that the cold reset procedure changes. For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down (SELECT button) when the memory count begins. 3 Continue holding down...
Service Manual
Page 340
... the NVRAM only when absolutely necessary. Initializing the NVRAM also resets service-menu values to restore the serial number and page counts. In most situations, use a cold reset rather than a NVRAM initialization to reset printer settings (this printer so that the NVRAM initialization procedure ... 8 Press . For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down (SELECT button) when the memory count begins. 4 Continue holding down ( SELECT button), and then turn the printer power on the configuration page to reset any computers that print to...
... the NVRAM only when absolutely necessary. Initializing the NVRAM also resets service-menu values to restore the serial number and page counts. In most situations, use a cold reset rather than a NVRAM initialization to reset printer settings (this printer so that the NVRAM initialization procedure ... 8 Press . For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down (SELECT button) when the memory count begins. 4 Continue holding down ( SELECT button), and then turn the printer power on the configuration page to reset any computers that print to...
Service Manual
Page 528
...operations 159 cleaning the printer 82 clearable warnings setting 75 clutches pickup and feed operations 116 removing 277 tray 2 operations 119 cold reset 325 communication 162 communications troubleshooting 331 communications settings 77 CompactFlash cards accessing 9 models supporting 163 component locations 409, 454, ... diagram 436 locating 415 operations 105, 108 PCA diagram 173 removing 230 replacing 213 Declaration of Conformity 47 default settings cold reset 325 control panel 59 restoring 78 defects examples of 382 repeating 390, 400 Diagnostics menu 80 DIMMs accessing 9 configuration ...
...operations 159 cleaning the printer 82 clearable warnings setting 75 clutches pickup and feed operations 116 removing 277 tray 2 operations 119 cold reset 325 communication 162 communications troubleshooting 331 communications settings 77 CompactFlash cards accessing 9 models supporting 163 component locations 409, 454, ... diagram 436 locating 415 operations 105, 108 PCA diagram 173 removing 230 replacing 213 Declaration of Conformity 47 default settings cold reset 325 control panel 59 restoring 78 defects examples of 382 repeating 390, 400 Diagnostics menu 80 DIMMs accessing 9 configuration ...
Service Manual
Page 529
... printer 24, 52 error messages alphabetical 333 event log 80 numerical 348 settings 75 troubleshooting 333 event log 80 F factory defaults cold reset 325 control panel 59 restoring 78 faded print, troubleshooting 383 fans life expectancies 88 locating 414 operations 109 removing 245 troubleshooting 306 fasteners...stapler/stacker 142 tray 1 117 tray 2 119 file directory, printing 63 firmware updates DIMMs 164, 210 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 fonts list, printing ...
... printer 24, 52 error messages alphabetical 333 event log 80 numerical 348 settings 75 troubleshooting 333 event log 80 F factory defaults cold reset 325 control panel 59 restoring 78 faded print, troubleshooting 383 fans life expectancies 88 locating 414 operations 109 removing 245 troubleshooting 306 fasteners...stapler/stacker 142 tray 1 117 tray 2 119 file directory, printing 63 firmware updates DIMMs 164, 210 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 fonts list, printing ...
Service Manual
Page 534
...Finnish laser statement 50 Japanese VCCI statement 49 Korean EMI statement 49 laser safety 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 ...181 sequence of operations 105 serial number 8 service agreements 445 service approach 168 service ID 324 Service menu 323 setting up printer 52 settings cold reset 325 control panel, changing 61 default, control panel 59 drivers 15 restoring defaults 78 size specifications, printer 18, 52 size, paper 1,...
...Finnish laser statement 50 Japanese VCCI statement 49 Korean EMI statement 49 laser safety 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 ...181 sequence of operations 105 serial number 8 service agreements 445 service approach 168 service ID 324 Service menu 323 setting up printer 52 settings cold reset 325 control panel, changing 61 default, control panel 59 drivers 15 restoring defaults 78 size specifications, printer 18, 52 size, paper 1,...