Service Manual
Page 12
...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 the hard disk 327... 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 messages...
...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 the hard disk 327... 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 messages...
Service Manual
Page 226
...operation of the printer to remove it. If you install a replacement formatter, complete the following steps: 1 Perform an NVRAM initialization (see To initialize NVRAM). 2 Use the control-panel display to open the service menu and specify the total page count, the maintenance count, ...212 6 Removing and replacing parts Failure to the customer's choice (see Service menu (service PIN codes)). 3 Reset the printer display language to follow instructions in an HP LaserJet 4250 or 4350 Series printer, see the special section that follows this formatter section-Installing a new formatter and a ...
...operation of the printer to remove it. If you install a replacement formatter, complete the following steps: 1 Perform an NVRAM initialization (see To initialize NVRAM). 2 Use the control-panel display to open the service menu and specify the total page count, the maintenance count, ...212 6 Removing and replacing parts Failure to the customer's choice (see Service menu (service PIN codes)). 3 Reset the printer display language to follow instructions in an HP LaserJet 4250 or 4350 Series printer, see the special section that follows this formatter section-Installing a new formatter and a ...
Service Manual
Page 340
...configuration values that the computers can recognize the printer. The printer initializes NVRAM and then continues its power-on . Use the information on . This might take up to factory defaults. For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down... PAUSE/RESUME button (LJ 4200/4300) or the MENU button (LJ 4250/4350). Use the service menu to reset printer settings (this printer so that the NVRAM initialization procedure changes. NVRAM initialization CAUTION Initializing the NVRAM resets the serial number, the event log, the page counts, the EIO...
...configuration values that the computers can recognize the printer. The printer initializes NVRAM and then continues its power-on . Use the information on . This might take up to factory defaults. For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then hold down... PAUSE/RESUME button (LJ 4200/4300) or the MENU button (LJ 4250/4350). Use the service menu to reset printer settings (this printer so that the NVRAM initialization procedure changes. NVRAM initialization CAUTION Initializing the NVRAM resets the serial number, the event log, the page counts, the EIO...
Service Manual
Page 376
... failure For help press alternates with 64 PRINTER ERROR To continue turn off . See NVRAM initialization. 362 7 Troubleshooting default. See Settings and defaults and Control- X Description 4 Perform a NVRAM initialization. The stacker or stapler/stacker was on . 6 If the error 66.12...in amber. Printing can continue, 3 Check the printer settings to determine but the printer might behave unexpectedly which settings have been reset to the changed . A stacker or stapler/stacker error has occurred. Pressing ( SELECT button) should clear the message. panel menus...
... failure For help press alternates with 64 PRINTER ERROR To continue turn off . See NVRAM initialization. 362 7 Troubleshooting default. See Settings and defaults and Control- X Description 4 Perform a NVRAM initialization. The stacker or stapler/stacker was on . 6 If the error 66.12...in amber. Printing can continue, 3 Check the printer settings to determine but the printer might behave unexpectedly which settings have been reset to the changed . A stacker or stapler/stacker error has occurred. Pressing ( SELECT button) should clear the message. panel menus...
Service Manual
Page 531
...not supported 38 types supported 31 usage page 63 weight equivalence table 32 wrinkled, troubleshooting 375, 394 memory base 2 configuration page 312 NVRAM initialization 326 operations 163 part numbers 450 print-cartridge 160 slots 163 Memory Enhancement technology (MEt) 164 menus, control panel accessing 58 ...Configure Device 68 Diagnostics 80 I/O 77 Information 63 map, printing 60, 311 Paper Handling 64 Print Quality 71 Printing 68 Resets 78 Retrieve Job 62 Service 323 settings, changing 61 Stapler/stacker 77 System Setup 74 mercury specifications 45 messages alphabetical 333 event log...
...not supported 38 types supported 31 usage page 63 weight equivalence table 32 wrinkled, troubleshooting 375, 394 memory base 2 configuration page 312 NVRAM initialization 326 operations 163 part numbers 450 print-cartridge 160 slots 163 Memory Enhancement technology (MEt) 164 menus, control panel accessing 58 ...Configure Device 68 Diagnostics 80 I/O 77 Information 63 map, printing 60, 311 Paper Handling 64 Print Quality 71 Printing 68 Resets 78 Retrieve Job 62 Service 323 settings, changing 61 Stapler/stacker 77 System Setup 74 mercury specifications 45 messages alphabetical 333 event log...