HP LaserJet 4250 Support Question
HP LaserJet 4250 Support Question
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Question posted by rdprmr on July 13th, 2014
How Do You Replace The Fixing Assembly On An Hp Laserjet P2055
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Current Answers
Answer #1: Posted by freginold on August 10th, 2014 9:12 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
Related HP LaserJet 4250 Manual Pages
HP Jetdirect External Print Server Products - External USB Compatibility - Page 2
..., Z3100, 30, 70, 90, 110+, 130, 500, 510, 800, and 820mfp; HP LaserJet P2014, P2015, P2035, P2055, P3005, P4014, P4015, P4515, 1015, 1022, 1160, 1200, 1300, 1320, 2200, 2300, 2410, 2420, 2430, 3015, 3020, 3030, 3052, 3055, 3300, 3380, 3390, 3392, 4240, 4250, 4350, and 5200 series; The 175x, ew2400, and en3700 supported scanning...
Service Manual - Page 10
... Reinstallation tip...235 Installing a new formatter and a new dc controller (LJ 4250/4350 only 235 Power supply...236 Paper-feed belt assembly 243
Motors and fans...2. 45 Main cooling fan (left side 246 Cooling fan, right side (HP LaserJet 4250/4300/4350 Series printers only 248 Removing the fan without removing the air duct 248 Removing...
Service Manual - Page 178
...
To replace the printer firmware ....
In HP LaserJet 4200/4300 Series printers DIMM slots...HP Memory Enhancement technology (MEt) effectively doubles the standard memory through two-way communication.
■ Dynamic I /O by adding DIMMs to the formatter. and data-compression methods.
NOTE The Me t is not functional when printing in DIMM slot 1 (the uppermost slot) inside the formatter assembly...
Service Manual - Page 226
... formatter assembly toward the rear of the printer. If you are installing a new formatter and a new dc controller in an HP LaserJet 4250 or 4350 Series printer, see the special section that follows this formatter section-Installing a new formatter and a new dc controller (LJ 4250/4350 only). For example, an HP LaserJet 4350 printer could perform as an HP LaserJet 4250.
If you...
Service Manual - Page 227
... a new dc controller on an HP LaserJet 4250 or 4350 Series printer, follow these instructions can result in this procedure.
4 Turn the printer off. 5 Turn the printer on again, and then wait five minutes after the printer reaches the Ready state. 6 Turn the printer off. 7 Remove the dc controller (see Formatter assembly ) and replace it with the new formatter. 3 Turn...
Service Manual - Page 234
NOTE The HP LaserJet 4200/4300 Series printers might have fewer than three grounding clips.
220
6 Removing and replacing parts Make sure that you replace the grounding clips when you reinstall the laser/scanner.
4 Remove three screws (callout 3) and their grounding clips.
3
Figure 6-44 Laser/scanner (2 of 3)
Reinstallation tip The grounding clips are not captive.
Service Manual - Page 249
... dc controller, turn the printer on an HP LaserJet 4250 or 4350 Series printer, follow these instructions can result in this procedure.
4 Turn the printer off. 5 Turn the printer on again, and then wait five minutes after the printer reaches the Ready state. 6 Turn the printer off. 7 Remove the dc controller (see Formatter assembly ) and replace it with the new formatter...
Service Manual - Page 262
Rotate the anti-static bar away from the printer remove it from the printer.
3 Unplug the fan cable from the air duct, complete the following assemblies: ● Rear accessory cover. See Accessory covers and the tray 2 ...J78 on the dc controller PCA.
248
6 Removing and replacing parts Cooling fan, right side (HP LaserJet 4250/4300/4350 Series printers only)
NOTE This fan is not installed in...
Service Manual - Page 276
... side (HP LaserJet 4250/4300/4350 Series printers only)) to the chassis with the flag spring positioned in the hole in the plastic frame. Fasten the paper-feed assembly to release...replace the paper-feed assembly, verify that the wire-harnesses are fed through the hole in the transfer assembly.
Figure 6-84 Correctly install the paper-feed assembly sensor flag
262
6 Removing and replacing...
Service Manual - Page 320
... is connected. See the hint in the procedure for Top cover.
5 (HP LaserJet 4200 and 4300 Series printers only) Make sure that the firmware DIMM and the formatter are operating correctly,...6 Remove any HP Jetdirect or other printer components.
After the fan is operating, the main motor turns on (unless the top cover is open .
2 If necessary, replace the power-supply assembly. If the engine...
Service Manual - Page 322
... the engine test is not successful with the formatter removed, replace the formatter. See Power supply.
4 Replace the dc controller. See Control-panel assembly.
● (HP Laserjet 4200 and 4300 Series printers only) Replace the firmware DIMM. See Formatter assembly . See Firmware DIMM (LJ 4200/4300 only).
● Replace the formatter. Table 7-2 Power-on to perform the engine test...
Service Manual - Page 324
...HP LaserJet 4200/4300 Use Guide or the HP LaserJet 4250/4350 Use Guide. The last page of the menu map series contains instructions about files on an optional hard-disk accessory or flash DIMM if those memory accessories are installed.
310
7 Troubleshooting For example, the printer... replacing the formatter assembly.
● Configuration page: The configuration page lists printer configuration...
Service Manual - Page 373
... across the main cooling fan on the dc controller PCA.
3 Replace the fan. See Main cooling fan (left side).
4 Replace the power-supply assembly. See Dc controller PCA.
58.4 Power supply
1 Replace the power-supply assembly. See Cooling fan, right side (HP LaserJet 4250/4300/4350 Series printers only).
3 Replace the dc controller PCA.
See Power supply.
58.3 Dc controller...
Service Manual - Page 378
... www.hp.com/go/lj4350_software. See Formatter assembly .
364
7 Troubleshooting Not all HP LaserJet 4200/4300 printers can receive a firmware update, download the newer firmware upgrade. See Firmware DIMM (LJ 4200/4300 only).
1 Turn the printer off then on
8X.YYYY EIO ERROR
The EIO accessory card in slot X has encountered a critical error. See Formatter assembly .
6 Replace the...
Service Manual - Page 386
... pick-up drive unit. See Tray 2 lifter-drive assembly and/or Printer switches and sensors. The dc controller PCA is damaged. Jams in the paper pickup drive assembly. The pickup roller is not approximately 160 ohms for the HP LaserJet 4200/4300, or 110 ohms for the HP LaserJet 4250/4350, replace the tray 2 pickup solenoid. Move the gears...
Service Manual - Page 387
... paper-pickup drive assembly. Inspect the connector to the printer has poor contact.
The dc controller PCA is not approximately 160 ohms for the HP LaserJet 4200/4300, or 110 ohms for the 1,500-sheet feeder.
Replace the surface stack sensor (PS802 for the 500-sheet feeder, or SR2 for the HP LaserJet 4250/4350, replace the paperfeeder pickup...
Service Manual - Page 403
... (see Print-quality submenu).
Replace the assembly if it is defective. Make sure that EconoMode is turned off . The high-transfer setting is off .
Replace the springs if they are damaged or missing.
Table 7-26 Loose toner or toner smear Possible cause The interior of the printer (see the HP LaserJet Printer Family Paper Specification Guide).
Recommended...
Service Manual - Page 405
... assembly is defective. (HP LaserJet 4250/4300/4350 only)
Replace the print-cartridge motor (HP LaserJet 4250/4300/4350 only). Also try rotating the media 180 degrees.
2 Check the media for type and quality. The operating environment does not meet specifications, and advise the customer to use the HPrecommended media and to the laser/scanner assembly. Make sure that the printer...
Service Manual - Page 530
... firmware 91 drivers supported 13 FTP firmware updates 93 HP LaserJet Utility 17, 98 operating systems supported
12 PPDs 17 software included 17 main cooling fan, removing 246 main drive assembly locating 409 part numbers 476 removing 263 maintenance kit contents 86 message, clearing 78 replacing 86 supplies status page 314 manual feed 69...
Service Manual - Page 534
... removing 266 registration settings 71 registration-roller assembly, locating 410 regulatory statements Canadian DOC statement 49 Declaration of Conformity 47 FCC 43 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...
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