HP LaserJet 4250 Support Question
HP LaserJet 4250 Support Question
Find answers below for this question about HP LaserJet 4250.Need a HP LaserJet 4250 manual? We have 13 online manuals for this item!
Question posted by uuce on February 11th, 2014
How To Replace Solenoid Hp Laserjet 4200
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Related HP LaserJet 4250 Manual Pages
Service Manual - Page 9
... card (HP LaserJet 4250/4350 Series printers only 163 Hard-disk accessory 163 CPU ...163 Printer memory ...163 Read-only memory 163 Random-access memory 163 DIMM slots ...164 Firmware DIMM (LJ 4200/4200L/4300 only 164 Nonvolatile memory 164 Memory Enhancement technology 164 PJL overview ...164 PML...165 Control panel ...165
6 Removing and replacing parts Chapter...
Service Manual - Page 10
...4200/4300 only 210 Formatter assembly ...211 Reinstallation notes, formatter 212 Installing a new formatter and a new dc controller (LJ 4250/4350 only 213 Output-delivery assembly 214 Duplexing-pendulum assembly 217 Laser...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 13
... 417 1,500-sheet feeder main parts 418 1,500-sheet feeder switches, sensors, solenoids, and PCAs 420 Stapler/stacker stapler assembly 421 Stacker and stapler/stacker switches and sensors 422 Stacker and stapler/stacker motors and solenoids 423 Stacker and stapler/stacker PCAs 424 Printer and accessory wiring diagrams 425 HP LaserJet 4200 wiring diagram 426
xi
Service Manual - Page 100
... performance.
Do not use this procedure only after a maintenance kit has been installed. Performing preventive maintenance
Replace specific parts when the PERFORM PRINTER MAINTENANCE message appears on HP LaserJet 4250/4350 Series printers. Resetting the maintenance-kit counter (LJ 4200/4300)
After a maintenance kit is installed, the maintenance-kit counter must be temporarily cleared for...
Service Manual - Page 128
... be added to HP LaserJet 4200/4300 Series printers.
The HP LaserJet 4250, 4300, and 4350 Series printers use three motors, a clutch, and a solenoid. Two motors, a clutch, and a solenoid that are discussed later in the HP LaserJet 4200 Series printers. For information about the location of printer switches, sensors, and motors see Printer switches and sensors and Printer motors and...
Service Manual - Page 139
...-pickup-and-feed system
125 The paper-feeder driver drives the solenoid in the paper-feeder driver controls the 500-sheet feeder sequences and the communication with the dc controller PCA.
Printing from the 500-sheet feeder
NOTE HP LaserJet 4200/4300 Series printers support up to the dc controller PCA. The paper-feeder driver...
Service Manual - Page 178
...configuration. Firmware DIMM (LJ 4200/4200L/4300 only)
To replace the printer firmware DIMM, insert a new firmware DIMM in addition to add memory. See Firmware DIMM (LJ 4200/4300 only).
NOTE The...prinedt in PS mode. In HP LaserJet 4200/4300 Series printers DIMM slots can be used to the standard printer command language (PCL). Nonvolatile memory
The printer uses nonvolatile memory (NVRAM) ...
Service Manual - Page 234
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. NOTE The HP LaserJet 4200/4300 Series printers might have fewer than three grounding clips.
220
6 Removing and replacing parts
Service Manual - Page 262
... the fan cable from the air duct, complete the following assemblies: ● Rear accessory cover. Cooling fan, right side (HP LaserJet 4250/4300/4350 Series printers only)
NOTE This fan is not installed in HP LaserJet 4200/4200L Series printers. See Formatter cover
2 Gently pry back the two retaining tabs (callout 1) and slip the anti-static bar (callout...
Service Manual - Page 320
... necessary, replace the power-supply assembly. You can also lean close to the printer and hear...4200/4300 only).
6 Remove any HP Jetdirect or other printer components.
If the printer control panel is blank when you will feel a slight vibration and feel air passing into the printer. Place your hand over the holes in the procedure for Top cover.
5 (HP LaserJet 4200 and 4300 Series printers...
Service Manual - Page 322
... Dc controller PCA.
308
7 Troubleshooting
See Dc controller PCA. See Control-panel assembly.
● (HP Laserjet 4200 and 4300 Series printers only) Replace the firmware DIMM. Table 7-2 Power-on to perform the engine test again.
See Firmware DIMM (LJ 4200/4300 only).
● Replace the formatter. If the engine test is not successful with the formatter removed...
Service Manual - Page 324
... accessory or flash DIMM if those memory accessories are discussed in detail in the printer memory. It provides useful accounting information (for the printer are installed in this manual. For more information, see the HP LaserJet 4200/4300 Use Guide or the HP LaserJet 4250/4350 Use Guide. This page also lists fonts on the RAM disk or...
Service Manual - Page 338
...of the month is the 30th.
Service ID
When printing from an HP LaserJet 4200 and 4300 Series printer this information appears on the date the printer was first used , the service ID conversion is as follows:
&#...item to keep paper receipts for proof of the warranty.
Restoring the Service ID
If you replace the formatter, the Service ID is YYDDD. A 6-day grace period is built into the...
Service Manual - Page 341
... erases and reformats the printer hard disk.
For HP Laserjet 4250/4350 Series printers: Turn the printer power on, and then...replacing it. The printer initializes the hard disk and continues its power-on the control panel indicates an EIO disk error. Printer resets and power-on .
To initialize the hard disk
1 Turn the printer power off.
2 For HP Laserjet 4200/4300 Series printers...
Service Manual - Page 355
... of the output bin rollers) can 1 Turn the printer power off, and then on the formatter).
Install an HP LaserJet 4200/4250/4300/4350 printer maintenance kit. See the instructions that come with Ready ... blinks in progress.
Replace the memory DIMM. See Firmware DIMM (LJ 4200/4300 only). The jam-access door or the staple-cartridge 1 Press ( HELP button) for replacing a memory DIMM is...
Service Manual - Page 369
..., turn off and then on again.
3 If these errors becomes a frequent problem, replace the dc controller PCA. Not all HP LaserJet 4200/4300 printers can receive firmware upgrades.
4 Try printing a job from the printer memory.
2 Turn the printer off and then on.
3 Go to the printer. See Configuration page.
4 Verify that is configured for the tray.
If the...
Service Manual - Page 385
... pickup assembly if the gears are damaged.
1 Disconnect the connector for the HP LaserJet 4250/4350, replace the tray 1 pickup solenoid. The tray 1 pickup assembly is not approximately 160 ohms for the HP LaserJet 4200/4300, or 110 ohms for the tray 1 pickup solenoid from the dc controller PCA (location J79).
2 Measure the resistance between the cable side connectors...
Service Manual - Page 386
...the HP LaserJet 4250/4350, replace the tray 2 pickup solenoid.
The tray 2 pickup solenoid (SL101) is not approximately 160 ohms for the HP LaserJet 4200/4300, or 110 ohms for the tray pickup solenoid ...Replace any worn or deformed rollers.
Dirty, worn, or deformed pick-up roller, cassette separation roller, and cassette feed roller. See Tray 2 lifter-drive assembly and/or Printer...
Service Manual - Page 387
.... The pickup roller is defective. Check the gears, and replace any damaged connectors.
1 Disconnect the connector for the 1,500-sheet feeder. The paper-feeder pickup solenoid is not approximately 160 ohms for the HP LaserJet 4200/4300, or 110 ohms for the HP LaserJet 4250/4350, replace the paperfeeder pickup solenoid. See 500-sheet feed rollers or 1,500-sheet feeder...
Service Manual - Page 467
..., power supplies, and fusers
Item Formatters Formatter, LJ 4200 Formatter, LJ 4200L Formatter, LJ 4300 Formatter, LJ 4250/4350 (base models) Formatter, LJ 4250/4350 (network models) Laser/scanners Laser/scanner, LJ 4200 Laser/scanner, LJ 4250/4350 Laser/scanner, LJ 4300 Power-supply assemblies Power-supply assembly, LJ 4200, 110-127 V Power-supply assembly, LJ 4300, 110-127 V Power...
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