HP LaserJet 4250 Support Question
HP LaserJet 4250 Support Question
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Question posted by deebKeyw on May 8th, 2014
How To Replace Tray1 Paper Feed Assy On Hp 4250
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Related HP LaserJet 4250 Manual Pages
HP LaserJet Printer Family - Print Media Specification Guide - Page 5
Contents
1 Overview
How HP LaserJet printers work 2 Alternative sources of information 2
2 Guidelines for using media
Using print media 4 Preparing print media for use 4 Using paper 4 Using envelopes 11 Using labels 14 Using overhead transparencies 16 Printing on both sides of the paper 17 Preparing laser-printed mailings 17
Shipping and storing print media 19 Environmental ...
HP LaserJet Printer Family - Print Media Specification Guide - Page 13
... in your HP LaserJet printer for printing and copying, and can vary depending on the materials, processes, and controls that results from nesting.
However, no standards exist for using a different paper type or brand. In addition, do not print closer than 163 g/m2 in photocopiers and laser printers.
Heavy paper, cover paper, and cardstock
Heavy paper generally refers...
HP LaserJet Printer Family - Print Media Specification Guide - Page 14
... HP LaserJet printer. q When the form is preprinted, be properly designed and manufactured to avoid feed or contamination problems and to avoid wear on page 9) and that undergoes converting processes before it is used in your needs. However, such media must be used in a laser printer. Perforations: A series of acceptable performance.
A recycled sheet of recycled copier papers...
HP LaserJet Printer Family - Print Media Specification Guide - Page 23
... duplexing on the HP color LaserJet 8500 printer, 90 g/m2 to 105 g/m2 [24 lb to the surface of the paper.
Many aftermarket toners do not comply with the manufacturer's original specifications. Using the paper cassette trays can damage your printer model or duplex accessory for mailings:
1 Ensure that are fed again into the paper, laser printers use the...
HP LaserJet Printer Family - Print Media Specification Guide - Page 29
... user documentation for your
printer for your HP LaserJet printer user guide.
q Manually feed the paper into the printer.
Paper is too stiff or heavy. q Make sure that the paper meets the specifications that are appropriate for more information, see the documentation that are listed in the unit with the paper sensors.
q Replace the paper in your printer. If the talc...
HP LaserJet Printer Family - Print Media Specification Guide - Page 47
... For best results, use a smooth paper. Paper for laser printers should not discolor, melt, offset, release undesirable emissions, or break down in paper. For sharp resolution or detail, use smooth paper.
Equivalent values for the specified time period.
and
• 205° C (401° F) for 0.1 second (0.4 second for HP color LaserJet printers) for smoothness that has embossed or...
HP LaserJet Printer Family - Print Media Specification Guide - Page 52
...
groundwood, defined 41 Gurley units 33
H
heat, fuser operations of 2 temperature specifications 10
heavy paper HP 36 standard sizes 32 troubleshooting 23 using 7
high gloss laser paper, hp 36 hollow images, troubleshooting 28 HP color LaserJet printers
bond paper, using 4 colored paper, using 8 furnish defined 41 specifications 10 fuser buildup on 6 operations of 2 temperature specifications 10...
HP LaserJet 4250/4350 Series - User Guide - Page 125
..., HP recommends that you use the cleaning page every time you replace the print cartridge or on your print jobs. If you have an optional duplexer installed, you can set up. Using the green handle, lift the paper-access plate and wipe off any dust or dirt off with a sheet of the printer. 3.
Accumulation...
HP LaserJet 4250/4350 Series - User Guide - Page 144
... a complete list of supported media, see Supported sizes of paper.
The paper has been stored improperly. The paper varies from side to side. Turn the paper over . Turn the paper over .
Turn the paper over. Do not use letterhead paper that is made for laser printers.
Use high-quality paper that is printed with this fusing temperature (200°C or...
Service Manual - Page 10
... ...169 Screws used in the printer 170 Parts-removal tree ...171 Printer input tray, and cabinet wheel locks 172 Dc controller PCA diagram 173
User-replaceable parts ...175 Print cartridge ...175...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...
Service Manual - Page 83
... to use: REGULAR: The internal Courier font available on the HP LaserJet 4 Series printers DARK: The internal Courier font that is not loaded in the printer (or vice versa). Item
DEFAULT CUSTOM PAPER SIZE PAPER DESTINATION
DUPLEX DUPLEX BINDING (HP LaserJet 4250/4350 only) OVERRIDE A4/LETTER MANUAL FEED
EDGE-TO-EDGE OVERRIDE COURIER FONT
WIDE A4
Values EXECUTIVE (JIS...
Service Manual - Page 188
...)
J92 2-Pin connector; Main motor
J86 7-Pin connector; print cartridge motor (HP LJ 4250/4300/4350 only)
J99 6-Pin connector; Tray 1 paper sensor, Narrow-media sensor, Top-of-page sensor, Paper-feed sensor
174
6 Removing and replacing parts Tray 2 pickup solenoid
J79 2-Pin connector; Laser/scanner PCA
J97 2-Pin connector; Print cartridge memory-chip sensor
J85 3-Pin...
Service Manual - Page 275
...the wire guides to gain access to the paper-feed assembly wire-harness.
3 Feed the paper-feed assembly wire-harness through the hole in the chassis (callout 1). 4 Remove three screws (callout 2).
1
2
Figure 6-83 Paper-feed assembly 5 Lift the paper-feed assembly out of the printer. See Tray 1. ● Tray 1 pickup assembly.
Paper-feed assembly
1 Remove the following assemblies: ● Tray...
Service Manual - Page 276
... the paper-feed assembly sensor flag
262
6 Removing and replacing parts Reinstallation notes for the paper-feed assembly
Make sure that the clutch tab on the right side of the paper-feed assembly...right side (HP LaserJet 4250/4300/4350 Series printers only)) to the chassis with the flag spring positioned in the hole in the upright position, can operate. Fasten the paper-feed assembly to ...
Service Manual - Page 354
...HP warranty.
NOTE Printer repairs that in the tray. See Dc controller PCA.
340
7 Troubleshooting Table 7-6 Alphabetical printer messages (continued)
Control panel message
Description
MANUALLY FEED
To continue press
Recommended action
configuration page (see if the printer tray setting differs from the paper... replaced by the Ready
print cartridge that has the
(If a new HP ...
Service Manual - Page 364
... (PS103) is operating correctly and that the sensor flag can freely move freely. (See Printer switches and sensors.)
feed sensor (PS102), the top-of -page sensor (PS103). PS103, and PS 108) and verify that the
See Paper-feed assembly. Replace the paper-feed assembly.
See Dc controller PCA.
9 If this sensor fails, the lifter motor does
5
not...
Service Manual - Page 387
... HP LaserJet 4250/4350, replace the paperfeeder pickup solenoid. Replace the dc controller PCA. See 500-sheet feed rollers or 1,500-sheet feeder feed rollers, or 1,500-sheet feeder separation roller. See 500-sheet feeder switches, sensors, solenoids, and PCAs or 1,500-sheet feeder switches, sensors, solenoids, and PCAs. Paper-path troubleshooting
373
Inspect the connector to the printer...
Service Manual - Page 388
... cartridge.
Replace the reversing motor. The shutter in the paper path
NOTE Avoid using short-grain paper. If the duplexing-unit feed belt is defective. If it is defective.
See Dc controller PCA.
374
7 Troubleshooting
Replace the duplexer.
The drive gears are worn or damaged. The dc controller PCA is cut or sagged. See Printer switches...
Service Manual - Page 405
... store it does not meet specifications or is not stored properly.
1 Turn over the stack of media in the tray.
Replace the laser/scanner. See Print-cartridge motor (HP LaserJet 4250/4300/4350 series printer only). Possible cause
Recommended action(s)
The media does not meet specifications, and advise the customer to use the HPrecommended media and...
Service Manual - Page 481
...
Cable, laser (LJ 4250/4350)
13
Screw, s, m3x8
14
E-ring
15
Screw, rs, m3x10
16
Solenoid, tray 2 pickup (LJ 4200/4300)
16
Solenoid, tray 2 pickup (LJ 4250/4350)
17
Pickup-sensor cable assembly (LJ4200/4300)
17
Pickup-sensor cable assembly (LJ4250/4350)
18
Roller, paper-pickup
19
Roller, paper-feed
20
Holder, paper sensing
21
Flag, paper sensing...
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