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48 Products for the HP LaserJet 4 Laser Printer
You Are Here: >  Top >  HP >  Laserjet - Monochrome >  LaserJet 4

HP LASERJET 4 TONER CARTRIDGE

HP LJ 4 Toner Cartridge - Prints 6800 Pages (LaserJet 4 )
  OVER 100
IN STOCK NOW

Price:  $35.89
Product Description
Toner Cartridge for HP LaserJet 4 Black&White Laser Printer.

This Toner Cartridge prints 6800 pages with an average 5% page coverage. The amount of pages can vary depending upon the amount of ink printed onto each page. (5% page coverage is a standard HP specification)


This product comes with a 6 month Warranty against any defects (including free replacement). We stand behind our products 100%, as these are not manufactured by HP.

Why toner? Why not call it ink? Regular ink dries quickly, which is why cartridges for inkjet printers do not last long. Laser Printers use toner, which is ink in the form of powder. A sealed toner cartridge can be stored for 2+ years prior to usage.


Product Manuals
When do I Replace a Toner Cartridge in the HP LaserJet 4 Laser Printer?
The toner cartridge installed in your HP LaserJet 4 Laser Printer is a very important consumable component, because it contains the printing mechanism and the main printing resource – toner. The lifespan of this important consumable component depends upon numerous factors, such as the average percentage of page coverage, the chosen image density (1-5, higher numbers=shorter lifespan), the type of used paper, etc… For that reason, the precise built-in system of your laser printer is constantly monitoring the status of the installed toner cartridge. The built-in system will display the following warning message ‘’LOW TONER’’, when it detects that the installed toner cartridge is near the end of its useful life, resp. the toner level is getting low. It is recommended the toner cartridge to be replaced soon after the initial appearance of the warning message, in order to be avoided print quality issues, such as faded prints and/or white streaks. Please be aware that your printer will automatically switch to a non-operational/’’off line’’ mode very soon, if you continue with your print tasks without replacing the nearly empty toner cartridge. This ‘’off line’’ mode will be indicated with the following error message ‘’16 TONER LOW’’. You must install a new toner cartridge immediately after the appearance of the ‘’16 TONER LOW’’ error message on the control display. Please note that the complete replacement procedure is included below. It is always better, if you keep a spare toner cartridge for your HP LaserJet 4 Laser Printer in stock, but please store this consumable component in a normal office environment with regulated temperature and humidity, away from strong light. Please be aware that the lifespan of the spare toner cartridge will be drastically reduced, if you open/remove its protective packaging.
How to Install a Toner Cartridge in the HP LaserJet 4 Laser Printer
Initially, you must open the top cover of your HP LaserJet 4 Laser Printer. Then, you must remove the exhausted toner cartridge by grabbing its handle and carefully pulling towards you. Please avoid shaking the exhausted toner cartridge. After that, you must take the new toner cartridge out of the protective packaging, and then remove the sealing tape by grabbing its tab and pulling it straight out of the left side of the new toner cartridge. Now, you must align the new toner cartridge with the slot, so the stamped arrow is pointing towards the slot, and then completely insert the new consumable component. Finally, you must close the top cover, and then press the [On Line] button of your HP LaserJet 4 Laser Printer.
LASERJET 4 JUMBO YIELD TONER CARTRIDGE
HP LaserJet 4 Jumbo Toner Cartridge - 10,000Pages
 

Price:  $46.89
HP LASERJET 4 TONER CARTRIDGE - HIGH YIELD
HP LaserJet 4 Toner Cartridge (OEM) 8,800 Pages
HP 10 IN STOCK NOW

Price:  $84.89
HP LASERJET 4 TONER CARTRIDGE
HP LaserJet 4 Toner Cartridge (OEM) 6,800 Pages
HP OVER 50
IN STOCK NOW

Price:  $57.89
HP LASERJET 4 TONER FOR PRINTING CHECKS
HP LaserJet 4 MICR Toner Cartridge - 6,800Pages
  OVER 50
IN STOCK NOW

Price:  $61.89
LASERJET 4 FUSER KIT 110V
HP LaserJet 4 Fuser Maintenance Kit (OEM 110V)
HP

Price:  $175.89
HP LASERJET 4 FUSER DELIVERY ROLLER
HP LaserJet 4 Fuser Delivery Roller
 

Price:  $5.89
LASERJET 4 LOWER CASSETTE PICKUP ROLLER
HP LaserJet 4 Lower Cassette Pickup Roller
 

Price:  $5.89
HP LASERJET 4 DELIVERY ROLLER
HP LaserJet 4 Delivery Roller
  39 IN STOCK NOW

Price:  $3.89
HP LASERJET 4 FUSER SENSOR LEVER
HP LaserJet 4 Fuser Sensor Lever
 

Price:  $3.89
HP LASERJET 4 MP TRAY PICKUP ROLLER
HP LaserJet 4 MP Tray Pickup Roller
 

Price:  $5.89
HP LASERJET 4 UPPER CASSETTE PICKUP ROLLER
HP LaserJet 4 Tray 2 Paper Pickup Roller
 

Price:  $16.89
LASERJET 4 LEFT UPPER PRESSURE ROLLER BUSHING
HP LaserJet 4 Left Upper Pressure Roller Bushing
 

Price:  $4.89
HP LASERJET 4 FUSER ASSEMBLY GEAR
HP LaserJet 4 Fuser Drive Gear - 19 Teeth
 

Price:  $5.89
HP LASERJET 4 COOLING FAN
HP LaserJet 4 Cooling Fan
 

Price:  $21.89
HP LASERJET 4 DC CONTROLLER
HP LaserJet 4 DC Controller Board
 

Price:  $23.89
HP LASERJET 4 MP TRAY ASSEMBLY
HP LaserJet 4 MP Tray Assembly
 

Price:  $11.89
LASERJET 4 MAIN MOTOR GEAR
HP LaserJet 4 Main Motor Gear
 

Price:  $10.89
HP LASERJET 4 DRIVE ASSEMBLY
HP LaserJet 4 Drive Assembly
 

Price:  $29.89
HP LASERJET 4 WIRE COVER
HP LaserJet 4 Wire Cover
 

Price:  $5.89
HP LASERJET 4 DELIVERY ROLLER HOLDER
HP LaserJet 4 Delivery Roller Holder
 

Price:  $4.89
HP LASERJET 4 FIXING COUPLER
HP LaserJet 4 Fixing Coupler
 

Price:  $16.89
HP LASERJET 4 TRANSFER ROLLER
HP LaserJet 4 Contact Plate Assembly Transfer Roller
 

Price:  $16.89
HP LASERJET 4 SEPARATION PAD
HP LaserJet 4 MP Tray Separation Pad
 

Price:  $4.89
HP LASERJET 4 RAM MODULE
HP LaserJet 4 RAM Module - 8MB
  10 IN STOCK NOW

Price:  $20.89
HP LASERJET 4 LOWER PRESSURE ROLLER
HP LaserJet 4 Lower Pressure Roller
 

Price:  $24.89
HP LASERJET 4 TIMING BELT FOR DELIVERY
HP LaserJet 4 Timing Belt for Delivery
  49 IN STOCK NOW

Price:  $6.89
HP LASERJET 4 UPPER FUSER ROLLER
HP LaserJet 4 Upper Fuser Roller
  10 IN STOCK NOW

Price:  $16.89
HP LASERJET 4 LOWER DELIVERY ROLLER
HP LaserJet 4 Lower Delivery Roller
  10 IN STOCK NOW

Price:  $16.89
HP LASERJET 4 LASER SCANNER ASSEMBLY
HP LaserJet 4 Laser Scanner Assembly
  10 IN STOCK NOW

Price:  $76.89
LASERJET 4 PAPER CONTOL BOARD
HP LaserJet 4 Paper Control Board
 

Price:  $17.89
HP LASERJET 4 POWER SUPPLY
HP LaserJet 4 Power Supply - 100-120V
  10 IN STOCK NOW

Price:  $49.89
HP LASERJET 4 CONTROL PANEL
HP LaserJet 4 Control Panel - 100-120V
  10 IN STOCK NOW

Price:  $49.89
HP LASERJET 4 FUSER GEAR
HP LaserJet 4 Fuser Gear - 23 Tooth
  10 IN STOCK NOW

Price:  $16.89
HP LASERJET 4 DRIVE GEAR ASSEMBLY
HP LaserJet 4 Drive Gear Assembly - 17/32 Teeth
  10 IN STOCK NOW

Price:  $16.89
HP LASERJET 4 RIGHT FUSER BUSHING
HP LaserJet 4 Right Upper Fuser Roller Bushing
  10 IN STOCK NOW

Price:  $16.89
LASERJET 4 PAPER OUTPUT SENSOR ARM
HP LaserJet 4 Paper Output Sensor Arm (OEM)
HP

Price:  $4.89
LASERJET 4 UPPER FUSER ROLLER GEAR
HP LaserJet 4 Upper Fuser Roller Drive Gear (OEM) 34 Teeth
HP

Price:  $8.89
HP LASERJET 4 LOWER DELIVERY ROLLER
HP LaserJet 4 Lower Delivery Roller
HP

Price:  $6.89
LASERJET 4 FUSER SEPARATION GUIDE
HP LaserJet 4 Fuser Separation Guide (OEM)
HP

Price:  $11.89
LASERJET 4 FUSER CAUTION LABEL
HP LaserJet 4 Fuser Caution Label (OEM)
HP

Price:  $4.89
HP LASERJET 4 RETAINING RING
HP LaserJet 4 Retaining Ring
HP 10 IN STOCK NOW

Price:  $5.89
LASERJET 4 GROUNDING WASHER
HP LaserJet 4 Grounding Washer (OEM)
HP

Price:  $4.89
HP LASERJET 4 ROLLER HOLDER
HP LaserJet 4 Roller Holder (OEM)
HP

Price:  $15.89
HP LASERJET 4 PICKUP ROLLER
HP LaserJet 4 Manual Tray 1 Pickup Roller (OEM)
HP

Price:  $15.89
HP LASERJET 4 PAPER PICKUP ROLLER
HP LaserJet 4 Paper Pickup Roller (OEM)
HP

Price:  $7.89
LASERJET 4 DELIVERY ASSEMBLY REPAIR KIT
HP LaserJet 4 Delivery Assembly Repair Kit (OEM)
HP

Price:  $24.89
LASERJET 4 PAPER FEED KIT
HP LaserJet 4 Paper Feed Kit (OEM)
HP

Price:  $15.89


HP LaserJet 4 Review


Overview:

The HP LaserJet 4 is a group of black and white laser printers that were introduced in the early 1990's, at the very beginning of Hewlett-Packard's run of their LaserJet line. Three different models were available for purchase, that were specifically tailored to personal, business and small business needs, featuring different paper hold capacities and output speeds and were rated for the durability needs of each application. Variants of each available model were designated as Apple Macintosh compatible at a time when a compatibility standard between PC and Mac did not not yet exist.


Pros:

Depending on the model purchased, print speeds could reach a maximum of 17 pages per minute.

The 4, 4M, 4+ and 4M+ became known for their durability due to a solid and sturdy construction during a time when the small laser printer was relatively new to the market and businesses were looking for a means to execute lower-volume print jobs without having to purchase a large, expensive floor unit.

The spread of the LaserJet 4 among small businesses and home offices helped HP to dominate the laser printing market due to a solidly earned reputation for providing reliability and affordability.

The driver for the HP LaserJet 4 is simple and generalized, yet effective, and has been discovered to work with a wide range of compatible printers and serve as a solution to compatibility problems with certain types of older software. The driver comes standard with Windows operating system installations, listed as a generic print driver for legacy devices.

A very popular feature of the 4, 4+ and 4si models, especially among graphic designers, was the straight-through paper feed. Really thick print media could be used without jamming the printer, as the media was manually fed through the front and exited through the back.

Japanese and Chinese models came with increased memory capabilities to accommodate Asian fonts.

Print resolution for most models was generally a maximum of 600 x 600 dots per inch, which at the time was a respectable quality level for text document printing and some minor graphics.

The mechanism had an unusually high duty cycle of 20,000 duty cycles and there are some out there today that are still operating reasonably well after having printed more than a million pages.

Replacement roller kits can still be purchased to solve paper jam issues and help bring new life back to this durable model.


Cons:

These units were known to develop problems in the exit mechanism after a significant amount of use that resulted in frequent accordion-like paper jams, mainly due to the delivery rollers becoming worn and unserviceable.

The 4 and 4M models, which were the original LaserJets introduced in 1992, had a slow speed of 8 pages per minute and the feeders could not be extended, nor was duplex printing possible.

As with a lot of earlier laser printers and copiers, the business-class 4Si was prone to phantom paper jams, confusing a user who was unable to see anything obstructing the mechanism yet receiving a persistent error message. This was due to lint and dust accumulation on the rollers that would eventually make it more difficult for them to turn freely. Paper clearance was also an issue due to this build-up and frequent, persistent paper jams would occur when using certain weights of printable stock.

Another common form of phantom paper jam occurred when feeder solenoids became sticky and paper would be fed into the mechanism later and later until sensors would trick the printer firmware into thinking there was a jam. The telltale symptom of an impending false jam error was a slowly decreasing top margin on printed material.

The smaller and more affordable model 4V, which was designed for graphic artists based on the Canon BX-II engine, were prone to paper jams due to broken roller gear teeth, necessitating replacement of the roller to return the unit to full working order.



 
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