HP LaserJet III si Toner Cartridges

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Printer Cartridge 

for the HP LaserJet III si Toner Cartridges

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  1. Genuine Black Lexmark 140191A Toner Cartridge (00140191A Laser Printer Cartridge)
        Lowest online price guaranteed

        Lowest online price guaranteed

        If within 7 days of buying a product from us, you find the same product cheaper at any other UK online store, we will refund you with 100% of the difference.

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    19.95d per page

    Price per page

    This figure is based on manufacturer quoted values and is for comparison purposes only.

    It is derived from testing using the international ISO standard for printing (ISO/IEC 24711 and 24712). For most cartridges this means 5% coverage printed onto plain A4 paper.

       2000 pages

    Free next-day delivery

    In stock - order before 5:15pm to receive tomorrow

    Receive on:
    Tuesday 23rd of July

    Royal Mail 1st class - 98% arrive next working day.

    Option 2: Guaranteed next-day

    Courier signed-for. Costs 50 QAR per order.

    Option 3: Guaranteed pre-12 next-day

    Courier signed-for. Costs 100 QAR per order.

    For more info, click the "Delivery info" link at the bottom of the page

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HP LaserJet III si Toner Cartridges Printer Review

Expert review of the HP LaserJet III si printer 04 March 2013

Our Verdict:

Offered in 1991, the HP LaserJet III Si is one of the first laser printers designed for office environments. This unit has a microfine toner and has resolution enhancement technology. It is equipped with PCL5 and offers a 300 dpi output. The HP LaserJet III Si mono laser printer has a 1 MB memory but it can be expanded to 16 MB. This old unit has already been discontinued.


The HP LaserJet III Si printer weighs 123 lbs and it can handle 1,000 sheets at a time. It has a monthly duty cycle of 50,000 pages for paper and 30,000 for envelopes. The HP LaserJet III Si has a parallel port. Print speed can go as fast as 17 ppm and 7 ppm on duplex. The HP LaserJet III Si laser printer is easy to operate and features a small control panel.


Users can expect good quality texts and images from the reliable HP LaserJet III Si. This consistent printer comes with a duplexer for double-sided printing, which helps reduce paper waste in the office. This LaserJet III Si black and white printer is compatible with both Mac and Windows computers.


The trouble with the HP III Si laser printer is its age. HP LaserJet III Si toners are no longer made by Hewlett Packard so this device now requires a Lexmark printer cartridge. This old unit is no longer available in the local market and has been replaced by newer models that have faster print speeds and higher resolution output. The HP LaserJet III Si does not offer standard networking connectivity or a modern USB port.