2. A typical amount amount of ink sludge removed from a two year old machine given only moderate use.

All plotters have at least four and sometimes eight printheads firing at once, multiplying the problem.

1. As the plotters printhead fires, some of the ink droplets remain suspended in the air

3. The print carriage determines its position across the plot by counting the number of slits in a photographically etched strip which runs the length of the plotters axis. Ink contamination on the optical strip and the photosensor which reads it causes errors in the number of slits counted. This leads to positional errors of the printhead causing banding, missing or jagged lines on the printout, missing characters and distortion of the drawing.

5. Increased friction in the printhead bearings due to ink sludge buildup will place undue strain on the plotter drive belt causing it to fragment and eventually snap. Replacement of the belt is a major job, requiring a complete stripdown of the plotter to effect repairs.

4.The mist finds its way into the head optical sensor, upsetting the colour balance and causing paper edge detection problems.

2NDWAVE Plotter Repairs offer a maintenance or repair program which will keep your Designjet plotter in optimum condition with minimum downtime. Operating from Belfast and covering all Northern Ireland, we call out on a regular basis- either quarterly or six monthly, depending on the usage of the machine.
All moving parts are thoroughly and gently cleaned with inkjet solvent. Sludge and paper debris is removed and measured amounts of HP lubricant applied to necessary areas. Printheads and head connectors are cleaned. System utilities are run to align and colour balance the heads and the machine is externally cleaned.
If this work is carried out on a regular basis it will at least double the life of any plotter. Dont leave it until repairs are needed or the plotter breaks down in the middle of a vital contract printout - go lift the lid, have a look inside and see if you observe any of the above symptoms.

“The plotter one of the most valuable and vital pieces of equipment
you have -and often one of the most neglected.

When it goes wrong its always at the worst possible time, such as
when you have a time critical contract riding on the production of revised
drawings. You just want it fixed - and quickly.”

Why do I need a regular service program for my plotter?

Modern Designjet plotters are high speed high quality large format inkjet printers. In order to achieve high quality at high speed, each machine has a print carriage operating four or eight printheads, sweeping across an A0 or A1 sheet. Each head has 200 microscopic nozzles firing ink droplets so fine that it would take over two million of them to fill the volume of a single raindrop.
Because the droplets are so fine, they form an aerosol mist, most of which is sprayed on to the paper. Some of the mist however remains suspended in the air above the paper and as the carriage sweeps past, it drifts and is deposited in a thin layer through the plotter.
Over a period of months or years this mist works its way into every moving part of the plotter. It forms a sticky deposit which has the appearance and consistency of boot polish and gradually begins to have a detrimental impact on the performance of the plotter.

HP Designjet plotter repairs > Belfast > Northern ireland

Protect your investment and safeguard your drawing production capability - Set up a regular maintenance system now. We cover all of Northern Ireland and can schedule regular callouts so you can forget about the Designjet plotter and concentrate on your business.

HP Designjet plotter repairs > Belfast > Northern ireland

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280 Comber Road, Lisburn, Northern Ireland
207 Dunluce Avenue, Lisburn Road, Northern Ireland
Tel. 028 92639414
Mob. 07740423721