From looking at a combination of both squares it should be relatively easy to detect overlap/gaps between the different colours. These two “rainbow” squares are designed to detect any alignment problems with the cartridges. If however the colours do not match those listed below it seems the toner cartridge has either been installed into the incorrect slot or has a serious internal problem. Some printers have these units as seperate consumables and some have them built into each cartridge. Horizontal bands are generally caused by problems with a drum/photoconductor unit. This section should be used for checking that each of these colours are printing without horizontal bands or other inconsistencies and that each colour is an accurate representation of cyan, magenta, yellow and black.

If you are printing directly from your browser be sure that you are fully zoomed into the image before printing so the horizontal lines run the width of the page. The page can be viewed/printed hereor alternatively click the thumbnail to the left before right clicking and clicking “Save Image As”. So I created my own for us to use in house here at Refresh and thought I would share it with you and explain what each section is designed to check. However it is very rare I fine one that adequately shows everything I like when giving a printer a quick check-up. There are a lot of print quality test pages available and most laser printers have their own one built in as well. Creative Drawing Mats Modelling Clay & Dough Model Making Stationery For Kids.Electronics Electronic Toys Music & Karaoke Remote Control Toys.

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Canon test page