Suitable paper rolls for the Sharp CE-150 printer

It’s not that easy as it may sound to find paper rolls for a 30 years old printer, the Sharp CE-150. The printer is used in combination with a Sharp PC-1500/1500A pocket computer.

I’ve looked at my small amount of paper rolls, the leftovers I’ve found in a box on the attic. Interestingly they were differing in size (can’t remember why):

Sharp CE-150 Paper Rolls

(Left to Right) Core Diameter Tube Diameter Outer Diameter Width
Roll 1 7.7 mm 14.7 mm 28.5 mm 57.4 mm
Roll 2 8.3 mm 13.0 mm 29.3 mm 57.6 mm
Roll 3 11.1 mm 17.0 mm 33.0 mm 58.7 mm
Roll 4 9.7 mm - 19.7 mm 58.3

Their width and outer diameters did not differ significantly, but the core diameters did. Paper rolls with core diameters of 7-9 mm are hard to get, the rolls sold today mostly have a diameter of 12 mm. I’ve successfully tested thermal (yes: thermal) paper rolls with this diameter in the CE-150, and these are really cheap to get (e.g. on eBay Germany). The ink doesn’t run, but there might be paper rolls with different coatings. I did not check that.

Maybe as a warning: Thermal papers mostly contain Bisphenol A (BPA), a substance that exhibits hormone-like properties!

The approximate dimensions you should look for are:
Width: 57 mm; Inner / outer diameter: 12 / 30 mm; Length: 10 m

Sharp CE-150 Still available paper roll (dimension)

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