<t>In order to check your Ricoh's (SG3110DN for reference) ink levels in percentage. Hold the up and down arrow button together for 5 seconds then release. Then, press the right arrow (#Enter) button. You should be able to see "Service Menu". Press the down arrow button and you'll see "Engine ...

The 129 ml will last you a long time. Do you use a Ricoh? (Maybe an SG3110DN)

<t>Hi,<br/>
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I'm Blithe and I am an owner of a phone case and tablet printing business in Auckland, New Zealand - Case Impress. I aim to offer solutions and advices to individuals and businesses and answer any questions with regards to sublimation heat presses (both 2D and 3D), printers, phone ...