Designjet Roll Cover Sensor Lever (Fix for "Close Roll Cover 2" and "Close Roll Cover 1" messages) designjet510 4200 Scanner driver board

4200 Scanner driver board

so the output is perfect

HP DesignJet t920 36-in postscript eprinter

HP Designjet T790 / T1300 / T2300 Spindle Holder & Rewinder

This part is the Main DC power supply providing various DC voltages for logic

Designjet Roll Cover Sensor Lever (Fix for "Close Roll Cover 2" and "Close Roll Cover 1" messages) designjet510 4200 Scanner driver boardA broken roll cover is an extremely common (and annoying) problem. Save the cost of replacing the entire roll cover, and install this simple fix: the roll cover sensor lever. VIDEO TUTORIAL HERE When the machine asks you to "open roll cover 2," simply push the lever to the "open" position. Then when the machine has loaded the paper, and asks you "close roll cover 2," move the lever to the "closed" position. It's as simple as that. The lever fits both