HP designjet l65500 Manuale Di Servizio

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7.
When positioned in front of the printer, use a ladder or steps to rise above the area, apply the screw 
driver onto the wheel just between the encoder and the gear, and apply small hits with the hammer 
in order to screw this metal wheel.
The wheel to rotate is the one which has 4 indentations (and not the one which has more that 
10 - 15 indentations. 
Rotate in the opposite direct to the normal rotation of the drive roller when it advances the 
media (from input to output). 
8.
Rotate the motor coupling with your hand in order to check if any of the slots of the media drive 
roller nut and lids are aligned. 
9.
If there is one combination of slot and lid aligned then bend the lid using a flat screwdriver and ham-
mer so the nut remains locked.