HP Designjet 4500 - Troubleshooting; Troubleshooting System Error Codes; Performing a Service Test on a Failed Assembly; Solving Print Quality Problems

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Remove the blue plug on the right leg. Locate the pin into the right leg. Remove the top yellow plug on the left leg.
Locate the pin into the interior of the left leg.
Remove the top yellow plug on the right leg. Locate the pin into the interior of the right leg.
You now need to identify the left and right of the printer. This
information is shown on the foam end packs. Also identify
the rear of the printer.
Locate the pin into the left leg.
3736 38 39
4140 42 43