You are troubleshooting a problem with the 3000-sheet stacker on the LaserJet 9000.
There are three lights mounted on the stacker PCB. The red light flashes 7 times, delays 2 seconds,
then repeats the blink pattern. Where do you find the information to interpret this blink pattern?
Select TWO.

A.
event log

B.
service manual

C.
control panel HELP

D.
stacker PCB cover label