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Chapter 3 Image Quality Troubleshooting
13
Checking the PHD ASSY for connection.
Remove the PHD ASSY.
Are five HV terminals on the PHD ASSY, and five springs on
the frame (PL4.1.10 and PL4.1.15 to 18) dirty and/or
deformed?
Clean and/or
replace the PHD
ASSY or
SPRING(s),then
go to step 14.
Go to step 14.
14
Checking after resetting the PHD ASSY.
Reseat the PHD ASSY.
Is the image printed correctly?
End of work. Go to step 15.
15
Checking the laser beam windows of the ROS ASSY.
Are the laser beam windows on the ROS ASSY clean?
Go to step 16.
Clean the
window(s) with
soft cloth or cotton
swab gently.
16
Checking the laser beam path.
Are there any foreign substances between the ROS ASSY
and PHD ASSY?
Remove the
foreign
substances.
Go to step 17.
Step Check
Remedy
Yes No
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