Xerox 3050 Service Manual page 325

CQ 11 The Light Copy (Overall) Probable Cause Corrective Action
1. There is not enough dry ink in the 1. Ensure that there is dry ink in the
developer material, possibly caused by a cartridge. If
a
new dry ink cartridge has
dry ink sensor with a malfunction. This been installed recently, do not install
may cause the developer material to fail another new dry ink cartridge.
prematurely.
No copy defect sample needed.
Definition
Light copies are copies where the line
darkness and/or solid area is lighter than the
line darkness andlor solid area specifications
for the copier.
2. Excessive use of high density documents 2. Discuss the use of high density documents
will deplete the dry ink supply. with the Customer.
3.
The image on the document i s light.
3. Select a darker Copy Contrast setting for
light copy.
4.
An electrostatic voltage is out of
4.
Perform the Electrostatic Series
(ADJ 9.2)
specification. and Image Density (ADJ
9.3
or 9.4).
I
5.
Corotron Dampers are missing or
5.
Ensure Charge and Transfer corotron
defective.
I
dampers are in place. Repair or replace
corotrons a s necessary.
(Continued)
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CQ 1 1 The Light Copy (Overall)