Missing color
Table 7-32. Causes for a missing color
Causes for a missing color
Cause
Solution
Poor contact in the developing bias contacts of
the high-voltage PCB and the print cartridge.
Clean the contacts. If they are still dirty after
cleaning, or if they are damaged, replace the
print cartridge or the high-voltage contacts.
Replace the high-voltage PCB.
Primary charging roller is defective. Replace the print cartridge for the missing color.
Laser/scanner unit is defective. Replace the laser/scanner for the missing color.
Calibrate the printer after replacing the laser/
scanner. See
Calibrate now.
High-voltage PCB is defective. Replace the high-voltage PCB.
DC controller PCB is defective. Replace the DC controller PCB. Calibrate the
printer after replacing the DC controller. See
Calibrate now.
Blank spots
Table 7-33. Causes for blank spots
Causes for blank spots
Cause
Solution
High-voltage PCB is defective. Replace the high-voltage PCB.
DC controller PCB is defective. Replace the DC controller PCB. Calibrate the
printer after replacing the DC controller. See
Calibrate now.
Poor fusing
Table 7-34. Causes for poor fusing
Causes for poor fusing
Cause Solution
Media is not within specifications. For example,
media that is too thick causes poor fusing.
Use media that meets specifications. See
“Supported media weights and sizes” on page 24.
ENWW Image defects 363
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