Dell Color Laser Printer 2130cn, Service Manual

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Chapter 1 Troubleshooting
FIP-1.P15 Color registration (Color shift)
- Troubleshooting of a control system
Trouble substance
A yellow or black image printed is not overlapped on a cyan or magenta image correctly.
ESS and possible causative parts
- PWBA MCU (PL8.2.13)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Step Check
Remedy
Yes No
1
Turn OFF/ON the power.
Does the color registration (color shift) appear on the printed
material when printing?
Go to step 2. End of work.
2
Checking the Color registration.
Print the Windows test page.
Is the image printed correctly?
Printing data is
incorrect, then
check the printing
data which the
problem
generated.
Go to step 3.
3
Checking the paper condition
Is the paper dry and recommended paper?
Go to step 5.
Replace the paper
with a new dry and
recommended
one, then go to
step 4.
4
Does the color registration appear on the printed material
when printing?
Go to step 5. End of work.
5
Checking the COVER ASSY FRONT for latching
Open and close the COVER ASSY FRONT.
Does the color registration appear on the printed material
when printing?
Go to step 6. End of work.
6
Checking the printing (Banding Error Check)
Print the [MQ Chart] in [Chart Print] in [Diagnosis] tab of [CE
Diag].
Does the banding error appear on the printed material?
Go to step 7. Go to step 9.
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