Olivetti d-Color MF920, Service Manual

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2-50
Service Manual
Print quality—blank page
8
Clean the printhead.
Does this fix the problem?
Problem resolved. Replace the printhead. See
“Printhead removal” on
page 4-56
.
Step Questions / actions Yes No
1 Is all the packing material for the imaging unit
in question removed? Go to step 2. Remove the packing
material.
2 Print a document that requires all four colors
with just a few characters to verify if one
specific color is a problem. For example, print
the Print Quality Test Pages:
1. Enter Diagnostic mode. (Turn the printer
off, press and hold Left ( ) and
Select ( ), turn the printer on, and then
release the buttons when the installed
memory and processor speed displays.)
2. Select PRINT TESTS , and press
Select ( ).
3. Select Prt Qual Pgs , and press
Select ( ).
Is only one color missing?
Replace the developer unit
for the missing color. Go to step 3.
3
Replace the imaging unit. See “Imaging unit
(IU) removal” on page 4-40 .
Does this fix the problem?
Problem resolved. Go to step 4.
Step Questions / actions Yes No
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