Printing And Print Quality Problems; Troubleshooting Print Quality Problems - Tektronix Phaser 740 Service Manual

Printing and print quality problems

Required tools
#1 Phillips screwdriver
Volt-ohm-meter (VOM)
The following flow chart represent an effective, systematic means of troubleshooting
print quality. Following the chart are examples of print quality defects and probable
solutions.
Start
Does the
front panel display
a message to
replace a supply
item?
No
Print the
Diagnostic
Test Pages
(DTP)
Is the print
quality problem
on only one solid
color page?
No
Is the
customer using
a media type that
is NOT on the
supported
list?
No
Is the printed
image offsetting
or are the prints
smudged?
No
Is the
print quality
problem repeated
more than once
on each
page?
No

Troubleshooting print quality problems

54
Phaser 740 and 750 Color Printers
Yes
Replace the
indicated
supply item
Yes
Replace that
color's toner
cartridge
Yes
Try a
supported
media
Yes
Run the Clean
for Smudges
procedure
Use the
following
Yes
troubleshooting
images to
determine
which supply
item to replace
Conductive grease
Ruler
Is the
entire image too
light or too dark?
No
Is the
environment outside
the printer's
specifications?
No
Based on
TEKSMART, is the
print quality problem
a documented printer
limitation or unsup-
portable customer
expectation?
No
Print the
Supplies
Page
Does the
imaging unit or the
fuser have less than
20% life
remaining?
No
Print quality is
acceptable.
Stop
Perform the
Yes
Calibrate for
Paper
adjustment
Perform the
Calibrate
Colors
procedure
Yes Move the
printer to an
operating
environment
that is within
specifications
Help establish
Yes
customer
expectations
or escalate
Yes
Swap that
supply item