Tektronix Phaser 740 Service Manual page 67

Cut about 3 inches off the
length of a piece of paper.
Place it in the MPT and
select the MPT as the
default tray. Request a
Diagnostic Test Page. The
printer will display a jam
message. Open the left
Make an side door; use the blue
unfused handles to pull out the
Diagnostic Test paper feeder. Being careful
Page print not to get toner on
yourself, carefully slide the
paper out of the printer.
Slide the paper feeder back
into the printer and close
the door.
Has the print
Yes
quality problem
disappeared on the
unfused print?
No
Reseat the
transfer kit and
make a normal
Diagnostic Test
Page print
Is the
Diagnostic Test
Page print quality
OK?
No
Is the
Yes
print quality
problem dark streaks
down the length of
the page?
No
Replace the
imaging unit
Replace the
fuser
Yes
Clean or
replace the
main charge
grid
3102-46
Service Guide
55