Memjet Quadient Rena MACH 6, User Manual

Page: 103 / 132

SECTION 5
TROUBLESHOOTING
99
Memjet
®
Printhead
CONDITION PROBLEM / CAUSE SOLUTION
Missing parts of letters
or text. Air or debris blocking Nozzles.
Printhead damage or end of nozzle
life.
Clean Printhead using “ Normal Clean
Printhead", found on the Printer
Touchscreen or in Printer Toolbox .
If problem persists run “ Full Clean
Printhead ”.
Manually try to rehydrate Printhead by
wiping with lint-free cloth, that has
been wet with distilled water.
Replace Printhead.
Misdirected nozzles (fuzzy
print) Print Height too high.
Debris on Printhead.
Printhead damage or end of nozzle
life.
Reduce “ Print Height ” value in Media
Setup.
Run “ Normal Clean Printhead".
If problem persists run “ Full Clean
Printhead ”.
Replace Printhead.
Ink mixing – Mixed or
muddy colors. Wiper Roller is too dry and may need
to be conditioned (hydrated).
Wiper Roller is too wet
(oversaturated) or is not turning.
Using “Clean Printhead” features too
often can over-saturate wiper roller.
Print 5 or more “Print Color Bars” test
pages to clear color mixing.
If problem returns after printhead
maintenance occurs than the Wiper
Roller may be oversaturated (run
Wiper Transfer ) or too dry (run
Condition Wiper ) or the Service
Station may need maintenance.
No print or crisp, 20 mm
wide, blocks of missing
print. Printhead failure or poor electrical
connection to Printhead.
Remove Printhead, check contacts and
re-install Printhead.
Replace Printhead.
Color change in an area of
print. Time between Mid Job Servicing
intervals may be too long.
Nozzles from one area of a color
channel not firing due to dehydration
or blockage (air, debris, etc.).
If Mid Job Service or temporarily fixes
issue then you need to reduce Mid Job
Service value so it occurs more often.
Check for air/air-bubbles in ink lines.
Circulate ink.
Perform “
Full Clean Printhead ”.
Replace Printhead.
WARNING!
DO NOT REMOVE SIDE COVERS OF PRINTER!
HIGH VOLTAGES PRESENT BEHIND COVERS!