Panasonic 8415 Maintenance Manual

Settings and Printing
MaintenanceSpecifications31
nExecuting the Test Print
It enables you to print each color (Cyan, Magenta, Yellow and Black) halftone page to check the print
quality. 
1Press the MENU/EXITbutton on the printer panel.
2Press the H/ENTERbutton.
3Press the F F
/CONTINUEbutton twice.
The Test Print menu will appear.
4Press the H/ENTERbutton to print each color page.
nPrinting the test pattern for Adjustment to Media setting
When using media types other than those recommended, you may need...

Settings and Printing
MaintenanceSpecifications32
nPrinter Components
You may need to replace the following components if they have expired. For product numbers of
supplies, refer to the supplement for supplies provided.
Troubleshooting
Charge unit
Toner cartridges
Color imaging unit
Fuser unitOil supply roll
Fuser unit
Cleaning pad
Transfer unit 

Settings and Printing
MaintenanceSpecifications33
READY indicator is blinking.
The toner is almost depleted.Read the printer panel
message to determine the
printer status.
Corrective ActionTrouble
ERROR indicator is blinking.Wait for the job to be
completed or cancel the job. The printer is receiving,
processing or printing job.Possible Cause
Exit the Menu mode by
pressing the MENU/EXIT
button.
Correct the condition displayed
on the printer panel (e.g., close
the door or clear the media
jam). Turn the...

Settings and Printing
MaintenanceSpecifications34
Corrective ActionTroublePossible Cause
The toner cartridge is almost
depleted and is not properly
applying toner.Replace the color toner
cartridge. The toner is almost depleted.
On the Test Print, a single
color has a sharp, dark or light
vertical streak.Replace the color toner
cartridge soon (depending on
the complexity of your prints,
you can continue to print up to
100 more pages). The color density is set
incorrectly in the printer
panel. A single...

Settings and Printing
MaintenanceSpecifications35
Corrective ActionTroublePossible Cause
Run 20-30 prints. The
impression will disappear
with continued time and use. On the Test Print, a single
color shows a light, repeating
horizontal line.The roller in the toner cartridge
has a slight impression after a
long period of storage.
The photosensitive belt inside
the color imaging unit is
scratched.Replace the color imaging unit. The color imaging unit has
reached the end of its useful
life.
On the Test...

Settings and Printing
MaintenanceSpecifications36
Corrective ActionTroublePossible Cause
Fingerprint(s) on the
underside belt or
photosensitive belt (inside) of
the color imaging unit.Print several pages until the
spots fade. Replace the color imaging unit.
The color imaging unit is
damaged. On the Test Print, a single
white spot appears in
approximately the same
vertical place on the page.
On the Test Print, large light
spot(s) appear randomly.
Troubleshooting
The fuser unit is damaged.Replace the fuser...

Settings and Printing
MaintenanceSpecifications37
Corrective ActionTroublePossible Cause
Replace the fuser unit
(depending on your quality
needs, you can continue to
print until the dark vertical lines
appear).Print 5-10 pages of blank
pages to clean the roller.
If you still see the problem:
BReplace the oil supply roll.
If you still see the problem:
BReplace the fuser unit.
Replace the oil supply roll. The fuser unit is near the end
of its useful life.
The oil supply roll has
reached the end of its...

Settings and Printing
MaintenanceSpecifications38
Corrective ActionTroublePossible Cause
Reinsert the color imaging unit
to correct the contact for the
charge unit. The entire page prints in black,
including the borders.Bad electrical contact for the
charge unit.
The charge unit is broken.
The transfer unit is worn out.
Replace the transfer unit. Toner spots appear on the
back of the media.
Dark and wavy vertical
streaks appear in all colors.Remove and reinsert the
charge unit.
Replace the charge unit....

Settings and Printing 
Maintenance  Specifications39
Corrective ActionTroublePossible Cause
Solid color print for green, red
T
roubleshooting
Use the Recommended media
*
Service Error is displayed on
* 

Settings and Printing
MaintenanceSpecifications40
Troubleshooting
nEntire image samples
*
1*2
NOTE
BThese image samples may differ depending on the media or circumstances (temperature and
humidity) using the printer.
Image Quality (at Solid Image Pattern)
Normal Image SamplePoor Image Sample
Image Quality (at Halftone Image Pattern)
Normal Image SamplePoor Image Sample
Green
Blue
Red
Black
Magenta
Cyan