Panasonic 8415 Setup Guide

21
This feature compensates for the changes in density
that can occur as environmental conditions change,
toner cartridges or the color imaging unit age.
To adjust the density, print a color calibration page
and adjust the color density.
For the detailed information with color images, see
the “Settings and Printing” of the Operating
Instructions installed on your computer.
Press the MENU/EXITbutton to enter the
menu mode.
Display the Bias Adjustment menu by
pressing the
F F
/CONTINUEand the
H H...

22
Periodic cleaning of the printer is recommended.
The frequency of cleaning is dependent upon the
environment in which the printer is used. You should
clean the printer:
BAt least once a month.
BWhen the printer experiences frequent media
jams.
BWhen print quality has deteriorated.
For the detailed information, refer to “Care and
Maintenance” of the Operating Instructions installed
on your computer.
nJam at B, C, G, H:
To clear a jam, see the instructions on this
Reference Guide and “Care and...

23
Open the front door and check whether the
media is jammed under the color imaging unit.
If the media jam is not found, go to next step.
BIf the media is jammed, remove it by
following Method Bof Jam at B.
To clear error message “Jam at C”, slide out
the fuser unit, then slide it back to the printer.
#Turn the green thumbscrew
counterclockwise.
$Holding the green tab, slide the fuser unit
out until it stops
.
%Press the green lever.
Hold the fuser unit (see above) and slide it out
and close the front...

24
Replace the oil supply roll into the fuser unit.
Press down firmly on the oil supply roll to snap
both sides into place.
Open the front door and slide the fuser unit
back into the printer (Refer to the illustration
on step 2).
Turn the small green thumbscrew clockwise to
lock the fuser unit.
Close the front door.
Note:
·The error message “Jam at C” is cleared by sliding
out the fuser unit, then sliding it back to the printer.
#Open the access door (above the plastic
output tray). 
$Remove the jammed...

25
nPrinting a Test Print
Executing Test Print enables you to print the color
halftone pages (Cyan, Magenta, Yellow and Black)
to check the print quality. 
1. Press the MENU/EXITbutton on the printer
panel.
2. Press theH H
/ENTERbutton.
3. Press the F F
/CONTINUEbutton twice.
The Test Print menu will appear.
4. Press the H H
/ENTERbutton to print each color
page.
nReplacing Printer Components
(see page 28)
It may need to replace the following components to
solve the trouble.
Troubleshooting
For the...

26
Corrective ActionTroublePossible Cause
Store media in the original, dust-
free package in the same
environmental conditions as the
printer. Paper doesn’t match the
environmental conditions, or it
has too much moisture.Try fresh paper, or another type of
paper. On the Test Print, halftone area
has areas of weak color.
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,...

27
Corrective ActionTroublePossible Cause
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. A piece of the printed image is
missing and reappears out of
place, approximately 129 mm (5²)
down the page.The fuser unit’s internal roller is
not being consistently oiled.
or
The fuser unit’s internal roller is
contaminated with toner
particles.
Replace the oil supply roll.
The oil supply roll...

28
*1Average life is based on an average of 5%
coverage of the printable area and standard
density for any one color (refer to Example A:
Monochrome 5% coverage). For the components
below, the average life may decrease depending
on the percentage of colors and coverage used.
For the detailed information of color imaging unit,
fuser unit and cleaning pad, see page 29.
BColor imaging unit
BFuser unit
BToner cartridge
BCleaning pad
*
2If you print with high density when “Low 
Toner” is displayed, you may...

29
The average life of printer components (color imaging unit, fuser unitand cleaning pad) varies
depending on the percentage of colors and coverage used. When printing at full color with high
percentage of coverage, the average life of these components will be decreased.
Average Life of Printer Components
Print patternCoverage of the printable area (%)
Monochrome 5%
coverage (Example A)
CyanMagenta
Yellow Black
Life (pages)
Color imaging unit Fuser unit
Cleaning pad
15,000 60,000 60,000 5 0 0 0
5 5 5 5...

30
nMedia sizes/Margins and print
area
Refer to “Specifications” of the Operating
Instructions installed on your computer.
nTypes of Paper to avoid
BExtremely smooth or shiny paper or paper that is
highly textured
BLetterhead imprinted with low temperature or
thermography. These materials may transfer onto
the fusing roller and cause damage. Any pre-
printed paper should use inks compatible with
200°C (392°F) for 0.1 second.
BDamaged or wrinkled paper, or paper with
irregularities such as tabs, staples,...