Lexmark™ C78x
Quick Reference
5 Place the paper in the tray as shown, print side
down.Do not load bent or wrinkled paper.
Maximum stack height
indicator
3 Squeeze the two front guide levers and slide the
guide to the correct position for the size paper
you are loading.
Loading paper and
specialty media
Loading 500-sheet trays
1 Remove the tray and place it on a flat, level
surface.
2 Squeeze the front guide lever and slide the
6 Squeeze the front guide lever and slide the
guide until it firmly touches the stack of paper.
LT.LG
A5
EX
A4
LT.LG
A5
B5
EX
B5
A4
guide to the front of the tray.
4 Slide the bottom support toward the front of the
tray until it touches the front guide.
3 Squeeze the side guide lever and slide the
guide to the correct position for the size paper
you are loading. Icons along the back of the tray
indicate paper sizes.
4 Flex the sheets back and forth to loosen them,
and then fan them. Do not fold or crease the
paper. Straighten the edges of the stack on a
level surface.
7 Reinstall the tray.
8 Make sure the tray is pushed completely into
the printer.
5 Flex the sheets back and forth to loosen them,
and then fan them.
Loading the 2000-sheet tray
1 Pull open the tray.
2 Squeeze the side guide lever, lift the guide, and
Do not fold or crease the paper. Straighten the
edges of the stack on a level surface.
place it into the appropriate slot for the size
paper you are loading.
6 Place the paper against the back left corner of
the tray, print side down.
Do not load bent or wrinkled print media.
2 Squeeze the paper guide lever and slide the
Note: Do not exceed the maximum stack
guide all the way toward the front of the printer.
height. Overfilling the feeder may
cause jams.
6 Squeeze the paper guide lever and slide the
guide until it lightly touches the side of the stack.
3 Flex the specialty media back and forth to
loosen the stack, and then fan the stack. Do not
fold or crease the media. Straighten the edges
of the stack on a level surface.
7 If you are loading a different type of media than
was previously loaded in the tray, change the
Paper Type setting for that tray on the operator
panel.
7 Close the tray.
Make sure the tray is pushed completely into
the printer. Do not exceed the maximum stack
height. Overfilling the tray may cause paper
jams.
Loading the multipurpose feeder
1 Open the multipurpose feeder.
Setting the paper type and paper
size
4 Arrange the stack of paper or specialty media
correctly for the size, type, and print method you
are using.
1
2
3
4
Press
on the operator panel.
Press
Press
Press
Type.
5 Press
6 Press
until you see
Paper Menu.
until you see
Paper Size/
.
.
until you see
MP Feeder Size/
Type.
7 Press
8 Press
.
9 Press
10 Press
.
until the
appears next to the
media size you loaded.
5 Place the paper or specialty media, print side
until you see
MP Feeder Size/
Type.
up, along the left side of the multipurpose
feeder, and then push it in as far as it will easily
go.
11 Press
12 Press
.
Do not force the media.
13 Press
.
until
type you loaded.
appears next to the media
Printing
After your job prints, it is deleted from printer
memory.
Printing a document
1 Open the file you want to print.
2 From the File menu, select Print.
3 Verify that the correct printer is selected in the
dialog box.
4 Modify the printer settings as appropriate (such
as the pages you want to print or the number of
copies).
Printing from a USB flash memory
device
A USB Direct interface is located on the operator
panel so you can insert a USB flash memory device
and print PDF documents and supported graphic
files. Printing a document from a USB flash memory
device is similar to printing a held job.
Note: Supported graphic types are .gif,
Note: Click Properties or Setup to adjust
printer settings not available from
the first screen, and click OK.
5 Click OK or Print to send the job to the selected
printer.
.jpeg, .jpg, .bmp, .png, .tiff, .tif, .pcx,
and .dcx.
For information regarding tested and approved USB flash
memory devices, see the Lexmark Web site at
www.lexmark.com.
1 Make sure the printer is on and Ready or Busy
Printing confidential and other
held jobs
1 With a document open, click File  Print.
2 Click Properties, Preferences, Options, or
appears.
2 Insert a USB flash memory device into the USB
Direct interface.
Setup.
3 Click Other Options, and then click Print and
interface until the document has
finished printing.
Canceling a print job
If the job you want to cancel is printing, and Busy
appears on the display, press
until
Cancel a
job appears, and then press
. The message
Cancel Pending appears until the job is canceled.
Clearing jams
Understanding jam messages
Message
What to do
200 Paper Jam
Clear Area B and Area T1.
201 Paper Jam
Clear Area D, Area K, and Area L.
202 Paper Jam
Clear Area K and Area L.
230 Paper Jam
Clear Area E and Area J.
24<x> Paper
Jam
Clear Area B, Area C, and Area
T<x>.
250 Paper Jam
Clear Area A and Area D.
Hold.
4 Select your job type (Confidential, Reserve,
Area A
Repeat, or Verify), and then assign a user
name. For a confidential job, also enter a fourdigit PIN.
1 Release the levers on each side of the
multipurpose feeder to lay it flat.
5 Click OK or Print, and then go to the printer to
release the job.
6 Press
until
.
Held jobs appears, and then
3 Press
7 Press
until
appears next to the document
you want to print, and then press
.
8 Press
A screen asking the number of copies to be
printed will appear.
press
until
Confidential jobs
appears, and then press
.
until the
appears next to your user
name, and then press
.
9 Enter your PIN.
10 Press
until
appears next to the job you
want to print, and then press
.
4 To print only one copy, press
, or manually
input the number of copies with the number
pad, then press
.
Note: Do not remove the USB flash
memory device from the USB Direct
2 Press the pick assembly release lever, and
remove all media and jams.
Area D
1 Open the front access door.
2 Hold down the front access door. Remove jams
Area J
1 Remove the duplex tray J.
in the rollers under the image transfer unit.
3 Return the feeder to its working position, and
reload your paper.
2 Remove any jams, and then reinstall the tray.
Area B
1 Open the left access door until it clicks into
place.
Area T1
1 Open tray 1.
2 Remove any jams.
3 Make sure the paper is pushed all the way down
Area K
1 Open the lower right access door.
into the tray, and then close tray 1.
Area E
1 Pull the duplex tray E completely out. Remove
any paper caught in the rollers or inside the
printer.
2 Remove all visible paper. Remove any torn
2 Remove any jams, and then close the door.
paper from the printer.
3 Close the door.
4 Open Tray 1, and make sure the entire paper
Area L
1 Open the upper right access door.
stack is pushed all the way down into the tray.
Area C
1 Open the 500-sheet drawer access door. Hold
the door down while removing jams.
2 Reinstall the duplex mechanism in the printer.
Area T<x>
1 Carefully open trays 2 through 4 (all 500-sheet
trays), and then remove jams.
2 Make sure the entire paper stack is loaded
correctly, and then close the door.
2 Make sure the paper is pushed all the way down
into the tray, and then close trays 2 through 4.
2 Remove jams from the rollers, and then close
the door.
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