HP LaserJet M4345 User Manual

3.If the jammed media is inside the device, carefully  pull the jammed media out of the device.
4.If the jammed media is inside the 3-bin mailbox or the stapler/stacker, carefully pull the jammed
media up and out of the device.
5.If you are using a 3-bin mailbox, the jammed media might be completely inside the device.
Open the jam-access cover that is on the top of the 3-bin mailbox, and carefully pull the jammed
media out of the mailbox.
6.Reinstall the output-bin assembly, the 3-bin mailbox, or the...

2.If you are using the standard output bin, grasp  the handle at the bottom of the output-bin
assembly, and pull it out and then up to remove it.
3. If you are using a 3-bin mailbox or a stapler/stacker, remove any media that is stacked, and
then press and hold the release button  on the top of the device. Pull the device away from the
device.
4. Remove the optional duplexer or the duplex cover.
5.If you cannot see the jammed media  inside the fuser, skip to step 9.
6. If you can see either the leading...

7.If you can see the jammed media, but neither the leading edge nor the trailing edge is visible,
gently pull on the sides of the sheet of  media until one edge becomes free. Then carefully pull
the jammed media out of the fuser.
8. If the media tears as you are removing it, turn the green dial on the fuser, and then carefully pull
out the jammed media. Go to step 13.
9.To remove the fuser-entrance guide, push inward at the left edge to free the left-side alignment
pin. Then lift up slightly on the...

12.To reinstall the fuser-entrance guide, first insert the  right-side mounting pin into the hole on the
right side, and then lower the left-side mounting pin into the hole on the left side.
13. Reinstall the duplexer or the duplex cover.
14.Reinstall the output-bin assembly, the 3-bin mailbox,  or the stapler/stacker. Insert the device at
an angle, and then slide it into the device.
15. If a jam message persists, jammed media is still in the device. Look for the jam in another
location.
Clear jams from...

2.Pull up on the document-feeder-cover -release lever, and open the document feeder cover.
Carefully remove any jammed media.
3. Lift the green jam lever on the document guide, and then check for jammed media. Carefully
remove any jammed media.
4.Close the document feeder cover.
5.If a jam message persists, jammed media is still  in the device. Look for the jam in another
location.
Solve repeated jams
SituationSolution
General repeated jam problems 1.Make sure that the media is loaded correctly in the...

SituationSolution
6.The device might be dirty. Clean the device as described in Clean the device .
7. Check that all damaged or jammed media is removed from device.
Repeated jams in the document feeder 1.The document feeder might be dirty. Clean the document feeder as
described in Clean the document feeder .
2. Make sure that the media is loaded squarely and that the media-width
guides are adjusted to the sides of the media stack.
3. Make sure that no more than 50sheets of 75g/m
2 (20lb) bond paper are...

Clear staple jams
The stapler is designed to be free of staple jams. To reduce the risk of staple jams, make sure that
you observe the following media limits:
● Plain media: 30 sheets of 75 g/m
2 (20 lb) media
Glossy media: 20 sheets
Thick media (128-199 g/m
2 [34-53 lb]): Stack height must not exceed 3mm (0.27 inches)
Occasionally, staples become jammed in the optional stapler/stacker. If jobs are not being stapled
correctly or are not being stapled at all, use the following procedure to clear staple...

5.Lift up on the small lever at the back of the staple cartridge.
6.Remove the staples that protrude from the staple cartridge.
7.Close the lever at the back of the staple cartridge. Be sure that it snaps into place.
8.Reinsert the staple cartridge into the staple-cartridge  holder, and push down on the green
handle until it snaps into place.
9. Close the staple-cartridge cover, and slide the stapler/stacker into the device.
206 Chapter 11   Problem solving ENWW
 

Solve print-quality problems
This section helps you define print-quality problems and what to do to correct them. Often print-
quality problems can be handled easily by making sure that the device is correctly maintained, using
print media that meets HP specifications, or running a cleaning page.
Print-quality problems associated with media
Some print-quality problems arise from the use of inappropriate media.
●Use media that meets HP specifications. See 
Select print media
.
● The surface of the media...

See Light print (partial
page)
See Light print (entire
page)
See SpecksSee SpecksSee Dropouts
See DropoutsSee Dropouts
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See LinesSee Gray backgroundSee Toner smear
See Loose tonerSee Repeating defects
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