Issue Cause Solution
The correct paper typ e is not
specified in the software or
printer driver.
Verify th at the correct paper
type is selected in the software
or printer dri ver.
The input tray is ove rfilled. Remove excess paper from t he
input tray. Make sure the paper
does not excee
d the maximum
stack height indicator mark in
Trays 2, 3, or 4. Do not exceed
the m aximum s
tack height for
Tray 1.
Paper in another input tray
is the same size as the
transparencies, and the printer
is defaulting to the other tray.
Make sure that the input tray
containing the transparencies or
glossy pap er is selected in the
software application or printer
driver. Use the p rinte r control
panel to configure the tray to the
paper type loaded.
Transparencies or glossy paper
will not feed
The tray containing the
transparencies o r glossy
paper is not configured correctly
for type.
Make sure that the input tray
containing the transparencies or
glossy pap er is selected in the
software application or printer
driver. Use the p rinte r control
panel to configure the tray to
the paper type loaded. See
Configuring input trays.
Transparencies are not printed
correctly and the printer
control panel displays the 41.5
UNEXPECTED MEDIA TYPE
error message
The OHT sensor is dirty. Clean the OHT sensor. See
Periodic cleaning.
Envelo
pes are loaded in an
unsupported tray. Only Tray 1
can feed envelopes.
Load en
velopes into Tray 1.
Envelopes are curled or
damaged.
Try using different envelopes.
Store envelopes in a c ontrolled
environment. Try rotating
the envelope orientation to
load long-edge first, and set
thetrayswitchtoCustom.
See
Envelopes for more
information.
Envelopes are sealing because
the moisture content is too high.
Try using different envelopes.
Store envelopes in a c ontrolled
environment.
Envelope orientation is
incorrect.
Verify that the envelope
is loaded correctly. See
Configuring input trays.
This printer does not support
the envelopes being used.
See Supporte d paper
weights and sizes or the
HP LaserJet Printer Family Print
Media Guide.
Envelo
pes jam or will not feed
in the printer
Tray 1 is configured for a size
other than envelopes.
Configure Tray 1 size for
envelopes.
165 Chapter 8 Problemsolving EN_WW