HP 9050 HP LaserJet 9040mfp/9050mfp - User Guide - Page 165

Preventing wrinkles on envelopes, Detecting MFP problems

Page 165 highlights

Preventing wrinkles on envelopes If envelopes are wrinkled when printed, first ensure that you are using supported types of envelopes. Then, use the following procedure to move the fuser levers to the higher position while printing the envelopes. To prevent wrinkles on envelopes See Printing on envelopes for more information. Detecting MFP problems Note Troubleshooting checklist ● Ensure that all of the sheets in the document that is loaded into the ADF are of the same size and that the document does not exceed the maximum stack height for the ADF. ● Ensure that media that is loaded into the trays is from a freshly opened ream, is free of defects, and is installed correctly. Ensure that the paper guides are adjusted correctly. ● Verify that the MFP is using a dedicated circuit and is directly plugged into the outlet. (Do not use a power strip or extension cord.) For more information about the HP output devices, see the User's Guide that came with the device. Determining MFP problems Situation/Message Solution Display is blank, and internal fans are not running. Make sure that the MFP power is on. Press all the keys to see if one is stuck. Contact your HP-authorized service representative if these steps do not work. Messages appear on the display. See Understanding MFP messages. Paper is jammed in the MFP. Check for paper jams (see Clearing jams). MFP display shows the wrong language or displays unfamiliar characters. Reconfigure the control-panel display language. Touch Menu, then touch Configure Device. Touch System Setup, then touch Language. Touch your language, and then touch OK. MFP is not working at all. Plug the power cord firmly into the grounded power receptacle and into the MFP. (Be sure the power source is energized.) MFP is turned on, but internal fans are not running. Make sure the line voltage is correct for the MFP power configuration. (See the plate next to the power receptacle on the back of your MFP for voltage requirements.) If you are using a power strip and its voltage is not within specification, plug the MFP directly into the power receptacle. MFP voltage is not correct. Make sure line voltage is in the correct range. (See the MFP label next to the power receptacle on the back of the MFP for voltage requirements.) ENWW Detecting MFP problems 161

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ENWW
Detecting MFP problems
161
Preventing wrinkles on envelopes
If envelopes are wrinkled when printed, first ensure that you are using supported types of
envelopes. Then, use the following procedure to move the fuser levers to the higher position
while printing the envelopes.
To prevent wrinkles on envelopes
See
Printing on envelopes
for more information.
Detecting MFP problems
Troubleshooting checklist
Ensure that all of the sheets in the document that is loaded into the ADF are of the same size
and that the document does not exceed the maximum stack height for the ADF.
Ensure that media that is loaded into the trays is from a freshly opened ream, is free of
defects, and is installed correctly. Ensure that the paper guides are adjusted correctly.
Verify that the MFP is using a dedicated circuit and is directly plugged into the outlet. (Do not
use a power strip or extension cord.)
Note
For more information about the HP output devices, see the
User’s Guide
that came with the device.
Determining MFP problems
Situation/Message
Solution
Display is blank, and
internal fans are not
running.
Make sure that the MFP power is on. Press all the keys to see if one is
stuck. Contact your HP-authorized service representative if these
steps do not work.
Messages appear on the
display.
See
Understanding MFP messages
.
Paper is jammed in the
MFP.
Check for paper jams (see
Clearing jams
).
MFP display shows the
wrong language or displays
unfamiliar characters.
Reconfigure the control-panel display language. Touch
Menu
, then
touch
Configure Device
. Touch
System Setup
, then touch
Language
.
Touch your language, and then touch
OK
.
MFP is not working at all.
Plug the power cord firmly into the grounded power receptacle and into
the MFP. (Be sure the power source is energized.)
MFP is turned on, but
internal fans are not
running.
Make sure the line voltage is correct for the MFP power configuration.
(See the plate next to the power receptacle on the back of your MFP
for voltage requirements.) If you are using a power strip and its voltage
is not within specification, plug the MFP directly into the power
receptacle.
MFP voltage is not correct.
Make sure line voltage is in the correct range. (See the MFP label next
to the power receptacle on the back of the MFP for voltage
requirements.)