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262 Troubleshooting Q2431-90912
INSTALL FUSER
For help press
The fuser is either not installed or
not correctly installed in the
printer.
1. The fuser is not fully seated
or has been removed and
must be reinstalled for
printing to continue. See
“Fuser” on page 162.
● If the fuser is in the printer,
remove and reinstall it.
● If the fuser is not in the printer,
install it.
2. Push the fuser firmly into the
printer until the blue levers on
both sides click into place.
3. Press the H
ELP ( ) button for
detailed information.
4. Press the U
P ARROW ()
button and the
D
OWN ARROW ( ) button to
step through the instructions.
5. If the error persists, verify that
the fuser connector
(J128 for the
HP LaserJet 4200; J228 for
the HP LaserJet 4300) is
good.
6. Replace the fuser assembly.
See “Fuser” on page 162.
7. Replace the DC controller
PCA. See
“DC controller PCA” on
page 181.
8. Replace the power supply.
See “Power supply” on
page 188.
LOAD TRAY XX:
<TYPE> <SIZE>
For help press
alternates with
LOAD TRAY XX:
<TYPE> <SIZE>
TO USE ANOTHER
TRAY PRESS
Tray XX is either empty (based on
the operation of the paper sensor)
or configured for a type and size
other than that specified in the
job.
1. Press the H
ELP ( ) button
for detailed information.
2. Press the U
P ARROW ()
button and the
D
OWN ARROW ( ) button to
step through the instructions.
3. Print a configuration page
and verify that the tray
settings are correctly set. See
“Configuration page” on
page 241.
4. If the tray settings on the
configuration page do not
match the actual tray setting,
verify that the indicated tray’s
paper width switch (SW102,
SW801, or SW1) is operating
correctly. See figure 213 on
page 336, figure 217 on page
340, or figure 220 on page
343.
Table 41. Alphabetical printer messages (continued)
Message Description Action