- HP All-in-One Printer Manual

290 Troubleshooting Q2431-90912
59.4
EP MOTOR ROTATION ERROR
(LJ 4300 only)
The print-cartridge drive motor
(LJ 4300 only) is not functioning
properly.
1. Turn the printer off and then
on.
2. Replace the print cartridge.
3. Reconnect the EP-motor
wire-harness on the
DC controller PCA
(location J86).
4. Replace the EP motor. See
“Print-cartridge motor
(HP LaserJet 4300 series
printer only)” on page 175.
5. Replace the
DC controller PCA. See
“DC controller PCA” on
page 181.
60.2
PRINTER ERROR
The tray 2 lifter-motor is not
functioning.
1. Turn the printer off and then
on.
2. If the error persists. turn the
printer off.
3. Verify that the tray 2 lifter
wire-harness is full seated in
its connector on the
DC controller PCA
(location J93).
4. Replace the tray 2 lifter-driver
assembly. See “Tray 2 lifter-
drive assembly” on page 179.
5. Replace the
DC controller PCA. See
“DC controller PCA” on
page 181.
60.3
TRAY 3 LIFTER MOTOR FAILURE
The tray 3 lifter-motor is not
functioning.
Tray 3 can be a 500-sheet feeder
or 1,500-sheet feeder accessory.
1. Turn the printer off and then
on.
2. If the error persists. turn the
printer off.
3. Verify that the tray 3 lifter
wire-harness is fully seated in
its connector on the sheet
feeder PCA.
4. Replace the tray 3 lifter-driver
assembly. See “500-sheet
feeder lifter-drive assembly”
on page 209 or “1,500-sheet
feeder lifter-drive assembly”
on page 222.
5. Replace the tray 3 feeder
controller PCA. See
“500-sheet feeder
control PCA” on page 207 or
“1,500-sheet feeder
control PCA” on page 220.
Table 42. Numerical printer messages (continued)
Message Description Action