HP Color LaserJet 9500 Service Manual page 207

Table 27. Control panel and event log messages—multifunction finisher (continued)
Event log, if connected to
Control panel
message LJ9000
13.12.51 13.12.33
13.12.52 13.12.34
13.12.53 13.12.35
Jam in left
accessory
Recommended action:
1 Clear the jam.
2 Make sure that the jobs meet the required specifications.
3 Test the booklet tray slide motor M10 by using the motor test (see "Testing a motor, solenoid, or clutch" on
page 238).
4 Verify the functionality of the various booklet-bin sensors PI28, PI29, PI30, PI31 (see page 82), and PI32
(see page 80) by using the sensor test (see "Testing sensors and switches" on page 238).
5 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
6 Turn the printer or MFP off and then on again to see if the jam persists.
7 If the harness is connected, but the message persists, then replace the booklet bin assembly.
8 If, after you replace the booklet bin assembly, the message persists, then replace the controller PCA.
66.12.11 66.12.11
Output device
failure
Recommended action:
1 Make sure that the stapler unit is inserted correctly.
2 Make sure that the staple cartridge is seated in the stapler unit correctly. If it is not, then make sure that the
stapler is fully open (turn the large green knob until the blue dot is visible, indicating that the stapler is fully
open).
3 Make sure that the paper stopper at the alignment bin is working correctly.
4 Test the staple sliding motor M8 by using motor test (see "Testing a motor, solenoid, or clutch" on
page 238).
5 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
6 Turn the printer or MFP off and then on again to see if the jam persist.
7 If the harness is connected, but the message persists, then replace the stapler unit.
8 If, after you replace the stapler unit, the message persists, then replace the controller PCA.
66.12.31 66.12.31
Output device
failure
Recommended action:
1 Test the feed motor M1 by using the motor test (see "Testing a motor, solenoid, or clutch" on page 238).
2 Verify the functionality of the stack feed-roller (upper) home-position sensor PI12 (see page 80) by using the
sensor test (see "Testing sensors and switches" on page 238).
3 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
4 Turn the printer or MFP off and then on again to see if the jam persists.
5 If the harness is connected, but the message persists, then replace the controller PCA.
6 If, after you replace the controller PCA, the message persists, then replace the folding mechanism.
ENWW
9500, 9500mfp, 9050,
9000mfp 9050/9040mfp
13.12.33 13.12.51
13.12.34 13.12.52
13.12.35 13.12.53
66.12.11 66.12.11
66.12.31 66.12.31
User LED Service LED
Red blinking Yellow (5 blinks)
Green (1 blink)
Red blinking Yellow (5 blinks)
Green (2 blinks)
Red blinking Yellow (5 blinks)
Green (3 blinks)
Red solid Red (1 blink)
Green (1 blink)
Red solid Red (3 blinks)
Green (1 blink)
Chapter 7 Troubleshooting 205
Description
A jam has occurred in
the booklet bin area.
A stapler carriage
motor (M8) failure has
occurred.
A home position
timeout (M1) has
occurred.