HP Color LaserJet 9500 Service Manual page 211

Table 27. Control panel and event log messages—multifunction finisher (continued)
Event log, if connected to
Control panel
message LJ9000
Install booklet None
bin
Recommended action:
1 Make sure that the booklet bin is installed correctly.
2 Make sure that the booklet bin sensor flags are not broken.
3 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
4 If the harness is connected, but the message persists, then replace the controller PCA.
5 If, after you replace the controller PCA, the message persists, then replace the booklet bin assembly.
Install stapler None
unit
Recommended action:
1 Make sure that the stapler unit is installed correctly.
2 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
3 If the harness is connected, but the message persists, then replace the controller PCA.
4 If, after you replace the controller PCA, the message persists, then replace the stapler unit.
Optional bin 1 None
full
Recommended action:
Remove all of the media from the stacker bin.
NOTE: Even though the stack capacity for letter-size and A4-size paper is 1,000 sheets, a mix of sizes of
media can cause the stacker bin to be full at 500 sheets. In addition, if media is in the stacker bin at power-on,
then the stack capacity becomes 500 sheets.
Optional bin 2 None
full
Recommended action:
1 Remove all of the booklets from the booklet bin.
NOTE: If media is in the booklet bin at power-on, then the bin-full condition exists.
If no booklets are in the bin, but the message persists, then complete the following steps:
2 Make sure that the stapler cartridge has usable staples.
3 Verify the functionality of the following sensors located in the booklet bin: PI13 (see page 79), PI28, PI29,
PI30, and PI31 (see page 82) by using the sensor test (see "Testing sensors and switches" on page 238).
4 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
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 booklet bin full sensor flag.
7 If, after you replace the booklet-bin-full sensor flag, the message persists, then replace the booklet bin
assembly.
Output paper None
path open
Recommended action:
1 Make sure that the attachment bracket is installed correctly.
2 Make sure that the casters are leveled correctly, and that there are no cables between the multifunction
finisher and the printer or MFP.
3 Verify the functionality of the interlock switch MS2 (see page 78) by using the sensor test (see "Testing
sensors and switches" on page 238).
4 Verify that the connectors at the controller PCA are correctly seated, and check the harness connection at
each end.
5 If the harness is connected, but the message persists, then replace the interlock switch.
6 If, after you replace the interlock switch, the message persists, then replace the controller PCA.
ENWW
9500, 9500mfp, 9050,
9000mfp 9050/9040mfp
None None
None None
None None
None None
None None
User LED Service LED
Red blinking Yellow blinking
Red blinking Yellow blinking
Red blinking Green blinking
Chapter 7 Troubleshooting 209
Description
The booklet bin either
is not installed or is
installed incorrectly.
The stapler unit either
is not installed or is
installed incorrectly.
The stacker bin is full.
The booklet bin is full.
The interlock switch
detects an open path.