HP Color LaserJet 9500 Service Manual page 219

Table 28. Control panel and event log messages—3,000-sheet stapler/stacker (continued)
Event log, if connected to
Control panel
message 9000
Optional bin 2 None
full
Recommended action:
1 Remove all media from the stacker bin.
2 If the condition persists when the bin is empty, then verify that nothing is blocking the optical sensors.
3 Verify the functionality of the optical sensors by using the sensor test (see "Stacker bin-full sensor test" on
page 240) and replace faulty optical sensors.
4 Verify that the optical sensors are not receiving any direct light, which can cause the stacker bin to move all
the way down when empty.
5 If the sensors operate correctly and do not receive any direct light, then replace the controller PCA.
Output paper None
path open
Recommended action:
1 Make sure that the attachment bracket and magnets are installed correctly.
2 Make sure that no cables are in between the output device and the printer or MFP.
3 Verify the functionality of the interlock switch and replace the switch if appears to be broken.
4 Verify the cable connections of the interlock switch.
5 If the cables are 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.
Stapler jam None
Recommended action:
1 Make sure that the job to be stapled is within specifications. See chapter 3.
2 Reduce the number of pages to stapled, and then perform a test.
3 If the test fails, then replace the staple cartridge.
4 If, after you replace the staple cartridge, the message persists, then replace the stapler unit.
Stapler low of None
staples
Recommended action:
Install a new staple cartridge.
Stapler out of None
staples
Recommended action:
NOTE: Customers might still see staples in the path of the cartridge; however the "out of staples" message is
triggered when the staple chamber is empty. Print jobs will not be stapled.
1 Replace the staple cartridge.
2 If, after you replace the staple cartridge, the message persists, then replace the stapler unit.
Too many None
pages in job to
staple
Recommended action:
1 Make sure that the job to be stapled is within specifications. See chapter 3.
2 Reduce the number of pages to stapled, and then perform a test.
3 Replace the staple cartridge as needed.
4 Replace the stapler unit as needed.
ENWW
9500, 9500mfp, 9050,
9000mfp 9050/9040mfp
None None
None None
None None
None None
None None
None None
User LED Service LED Description
Amber Green solid
blinking
Red blinking Green blinking The paper path between the
Amber Yellow (4
blinking blinks)
Green solid Green solid
Amber Green solid
blinking
Green solid Green solid
Chapter 7 Troubleshooting 217
The stacker bin is full. More
than 3,000 sheets of 75-g/m
(20-lb) letter-size or A4-size
paper has been collected (or
fewer than 3,000 sheets of
heavier or larger media).
printer or MFP and the output
device is open.
A jam exists in the staple
cartridge.
The staple cartridge has only
20 to 50 staples remaining.
The staple cartridge is out of
staples.
The number of sheets in the
document exceeds the
maximum number of sheets
that the device can staple.
2