HP Color LaserJet 9500 Service Manual page 227

Table 30. Control panel and event log messages—8-bin mailbox (continued)
Control panel message Event log
13.12.06
Jam in left accessory
13.12.50
Jam in left accessory
13.12.51
Jam in left accessory
ENWW
User LED
13.12.06 Amber blinking
Recommended action:
1 Check the event log to see if the jam is occurring at a repetitive rate (for example, more than
three occurrences in less than 1,000 printed pages).
2 Check for a paper skew in the jammed sheet.
3 Make sure that the corner of a jammed sheet is not folded.
4 If a sheet is folded, check to see if it is caused by a defective fuser.
5 Make sure that the media is not wrinkled before it arrives to the 8-bin mailbox.
6 Make sure that no obstructions exist in the delivery head path.
7 Make sure that the transport belt motor is functioning correctly.
8 Make sure that the grounding line is in good condition by checking the electrical continuity
between the guide beam and the specific point of the line.
9 If the error persists, replace the belt motor.
13.12.50 Amber blinking
Recommended action:
1 Check to see if any obstructions exist in the head path area.
2 Clear for any jammed media.
3 Check the sensor diagram for sensor-position identification.
4 Make sure that the head sensors are in the correct position and that there are no loose parts on
the module.
5 Make sure that the head connections are correct.
6 Make sure that the controller PCA connections are correct.
7 Make sure that the grounding line is in good condition by checking the electrical continuity
between the guide beam and the specific point of the line.
8 If the error persists, replace the delivery head.
13.12.51 Amber blinking
Recommended action:
1 Check the event log to see if the jam is occurring at a repetitive rate (for example, more than
three occurrences in less than 1,000 printed pages).
2 Check for a paper skew in the jammed sheet.
3 Make sure that the corner of a jammed sheet is not folded.
4 If a sheet is folded, check to see if it is caused by a defective fuser.
5 Make sure that the correct media type is being used in the printer or MFP.
6 Remove the 8-bin mailbox from the printer or MFP, and then reattach it.
7 Make sure that the media is not wrinkled before it arrives to the 8-bin mailbox.
8 Make sure that no obstructions exist in the delivery head path.
9 Make sure that the grounding line is in good condition by checking the electrical continuity
between the guide beam and the specific point of the line.
10 If the error persists, replace the belt motor.
Service LED Description
Red blinking Media did not reach the EXIT1 sensor in
the delivery head and the media is
activating the FACEUP sensor at the
flipper assembly.
Yellow blinking Jammed media is in the belt or head. The
EXIT1 and/or EXIT2 sensors are
activated after the initialization sequence.
Yellow blinking A jam in the belt exists. Media left the
FACEUP sensor but it did not reach the
EXIT1 sensor in the delivery head.
Chapter 7 Troubleshooting 225