Color LaserJet Pro M155-M156
Reference Guide
Need Help? - FAQ
For frequently asked questions, go to
www.hp.com/support/ljM155FAQ
QR code.
LED control panel view
Control panel light patterns
Lights
Description
Ready
Toner cartridge is at end of life
Fatal error
Processing
Error/Manual Feed/Manual Duplex/Out of paper/
Door open/Jam
or scan the
Supplies LEDs
1
Wireless
button (wireless model only)
2
Attention
LED
3
Ready LED
4
Resume / OK button
5
Cancel button
6
Solution
No action to take.
A Supplies light blinks when a supply error occurs, and it glows without blinking
when the supply is very low.
Power cycle. If error still appears, call HP customer service.
No action to take.
•
Manual Feed/Manual Duplex - Press the Resume / OK button when
ready.
•
Out of paper - Insert paper.
•
Door open - Secure all doors.
•
Error/Jam - Refer to User Guide.
3
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