User Manual
Table 9-2 Control-panel light patterns (continued)
Light status Error code State of the printer Action
Er/20 The cartridge sensor has
experienced an error.
Replace the toner cartridge.
The Attention and
Ready lights are on.
Er/30
Er/49
Er/50
Er/51
Er/52
Er/53
Er/54
Er/55
Er/56
Er/57
Er/58
Er/59
Er/60
Er/79
The printer has experienced a fatal
error from which it cannot recover.
1. Turn o the printer or disconnect the power cord
from the printer.
2. Wait 30 seconds, and then turn on the printer or
reconnect the power cord to the printer.
3. Wait for the printer to initialize.
If the error persists, contact HP customer support.
ENWW Interpret control-panel light patterns (LED control panels only) 85