Brother HL-4000CN Service Manual page 222

LCD Display
Ready to Print
Need Replacement
Ready to Print
Need Replacement Transfer
Roll
Ready to Print
Need Replacement
Print Head Cart
Ready to Print
Need Maintenance CTD Sensor
< Name of Fail>
Contents of Trouble
<IOT X Toner Near Empty>
The X toner is low
<Transfer roll cartridge Life Warning>
Transfer roll cartridge unit ASSY is near the end of its life.
<Print head cartridge Life Warning>
Print head cartridge ASSY is near the end of its life.
<ERU Warning>
ADC sensor ASSY signal level below the specified value.
V-12
Action Reference
No action required.
See Yellow toner empty FIP
See Magenta toner empty
FIP
See Cyan toner empty FIP
See Black toner empty FIP
CRU Warning:
Xxxxx indicates Yellow
toner (Y), Cyan toner (C),
Magenta toner (M) or Black
toner (K).
No action required.
See transfer roll cartridge
life over FIP
CRU Warining:
No action required.
See print head cartridge life
over FIP
CRU Warning:
No action required.
See CTD sensor dustiness
FIP
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