Brother HL-4000CN Service Manual page 215

LCD Display
010-351 Turn OFF
the Power.
010-354 Turn OFF
the Power.
016-300 Turn OFF
the Power.
016-301 Turn OFF
the Power.
016-302 Turn OFF
the Power.
016-317 Turn OFF
the Power.
016-310 Turn OFF
the Power.
016-315Turn OFF
the Power.
016-316 Turn OFF
the Power.
016-323 Turn OFF
the Power.
016-324 Turn OFF
the Power.
016-325 Turn OFF
the Power.
016-326 Turn OFF
the Power.
< Name of Fail>
Contents of Trouble
<IOT Fuser Life Over>
Fuser ASSY life expired.
<IOT Environment Sensor Error>
1. The temperature over +100 C or below -20 C was detected.
2. The humidity over 100% was detected.
<ESS Data Cache Error>
CPU data cache error
<ESS Instruction Cache Error>
CPU instruction cache error
<ESS Illegal Exception>
CPU illegal exception
<ESS ROM Check (Main) Fail>
Main program ROM checksum error
<ESS Font ROM Error (Main)>
Internal font ROM checksum error
<ESS On-Board RAM W/R Check Fail >
Detected by RAM W/R check at initialize
<ESS RAM DIMM W/R Check Fail >
Detected by standard RAM W/R check at initialize.
<ESS NVRAM1 W/R Check Fail >
Detected by Master NVRAM W/R check.
<ESS NVRAM2 W/R Check Fail >
Detected by backup NVRAM W/R check.
<ESS NVRAM3 W/R Check Fail >
Detected by NVRAM W/R check for print log.
<ESS NVRAM4 W/R Check Fail >
Detected by NVRAM W/R check for print log
V-5
Action Reference
BSD
Power off/on 2.3.1
See fuser life over FIP 2.3.3
Power off/on 2.8.7
See environment sensor 2.8.8
error FIP
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3
Power off/on
2.3.1
2.3.3