Brother HL-4570CDW - Page 42

2-11
Confidential
27 PF drive motor error. 2-28
28 Drum drive motor error. 2-28
29 Paper eject motor error. 2-29
2A Develop release motor error. 2-29
2B Blower error. 2-30
2C Black Toner/New sensor PCB
error.
2-31
2D Yellow Toner/New sensor PCB
error.
2-31
2E Magenta
Toner/New sensor PCB
error.
2-31
2F
Cyan Toner/New sensor PCB error. 2-31
30 Erase lamp current value error. 2-31
31 Density sensor error. 2-32
32 Registration mark sensor shutter
operation error.
2-32
33 Registration mark R PCB ASSY
error.
2-33
34 Registration mark L PCB ASSY
error.
2-33
35 Failure in NVRAM of the engine
PCB.
2-33
36 Error in the high-voltage power
supply PCB while the printer is
in the standby mode.
2-34
37
Belt unit temperature sensor error. 2-34
38 External temperature sensor
error.
2-34
39 External humidity sensor error. 2-34
3A Engine PCB transfer error.
(Communication error between
the main CPU and sub CPU.)
2-35
3B Main PCB DRAM access error. 2-35
Error
codes
Problem
Refer
to:
3C Main PCB error.
(Write error in NVRAM)
2-35
3D Main PCB error.
(Read error in NVRAM.)
2-35
3E Main PCB error.
(Bus error in NVRAM.)
2-35
3F Write error in engine firmware. 2-36
40 Error in the high-voltage power
supply PCB while the printer is
in operation.
2-36
42 High-voltage power supply PCB
transfer error.
2-36
43 ASIC error of the main PCB. 2-36
44 The black toner cartridge is not
installed.
2-37
45 The yellow toner cartridge is not
installed.
2-37
46 The magentatoner cartridge is
not installed.
2-37
47 The cyan toner cartridge is not
installed.
2-37
48 Black drum unit is at the end of
life.
2-38
49 Yellow drum unit is at the end of
life.
2-38
4A Magenta drum unit is at the end
of life.
2-38
4B Cyan drum unit is at the end of
life.
2-38
4C The black drum unit will reach
the end of life soon.
2-38
4D The yellow drum unit will reach
the end of life soon.
2-38
Error
codes
Problem
Refer
to: