Ricoh MP C6502SP System Maintenance page 135

Black level:F
002
Shows cause of error when an error occurs With the Black level check when scanner turns
on.
When an error, SC141-00(F side/Black level adjustment error) will be given.
[format] binary
Scan adjust error (F side/Black level) flag=(b7,b6,b5,b4,b3,b2,b1,b0)
[0 to 65535 / 0 / 1/step]
Bit7: Unused
Bit6: Unused
Bit5: Black level abnormal (F
side/RED/EVEN Pixel)
Bit4: Black level abnormal (F
side /RED/ODD Pixel)
ENG
Bit3: Black level abnormal (F side /
GREEN/EVEN Pixel)
Bit2: Black level abnormal (F side /
GREEN/ODD Pixel)
Bit1: Black level abnormal (F side /
BLUE/EVEN Pixel)
Bit0: Black level abnormal (F side /
BLUE/ODD Pixel)
SP4-XXX (Scanner)
133