Ricoh MP C6502SP System Maintenance page 161

L:BE
Displays White level peek scanning value (L side/BLUE/EVEN Pixel).
Adjusts White level by scanning White Basis Board to keep hold of Scanner's image
signal's dynamic range when Scanner turns on.
003
Scan level for White Basis Board when adjusting white level will be given.
When White level peak scanning value is abnormal (adjustment won't complete),
SC142-00 is given.
Cause of error will show in SP4-646-004.
Use for design evaluation, analyzing cause of malfunction (abnormal images, SC).
L:BO
Displays White level peek scanning value (L side/BLUE/ODD Pixel).
Adjusts White level by scanning White Basis Board to keep hold of Scanner's image
signal's dynamic range when Scanner turns on.
004
Scan level for White Basis Board when adjusting white level will be given.
When White level peak scanning value is abnormal (adjustment won't complete),
SC142-00 is given.
Cause of error will show in SP4-646-004.
Use for design evaluation, analyzing cause of malfunction (abnormal images, SC).
4693 [Black Level Data]
F:RE
Displays Black level peek scanning value (F side/RED/EVEN Pixel).
Image signal's offset level will be checked and given when Scanner turns on and the Black
level is checked.
001
Confirming if SBU's (SCAT) offset adjusting function is running normal.
When Black level peak scanning value is abnormal, SC141-00 is given.
Cause of error will show in SP4-646-002.
Use for design evaluation, analyzing cause of malfunction (abnormal images, SC).
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ENG [0 to 1023 / 0 / 1digit/step]
SP4-XXX (Scanner)
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