Ricoh D037 Service Manual page 660

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System Service Mode
Displays or adjusts the current Vtref value for each color.
001 Current: Bk
002 Current: C
003 Current: M
004 Current: Y
Displays or adjusts the Vtref value for each color at developer initialization.
005-008
DFU
005 Initial: Bk
006 Initial: C
007 Initial: M
008 Initial: Y
009-012 Displays and adjusts Vtref correction by pixel coverage for each color. DFU
009 Pixel Correction: Bk
010 Pixel Correction: C
011 Pixel Correction: M
012 Pixel Correction: Y
[Vtref U/Lower: Set] DFU
3223
Adjusts the lower or upper limit value of Vtref for each color.
001 Lower: Bk
002 Lower: C
003 Lower: M
004 Lower: Y
005 Upper: Bk
D037/D038/D040/D041
*ENG
*ENG
[0 to 5.5 / 3 / 0.01 V/step]
*ENG
*ENG
*ENG
*ENG
[0 to 5.5 / 3 / 0.01 V/step]
*ENG
*ENG
*ENG
[-5 to 5.5 / 0 / 0.01 V/step]
*ENG
*ENG
[-5 to 5 / 0 / 0.01 V/step]
*ENG
*ENG
*ENG
[0 to 5 / 2 / 0.01 V/step]
*ENG
*ENG
*ENG
[0 to 5 / 4 / 0.01 V/step]
9-126
SM Appendix

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