August 2006
PROCESS CONTROL
6-83
Detailed
D
escr
iptions
What is Done During Potential Control?
Pre-Processing
Sensor Check
Potential Control
(Toner Application
Control)
TD Sensor Output
Calibration
Process Control
Gamma Correction
Adjust Vsg
Create 10-Gradation Pattern Potential Sensor Pattern
ID Sensor Reads Developed
Pattern on the ITB
Calculate Potential
Calculate Toner Amount
Calculate Development Gamma
Calculate Development Potential to Acquire
Targeted Maximum Amount of Toner
Refer to Pointer Table
Get Target Vd
for Charge Roller
Get Target Vpl
for Laser Power
Get Target Vb
for Dev. Bias
Adjust Vd
Adjust Vpl
Determine Settings to Create
Image
Drum Charge
DC
Development
Bias DC
LD Power
(PM)
Create 16-Gradation Pattern
ID Sensor Reads Pattern
LD Exposure Value Curve
Plotted
Change Amount of Toner
Calculate LD Gamma Curve
Update Process Control Gamma Table
Potential Control Process Flow
Relating SC Codes
*Adjusted for each color (Y, M, C, K)
SC436 to 439: Potential Sensor Error :vd
SC316 to 319: AC Bias Charge Adjustment Error
SC497: Temperature and Humidity Sensor Error
SC497: Temperature and Humidity Sensor Error
SC400: ID Sensor Error 1: Calibration
SC418: LED Error during Vsg Adjustment
SC410 to 413: ID Sensor Error 2 to 5: Development Gamma
SC414 to 417: ID Sensor Error 6 to 9: Development Start Voltage
Update Toner Supply Control
Parameters (During Copy Interval
Process Control Self-Check)
Determine Target Toner Amount Based
Using Development Gamma
Lower
Development
Gamma
Raise
Development
Gamma
Raises the
target setting
of the copy
interval
pattern, and
increases toner
concentration
Lowers the
target setting
of the copy
interval
pattern, and
decreaes toner
concentration
-or-
SC432 to 435: Potential Sensor Error 1 to 4: Vr
SC420 to 423: Potential Sensor Error 1 to 4: Vd Adjustment
SC424 to 427: Potential Sensor Error 5 to 8: Vl Adjustment
SC410 to 413: ID Sensor Error 2 to 5: Development Gamma
SC414 to 417: ID Sensor Error 6 to 9: Development Start Voltage
ID Sensor Detects
Potential Sensor Detects
Temperature/Humidity
Sensor Detects
Detect VdHome
Adjust AC Charge
(Charge Roller)
Agitate Developer
Adjust Vsg
Potential Sensor Reads
Unexposed Pattern on Drum
ID Sensor Reads Developed
Pattern on the ITB
Adjust for Residual Potential, Calibrate Vr
Vd*
Vb*
Vpl*
Adjust Vd
Adjust Vpl
ID Sensor Reads Pattern
TD Sensor Detects
Vtcnt/Vtref Calibration
2
1
3
4
5
6
7
8
9
B132D988.WMF
Содержание e-STUDIO 4500c
Страница 48: ...August 2006 COPIER E STUDIO4500C 5500C 1 9 Installation A Under ARDF B Operation panel film B132I002 WMF A B ...
Страница 79: ...COPY TRAY B756 August 2006 1 40 1 4 2 INSTALLATION 1 Remove the left upper cover A x 2 B756I101 WMF A ...
Страница 329: ...BOARDS August 2006 3 142 3 14 9 AC DRIVE BOARD Remove left lower cover 3 2 3 A AC drive board x8 x6 B132R727 WMF A ...
Страница 342: ...August 2006 AIR FILTERS 3 155 3 17 3 SCANNER FILTER Remove A Top left cover x1 B Scanner filter B132R730 WMF A B ...
Страница 460: ...ADDITIONAL INFORMATIONS April 2007 4 82 5 Remove the bracket G 1 screw 6 Remove the harness cover H 1 screw G H ...
Страница 722: ...BOARDS August 2006 6 6 6 2 BOARDS 6 2 1 BLOCK DIAGRAM B132D981 WMF ...
Страница 871: ...A3 11 x17 PAPER SIZE TRAY Machine Code B331 06 09 ...
Страница 873: ......
Страница 878: ...LCT LARGE CAPACITY TRAY Machine Code B473 06 09 ...
Страница 880: ......
Страница 896: ...PAPER END DETECTION September 2006 B473 16 06 09 ...
Страница 897: ...Peripherals 2000 3000 SHEET FINISHER Machine Code B700 B701 ...
Страница 901: ......
Страница 972: ...COVER INTERPOSER TRAY Machine Code B704 06 09 ...
Страница 988: ...3000 SHEET FINISHER Machine Code B706 06 09 ...
Страница 991: ......
Страница 1048: ...9 BIN MAILBOX Machine Code B762 06 09 ...
Страница 1050: ......
Страница 1062: ...PAPER MISFEED DETECTION TIMING September 2006 B762 12 06 09 ...
Страница 1096: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 1 4 ...
Страница 1097: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 2 4 ...
Страница 1098: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 3 4 ...
Страница 1099: ...e STUDIO4500c 5500c POINT TO POINT DIAGRAM 4 4 ...
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