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2/99
BSDs
DocuPrint C55/C55mp[NC60]
7-17
Chain 9
Xerographics
A
B
C
D
E
F
G
H
J
2
1
3
4
5
6
7
CONN.
PWB
PL 10.4
PCU
PWB
PL 4.2
GAMMA PWB
PL 10.2
CN301
2
3
11
CN304
CN103
CN401
1
2
3
3
+5 VDC A
SENSE SIGNAL
HUMIDI-
STAT
10
5
SENSOR GND
1
6
7
12
4
GND A
TEMPERATURE/
HUMIDITY PWB
PL 8.3
TEMPER-
ATURE
SENSOR
3
1
2
4
5
CN105
+5 VDC
GND
HUMIDITY SENSE SIGNAL
TEMPERATURE SENSE SIGNAL
+5 VDC
9.19 PROCESS CONTROL
3
1
2
4
5
XEROGRAPHICS
CHAIN 9 LEVEL 2
SHEET 9 0F 10
PROCESS CONTROL SEQUENCE
1.
IF TONER CONCENTRATION WAS
LOW DURING PREVIOUS RUN.
ADJUST THE TONER
CONCENTRATION.
2.
READ THE TEMPERATURE AND
RELATIVE HUMIDITY.
3.
USE THE TEMPERATURE AND
HUMIDITY DATA TO ADJUST THE
TONER CONCENTRATION SET
POINTS, IF REQUIRED.
4.
SLOW THE MAIN DRIVE MOTOR
AND CALIBRATE THE GAMMA
SENSOR USING THE WHITE
PATCH.
5
PRINT BLACK PATCH ON TOP OF
WHITE PATCH. USE THREE
CYCLES TO DEVELOP THREE
PATCHES EACH 50 VOLTS APART.
ADJUST THE BLACK DEVELOPER
BIAS.
6.
PRINT THREE CYAN PATCHES.
CHANGE DEVELOPER BIAS BY 50 V
FOR EACH PATCH.. ADJUST CYAN
DEVELOPER BIAS. IF OUT OF
RANGE, PRINT AND MEASURE
ADDITIONAL CYAN PATCHES AND
READJUST.
7.
REPEAT STEP 6 WITH MAGENTA
AND YELLOW.
Summary of Contents for DocuPrint C55
Page 14: ...SERVICE CALL PROCEDURES 2 99 NOTES 1 6 DocuPrint C55 C55mp NC60 Notes ...
Page 56: ...OTHER FAULTS RAPs 2 99 NOTES 2 42 DocuPrint C55 C55mp NC60 NOTES ...
Page 76: ...IMAGE QUALITY SPECIFICATIONS 2 99 NOTES 3 20 DocuPrint C55 C55mp NC60 NOTES ...
Page 130: ...REPAIRS ADJUSTMENTS 2 99 NOTES 4 42 DocuPrint C55 C55mp NC60 NOTES ...
Page 216: ...GENERAL PROCEDURES 2 99 NOTES 6 18 DocuPrint C55 C55mp NC60 Notes ...
Page 252: ...GENERAL PROCEDURES 2 99 NOTES 6 54 DocuPrint C55 C55mp NC60 NOTES ...
Page 272: ...GENERAL PROCEDURES 2 99 NOTES 6 74 DocuPrint C55 C55mp NOTES ...
Page 274: ...GENERAL PROCEDURES 2 99 NOTES 6 76 DocuPrint NC60 NOTES ...