Xerox DocuPrint C55 Service Manual page 288

A B
9.10 COLOR TONER CONTROL
PCU
1
PWB
CN115
PL 4.2
+24 VDC INTERLOCKED
11
CYAN TONER SOLENOID ON (L) +24 VDC
12
2
+24 VDC INTERLOCKED
13
MAGENTA TONER SOLENOID ON (L) +24 VDC
14
+24 VDC INTERLOCKED
3 15
YELLOW TONER SOLENOID ON (L) +24 VDC
16
CN118
CYAN TONER SENSE SIGNAL
J3
4 10
GND
6
J5
3
5 VDC
F3
+5 VDC
NEW DEVELOPER SENSE SIGNAL
7
5 EA
MAGENTA TONER SENSE SIGNAL
9
J2
GND
5
5 VDC
J5
2
6
YELLOW TONER SENSE SIGNAL
8
J1
GND
4
J5 5 VDC
1
7
BSDs
Chain 9 Xerographics
C D E
CYAN TONER
SOLENOID
PL 4.6
1
MAGENTA TONER
SOLENOID
PL 4.6
1
YELLOW TONER
SOLENOID
PL 4.6
1
COLOR DEVELOPER
ASSEMBLY
CN1009
22
21
2
11
CDEV. LINK
3
15
16
17 2
10
8
7
2
9
2/99
7-14
F G
9.11 COLOR TONER CONTROL
PCU PWB
PL 4.2
CN116 TONER MOTOR CLOCK A
1
4
TONER MOTOR CLOCK B
2
COLOR
TONER
MOTOR
1 WHEN ONE OF THE TONER SOLENOIDS IS ENERGIZED, THE TONER MOTOR RUNS AND THE TONER IS
DISPENSED INTO THE DEVELOPER HOUSING.
2
THE TONER SENSE SIGNALS MEASURE THE TONER CONCENTRATION IN THE DEVELOPER HOUSINGS.
THE COLOR DEVELOPER LINK IS USED TO DETECT WHEN A NEW COLOR DEVELOPER MODULE IS
3
INSTALLED. IT MELTS AND RESETS THE Y, C, AND M, DEVELOPER COUNT.
4 THE COLOR TONER MOTOR IS CONTROLLED BY THE SENSE SIGNALS.
DISPENSE DRIVE FOR ALL THREE COLORS.
THE CLOCK A AND CLOCK B SIGNALS ARE APPROXIMATELY 12 VDC WHEN MEASURED TO GROUND.
THE CLOCK A AND CLOCK B SIGNALS ARE APPROXIMATELY 22 VAC WHEN MEASURED ACROSS A & B
Status
Description
Codes
J1 The Yellow toner is low.
The Magenta toner is low.
J2
J3 The Cyan toner is low.
J5 One of the Sense signals is out of range.
EA The color developer is misinstalled or is overtoned
H J
COLOR TONER
MOTOR
PL 4.3
MOT
YELLOW TONER
SOLENOID
MAGENTA TONER
SOLENOID
CYAN TONER
SOLENOID
PCU PWB
THE MOTOR PROVIDES
XEROGRAPHICS
CHAIN 9 LEVEL 2
SHEET 6 0F 10
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