Timing Chart - Sharp AM-900 Service Manual

AM-900U

9. Timing chart

9.1. Print process
PRINT PROCESS
Soft Control
Signal
Name PMD
(Polygon motor)
MM
(Main motor)
MCON
MC
Signal
(Main charger)
PWMSIN
MC
Signal
(Superposing)
(Duty)
TC (Transfer
TCON
Charger)
Signal
SV
(Supply Roller
Voltage)
Laser Lighting
(discharge)
High Voltage
Power Supply Unit
MC Output MC
(Main charger)
Voltage MC
TC (Transfer
TC Output
Charger)
Voltage TC(+)
Voltage TC(-)
SV (Supply
SV Output
Roller Voltage)
Voltage SV(+)
Voltage SV(-)
9.2. Cleaning process
CLEANING PROCESS
Soft Control
PMD
(Polygon motor)
MM
(Main motor)
MCON
MC
Signal
(Main charger)
PWMSIN
MC
Signal
(Superposing)
(Duty)
TC (Transfer
TCON
Charger)
Signal
SV
(Supply Roller
Voltage)
Laser Lighting
(discharge)
High Voltage
Power Supply Unit
MC Output MC
(Main charger)
Voltage MC
TC (Transfer
TC Output
Charger)
Voltage TC(+)
Voltage TC(-)
SV (Supply
SV Output
Roller Voltage)
Voltage SV(+)
Voltage SV(-)
Pre-Printing period
max 5.0sec
GND
DC(-950V)+AC(760Vp-p)
DC(+3600V)+AC(760Vp-p)
GND
DC(-500V)
DC(+400V)
GND
DC(-280V)
1
max 5.0sec
GND
DC(-850V)
GND
DC(-500V)
DC(+400V)
GND
Printing period
One or more page printing
DC AC
2sec
Lighting
Printing
CLEANING PRINTING
DC
7sec
Lighting
CLEANING
3 – 17
After Printing period
3.0sec
DC
5sec
5sec
Lighting
CLEANING
3.0sec