Samsung CLX-8540ND Service Manual page 196

NVM Description
Code
(GUI)
104-060 Bypass Rubber Pad Life
Page Counter
105-000 MHV DC Yellow
105-010 MHV DC Magenta
105-020 MHV DC Cyan
105-030 MHV DC Black (MHV
Bias Control)
105-040 MHV DC Low Yellow
105-050 MHV DC Low Magenta
105-060 MHV DC Low Cyan
105-070 MHV DC Low Black
105-080 MHV VPP Yellow
105-090 MHV VPP Magenta
105-100 MHV VPP Cyan
105-110 MHV VPP Black
105-120 MHV AC Yellow
105-130 MHV AC Magenta
105-140 MHV AC Cyan
105-150 MHV AC Black
106-000 Deve DC Yellow
106-010 Deve DC Magenta
106-020 Deve DC Cyan
106-030 Deve DC Black (Deve
Bias Control)
Service Manual
Troubleshooting
Max
Default
/ Min
0 100000 * MP Tray Pick up roller Page Counter value
/0 * When replacing a svc part, you can change the count to 0.
425 1000 * This value is to set the DC component in the charge voltage for
/100 charging the OPC surface.
* Default 425 PWM is approximately -706V
425 1000
* The voltage changes +2.05v per +1 PWM.
/100
* In case of NN, the surface of OPC is charged by approximately
425 1000
-600V.
/100
* This value is to check the normal state of HVPS,LSU.
425 1000
* The value set on EDC manually is not applied to the real printing.
/100
* At real printing, the value is applied by the Look-Up Table
considering the environment and life automatically.
440 1000 * In case of OPC idling, this value is to make the lower charge
/100 voltage on OPC surface.
* Default 440 PWM is approximately -736V that makes
440 1000
approximately -100V charge voltage.
/100
* The voltage changes +2.05v per +1 PWM.
440 1000
* This value is to check the normal state of HVPS,LSU.
/100
* The value set on EDC manually is not applied to the real printing.
440 1000
* At real printing, the value is applied by the Look-Up Table
/100
considering the environment and life automatically.
134 250/30 * This value is to set the AC component in the charge voltage for
charging the OPC surface.
134 250/30
* Default 134 PWM is approximately -2.28KVpp
134 250/30
* The voltage changes +13.5Vpp per +1 PWM.
134 250/30
* This value is to check the normal state of HVPS,LSU.
* The value set on EDC manually is not applied to the real printing.
* At real printing, the value is applied by the Look-Up Table
considering the environment and life automatically.
128 160/100 * This PWM value is to set +/- rate of AC component for charging
the OPC surface.
128 160/100
* Default 128 PWM is 50% Duty
128 160/100
* This value is to check the normal state of HVPS,LSU.
128 160/100
* The value set on EDC manually is not applied to the real printing.
* At real printing, the value is applied by the Look-Up Table
considering the environment and life automatically.
152 200/90 * This PWM value is to set the develping DC that toner of magnetic
roll is developed on OPC.
152 200/90
* Default 152 PWM is approximately -500V.
152 200/90
* The voltage changes +4.0V per +1 PWM.
152 200/90
* This value is to check the normal state of HVPS,LSU.
* The value set on EDC manually is not applied to the real printing.
* At real printing, the value is applied by the Look-Up Table
considering the environment and life automatically.
4-34
Function Description
Samsung Electronics