Alignment and Troubleshooting
4-20
5. LSU Control
Item Description
LD Power When “OK” key is pushed after ”ON” message displayed, ”OFF” message
will be displayed after 10 seconds
LSU Motor If “OK” key is pushed after “ON” displayed, motor will be run. LSU motor
will auto - stop after 10 seconds and ”OFF” message will be displayed.
LSU Ready If “OK” key is pushed after “ON” displayed, motor will be run. ”1” message
will be displayed.
Hsync If “OK” key is pushed after “ON” displayed, motor will be run. ”1” message
will be displayed.
6. DEV Control
Item Description
THV (+) If “OK” key is pushed after “ON” displayed, THV (+) will be turned on.
THV (-) If “OK” key is pushed after “ON” displayed, THV (-) will be turned on.
Dev Bias If “OK” key is pushed after “ON” displayed, Dev Bias will be turned on.
MHV Bias If “OK” key is pushed after “ON” displayed, MHV Bias will be turned on.
■ ACRONYMS • DEV – Developing High Voltage
• EDC – Embedded Diagnostic Control
• F/W – Firmware
• HVPS – High Voltage Power Supply
• H/W – Hardware
• LD – Laser Diode
• LSU – Laser Scanning Unit
• MHV – Main High Voltage (Charge Voltage)
• OPC – Optical Photo Conductor
• SCF – Second Cassette Feeder
• THV – Transfer High Voltage