Epson AcuLaser C1900 Service Manual page 222

EPSON AcuLaser C1900/AcuLaser C900
C494MAIN BOARD
Table 7-3. C494MAIN Board -- Connectors
Connector
CN401 IEEE1284 parallel interface (Compatibility, Nibble, ECP)
CN402 USB I/F(USB 1.1)
CN405 Parallel I/F connector
CN406 Type-B I/F (Level 2 supported)
CN200 SDRAM-DIMM socket
CN300 ROM-DIMM socket (Code ROM-DIMM mounted)
CN800 Connector for connection to Engine Board (PWB-A)
Connector for connection to video signal output
CN801
(Connects differential output (+/-) via IC601 (LVDS))
Table 7-4. C494MAIN Board -- Jumpers
Jumper
Parallel I/F mode setting
JP102
(Short: ECP / Open: Nibble)
Intended market setting
JP103
(Short: Japan / Open: Other than Japan)
Initial value setting for paper size on tray
R190
(Short: Letter / Open: A4)
Note : Underlined = Setting at shipment from the factory (initial value)
Appendix
Function
Function
Connectors and Jumpers on Circuit Boards
Figure 7-2. Connector and Jumper Locations on C494MAIN Board
Revision B
222