Service manual

5-14 Samsung Electronics

PIN PIN

I/O

CIRCUIT DESCRIPTION

NAME NO. NAME

GIP 0 12 I /START-KEY -

FAX START / COPY KEY

PRESSED

GIP 1 13 I /CART-KEY -

CARTRIDGE CHANGE KEY

PRESSED

GIP 2 14 I /POW-KEY -

POWER(READY) KEY

PRESSED

GIP 3 15 I /STOP-KEY -

FORM FEED / STOP KEY

PRESSED

GIP 4 17 I THMST CCD LAMP OVER HEAT CCD LAMP NORMAL

GIP 5 18 I /RINGDET -

RING DETECTION FROM

TEL LINE

GIP 6 19 I /HOOK-OFF EXTERNAL PHONE HOOK ON

EXTERNAL PHONE HOOK OFF

GIP 7 20 I HOME-SEN PRINT HEAD PARKING PRINT HEAD MOVING

GOP 0 2 O SHAD-ON SHADING ENABLE -

GOP 1 3 O /SHAD-RST

SHADING REFERENCE CLEAR

GOP 2 4 O POW-LED POWER (READY) LED ON POWER(READY) LED OFF

GOP 3 5 O BUSY-LED BUSY LED ON BUSY LED OFF

GOP 4 7 O SCAN-LED FAX LED ON FAX LED OFF

GOP 5 8 O CML-CTL

FAX OR TEL LINE CONNECTED

EXT. PHONE CONNECTED

GOP 6 9 O LAMP-5V CCD MODULE RETURN (+5V) -

GOP 7 10 O LAMP-12V CCD LAMP ON (+11.75V) -

5-1-4-3 CIP1A I/O Port