hp Color 9850mfp OTHER CONTROLS D. C (BK) This counts up in conjunction with the paper exit counter. E. C (K) This counts up in conjunction with the paper exit counter. F. Signals in serial connection II UNIT EXPLANATION G. Signals for status indicator lights 2-79 Connector Pin No. Signal name In/Out Description 37 1 OP SOUT _ Out Open collector output (LS07) 2 OP DTR _ Out Open collector output (LS07) 3 OP CTS _ In 5V Pull up 4 OP SIN _ In 5V Pull up 5 OP DSR _ In 5V Pull up 6 OP RTS _ Out Open collector output (LS07) 7 SGND — Signal ground 8 COPV ENB _ In 5V Pull up 9 24VDC — Power supplied to the vendor 10 PGND — Power ground 11 5VDC — Power supplied to the vendor Connector Pin No.
Signal name Description Output timing Type of signal 391 1A DC24V Power source of status indicator light At all times 24V, 500mA 9B PGND Power ground — — 2A PAT1 Light on signal L signal outputted when print is available Open collec- tor 5V, 200mA 3A PAT2 L signal outputted while scanner or printer in operation 4A PAT3 L signal outputted when stopped abnormally due to jamming, abnor- mal code, no paper or no toner 5A PAT4 L signal outputted when a toner supply warning is displayed