Lexmark MS321 Service Manual

Connector Connects to Pin no. Signal
JTHM1 Belt fuser 1 A_FUSER_TH_C +2V_ADC
2Ground
JFAN1 Cooling fan 1 V_MAIN_FAN24V
2Ground
3 MAIN_FAN_ENC_R
JEXIT1 Sensor (exit) 1 V_5V_PAPER_OUT
2 S_PAPER_OUT_C
3Ground
JUSBD1 USB connector with flange 1 V_USBD_5V
2 USB_DEV_N
3 USB_DEV_N
4 USB_DEV_GND
JRIP1 Debug port 1 Ground
2RXD0_RIP_CN
3TXD0_RIP_CN
4JRIP_100_+5V
JOPT1 Resettable fuse 1 24V_F_OPT
2 S_OPT_TXR
3S_INPUT_FDT
4 S_OPT_RXR
5Ground
65V_PHD
JTDS1 Sensor (toner density) 1 S_TDS_LED_PWM
2 S_A_TDS_C
3 no connection
4V_TDS+5V_C
JDUPPI1 Sensor (duplex and input) 1 V_5V_DUPLEX
2S_DUPLEX_C
3 no connection
4V_5V_DUPLEX
5S_PAPER_IN_C
6Ground
JFEED1 Feed solenoid 1 V_FDSOL +24V_MSF
2V_FDSOL
4600-830, -835, -895
Component locations
251

Lexmark MS321 Specifications

General

Print Technology	Monochrome Laser
Memory	256 MB
Display	2-line LCD
Processor Speed	1 GHz
Maximum Monthly Duty Cycle	50, 000 pages
Recommended Monthly Page Volume	500 - 5000 pages
Input Capacity	250 sheets
Output Capacity	150 sheets
Connectivity	USB, Ethernet
Network Connectivity	Ethernet
Supported Operating Systems	Windows, Mac, Linux
Print Resolution	Up to 1200 x 1200 dpi