Lexmark MS321 Service Manual

Controller board connectors
Connector Connects to Pin no. Signal
JDRC1 Cartridge smart chip contact 1 +3.3V
2DAT_SC_CN1
3 CLK_SC_CN1
4Ground
JDRC2 Imaging unit smart chip contact 1 3.3V
2 I2C_DAT_SC_CN2
3 I2C_CLK_SC_CN2
4Ground
JCART1 Motor (toner cartridge) 1 V_5CART_1 +5V
2S_CART_ENC_CN
3Ground
JBARR1 Sensor (cartridge barrel) 1 V_5V_BARR +5V
2S_TONER_LOW
3Ground
JUICC24 2.4‑inch control panel FFC N/A N/A
JUICC2L1 2‑line control panel FFC N/A N/A
JDUPSOL1 Reverse solenoid 1 24V
2 V_DUPSOL_CN_N
JPH1 Printhead 1 LDEN_C
2BOOST_CN
3VDO_ADJ_C
4Ground
5LPOWER_C
6SHADE_CN
7Ground
8VIDEO -
9VIDEO +
10 no connection
11 HSYNC_CN
12 PH_+5V
JNRW1 Sensor (narrow media) 1 V_3.3V_TRAY1_P
2JNRW1
3Ground
4600-830, -835, -895
Component locations
250

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