Lexmark M3250 Service Manual

Left cover removal ..................................................................................................................................................... 177
Main drive gearbox removal....................................................................................................................................178
MPF gearbox removal ...............................................................................................................................................179
Fuser actuator removal.............................................................................................................................................182
Reverse solenoid removal .......................................................................................................................................183
Cartridge gearbox removal......................................................................................................................................184
MPF solenoid removal ..............................................................................................................................................185
Right side removals.........................................................................................................................................186
Right cover removal...................................................................................................................................................186
Interconnect cable removal.....................................................................................................................................188
Sensor (tray present) removal.................................................................................................................................189
Cooling fan removal...................................................................................................................................................190
Controller board removal.........................................................................................................................................194
Toner cartridge smart chip contact removal .......................................................................................................195
Cartridge barrel shutter sensor kit removal ........................................................................................................198
Front removals..................................................................................................................................................201
Nameplate removal....................................................................................................................................................201
MPF with front access cover removal...................................................................................................................201
Control panel assembly removal (MS621dn)..................................................................................................... 202
Control panel assembly removal (MS622de and MS622dte) .......................................................................203
Control panel (2.4‑inch display) cover, buttons, and board removal...........................................................204
Control panel (4.3‑inch display) cover, buttons, and board removal ......................................................... 205
Transfer roller removal ............................................................................................................................................ 206
Jam access cover removal .................................................................................................................................... 206
Sensor (front door) removal....................................................................................................................................207
MPF pick roller and separator pad removal...................................................................................................... 209
Sensor (MPF paper present) removal ...................................................................................................................212
Front input guide removal........................................................................................................................................213
Front USB port removal............................................................................................................................................213
Bottom removals..............................................................................................................................................216
Power supply removal...............................................................................................................................................216
Duplex assembly removal........................................................................................................................................218
Sensors (duplex and input) removal.................................................................................................................... 220
Sensor (index) removal ............................................................................................................................................222
Sensor (toner density) removal..............................................................................................................................222
Sensor (paper present) removal............................................................................................................................224
Sensor (trailing edge) removal...............................................................................................................................226
Paper present sensor flag removal.......................................................................................................................228
Pick roller assembly removal..................................................................................................................................230
Pick/lift motor gearbox removal.............................................................................................................................232
Rear side removals.........................................................................................................................................234
Rear door and cover removal.................................................................................................................................234
Fuser removal.............................................................................................................................................................234
Sensor (bin full) removal..........................................................................................................................................235
4600-830, -835, -895
Table of contents
6

Lexmark M3250 Specifications

General

Color	No
Duplex printing	Yes
Print technology	Laser
Time to first page (black, normal)	6 s
Print speed (black, normal quality, A4/US Letter)	50 ppm
Printing colors	Black
Maximum duty cycle	175000 pages per month
Recommended duty cycle	2000 - 20000 pages per month
Number of print cartridges	1
Page description languages	-
Paper input type	Paper tray
Total input capacity	650 sheets
Total output capacity	250 sheets
Maximum input capacity	2300 sheets
Maximum number of input trays	4
Multi-Purpose tray input capacity	100 sheets
Envelopes sizes	7 3/4, 9, 10, DL
Paper tray media types	Card stock, Envelopes, Labels, Plain paper, Transparencies
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size), Oficio (media size), Statement (140 x 216mm), Universal
ISO A-series sizes (A0...A9)	A4, A5, A6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Mobile printing technologies	Apple AirPrint, Google Cloud Print, Mopria Print Service
USB connector	USB Type-A / USB Type-B
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Processor cores	2
Processor frequency	1000 MHz
Sound pressure level (printing)	55 dB
Operating altitude	0 - 2896 m
Operating temperature (T-T)	16 - 32 °C
Operating relative humidity (H-H)	8 - 80 %
Sustainability certificates	EPEAT Silver, ENERGY STAR
Power consumption (printing)	- W
Control type	Touch
Product color	Black, White
Display diagonal	4.3 \
Market positioning	Business

Weight and Dimensions

Depth	373.4 mm
Width	398.8 mm
Height	302.3 mm