Lexmark M3250 Service Manual

Toner density error service check
Action Yes No
Step 1
Reseat the toner density sensor cable. See
“Sensor (toner
density) removal” on page 222.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Remove the toner cartridge and imaging unit.
b Clean and check both units for toner leaks.
Are the toner cartridge and imaging unit free of leaks?
Go to step 3. Replace the aected
toner cartridge and
imaging unit, and
then go to step 3.
Step 3
a Remove the transfer roller to access the area underneath it. See
“Transfer roller removal” on page 206.
b Clear the area of dust and toner contamination.
c Remove tray 1, and then manually actuate the toner density
sensor wiper by moving the pick roller up and down.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
a Remove the sensor (toner density). See “Sensor (toner
density) removal” on page 222.
b Check the sensor and its wiper bracket for damage.
Are the sensor and its wiper bracket free of damage?
Go to step 5. Go to step 6.
Step 5
a Clean, and then reinstall the sensor and its wiper bracket. Add
lubrication to the wiper bracket if necessary. See
“Sensor
(toner density) removal” on page 222.
b Check the pick roller cam for damage.
Note: The rotation of the pick roller cam triggers the
movement of the wiper bracket.
Is the pick roller cam free of damage?
Go to step 6. Go to step 7.
Step 6
Replace the sensor (toner density). See
“Sensor (toner density)
removal” on page 222.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Replace the pick roller cam. See
“Pick roller assembly removal”
on page 230.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4600-830, -835, -895
Diagnostics and troubleshooting
117

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