Lexmark W840 Service Manual

2-74 Options Service Manual
4024-XXX
3 Check the sensor (registration) in the printer for proper
operation.
1. Enter Diagnostics mode.
2. Select BASE SENSOR TESTS.
3. Select Media Path.
4. Select Registration.
Open the printer left door assembly.
Does the display on the screen change every time the
actuator on the above sensor operates?
Go to step 5. Go to step 4.
4 Check the sensor (registration) for proper connection.
Is the above sensor connected properly?
Replace the sensor
(registration).
Refer to the Printer
Service Manual.
Replace the
connection.
5 Check the media transport motor for proper operation.
Perform a print test from tray 5.
Does the above motor rotate normally?
Go to step 7. Go to step 6.
6 Check the HCF media transport motor for proper
connection.
Is the above motor connected properly?
Replace the HCF
media transport
motor.
Go to “HCF media
transport motor
assembly removal”
on page 4-150.
Replace the
connection.
7 Perform a print test.
Does the error still occur?
Replace the HCF
controller card
assembly.
Go to “HCF
controller card
assembly removal”
on page 4-152.
Go to step 8.
Problem solved.
8 Perform a print test.
Does the error still occur?
Replace the printer
engine card
assembly.
Refer to the Printer
Service Manual.
Problem solved.
Step Check Yes No

Lexmark W840 Specifications

General

Color	No
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	6.8 s
Print speed (black, normal quality, A4/US Letter)	50 ppm
Internal memory	256 MB
Sound power level (standby)	28 dB
Sound pressure level (printing)	54 dB
Total input capacity	1100 sheets
Total output capacity	500 sheets
Maximum input capacity	5100 sheets
Display	LCD
Maximum print size	297 x 420 mm
Media types supported	Plain paper, envelopes, card stock, transparencies, paper labels
Media weight (tray 1)	Plain paper: 64 to 216 g/m2; Card stock: up to 199 g/m2 Index
Maximum ISO A-series paper size	A3
Page description languages	PDF 1.5, PPDS
I/O ports	USB, Parallel, 1 internal solutions port (ISP)
Mac compatibility	Yes
Compatible operating systems	Windows, Linux, UNIX, Mac, NetWare and OS/400
Recommended operating temperature range (T-T)	16 - 32 °C
Sustainability certificates	ENERGY STAR
Power consumption (standby)	9 W
Power consumption (printing)	700 W
Power consumption (PowerSave)	105 W
Bundled software	MarkVision Professional
Operating relative humidity (H-H)	8 - 80 %

Weight and Dimensions

Dimensions (WxDxH)	616 x 520 x 475 mm