Lexmark W840 Service Manual

Diagnostic information 2-95
4024-XXX
2 Check the roll.
Open the exit 2 left door assembly.
Is the exit 2 media transport roll assembly free of excess
wear and contamination?
Go to step 3. Clean or replace the
exit 2 unit assembly.
Go to “Exit 2 unit
assembly removal”
on page 4-192.
3 Check the drive power transmission.
Do the exit 2 media transport roll assembly and the
other gears rotate smoothly?
Go to step 4. Replace damaged
parts.
Go to “Exit 2 unit
assembly removal”
on page 4-192.
4 Check the roll.
Open exit 2 left door assembly.
Is the exit 2 media exit roll assembly free of excess wear
and contamination?
Go to step 5. Clean or replace the
exit 2 unit assembly.
Go to “Exit 2 unit
assembly removal”
on page 4-192.
5 Check the drive power transmission.
Do the exit 2 media exit roll assembly and the other
gears rotate smoothly?
Go to step 6. Replace damaged
parts.
Go to “Exit 2 unit
assembly removal”
on page 4-192.
6 Check the sensor (exit 2) for proper operation.
1. Enter Diagnostics mode.
2. Select BASE SENSOR TESTS.
3. Select Media Path.
4. Select Exit2.
Does the display on the operator panel change every
time the actuator on the above sensor operates?
Go to step 8. Go to step 7.
7 Check the sensor (exit 2) for proper connection.
Is the above sensor connected properly?
Replace the sensor
(exit 2).
Go to “Exit 2
sensor (exit 2)
removal” on
page 4-206.
Replace the
connection.
8 Check the exit 2 drive motor for proper operation.
1. Enter Diagnostics mode.
2. Select MOTOR TESTS.
3. Select Exit2 drive mtr.
Does the above motor rotate normally?
Go to step 10. Go to step 9.
9 Check the exit 2 drive motor for proper connection.
Is the above motor connected properly?
Replace the exit 2
unit assembly.
Go to “Exit 2 unit
assembly removal”
on page 4-192.
Replace the
connection.
10 Perform a print test.
Does the error still occur?
Replace the exit
interface card
assembly.
Refer to the Printer
Service Manual.
Go to step 11.
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