Lexmark W840 Service Manual

Repair information 4-99
4024-XXX
2000-sheet dual input (TTM)—media feed unit drive gear 28 / 21 tooth removal
1. Remove the media feed unit assembly. See “2000-sheet dual input (TTM)—media feed unit assembly
removal (tray 3)” on page 4-85 or “2000-sheet dual input (TTM)—media feed unit assembly removal
(tray 4)” on page 4-80.
2. Remove the harness from the bracket (A).
3. Remove the three screws securing the bracket (A) to the media feed unit assembly.
4. Remove the bracket (A).
Note: The gears may become detached from the bracket (A).
5. Remove the feed unit drive gear - 28 tooth / 21 tooth (B).
Note: Before re-installing, ensure all gears and washers are securely attached to the bracket (A).
Washer
Clamp
Rear
A
Rear
Harness
B

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