Lexmark MS821 Service Manual

Maintenance
Inspection guide
The purpose of this inspection guide is to aid you in identifying the intervals, based on page count, at which
parts must be inspected (for visible physical damage), cleaned, or replaced.
If any unsafe conditions exist, find out how serious the hazard could be and if you can continue before you
correct the hazard.
As you service the machine, check for the following:
• Damaged, missing, or altered parts, especially in the area of the On/O switch and the power supply
• Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover
• Possible safety exposure from any non-Lexmark attachments
• Printer and options are sitting flat (for example, not sitting on cables or hanging over a ledge)
• Printer is properly set on any options
Use the following table to determine when specified parts should be inspected:
MS725 Inspection guide table
PART/ITEM EVERY SERVICE
CALL
EVERY 200K NOTES
Tray insert
• Width paper guide
• Length paper guide
Inspect Replace Check for correct
positioning.
Separator pad Inspect, clean if
needed
Replace Clean with a damp
cloth.
Tray pick roller Inspect, clean Replace Clean with a damp
cloth.
MPF pick roller Inspect, clean Inspect, clean Clean with a damp
cloth.
Transfer roller Inspect Replace Ensure correct
installation.
Fuser Inspect Replace Ensure correct
installation.
Fuser wiper Inspect Replace Ensure correct
installation.
Rear door Inspect Inspect Ensure correct
operation and closure.
Duplex paper path Inspect Inspect Check for paper
fragments and
obstructions.
Toner spillage Clean Clean Remove all toner
spillage from the
printer.
4064
Maintenance
757

Lexmark MS821 Specifications

General

USB connector	USB Type-A / USB Type-B
Direct printing	Yes
Standard interfaces	Ethernet, USB 2.0
Optional connectivity	Parallel, Serial (RS-232), Wireless LAN
USB 2.0 ports quantity	2
Color	No
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	4.5 s
Print speed (black, normal quality, A4/US Letter)	52 ppm
Display	LCD
Certification	ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62301 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, MET-I, ISO 532B, ECMA-370, TED, GOST-R, SII, TER
Product color	Black, White
Display diagonal	2.4 \
Market positioning	Enterprise
Power consumption (ready)	39 W
Power consumption (printing)	670 W
Energy Star Typical Electricity Consumption (TEC)	2.1 kWh/week
Country of origin	China
Maximum duty cycle	250000 pages per month
Recommended duty cycle	3000 - 50000 pages per month
Number of print cartridges	1
Page description languages	Microsoft XPS, PCL 5e, PCL 6, PDF 1.7, PPDS, PostScript 3, XPS
Internal memory	512 MB
Processor frequency	1000 MHz
Maximum internal memory	4608 MB
Sound pressure level (printing)	57 dB
Sound pressure level (duplex printing)	56 dB
Mac operating systems supported	Mac OS X 10.1 Puma, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Fedora 23, Fedora 24, Fedora 25, Fedora 26, Fedora 27, RedHat EL Linux 7.0, Ubuntu 16.04, Ubuntu 16.10, Ubuntu 17.10, openSUSE 13.2, openSUSE 42.3
Server operating systems supported	SUSE Linux Enterprise Server 10, SUSE Linux Enterprise Server 11, SUSE Linux Enterprise Server 12
Windows operating systems supported	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
Paper input type	Paper tray
Total input capacity	550 sheets
Maximum input capacity	4400 sheets
Multi-Purpose tray input capacity	100 sheets
Envelopes sizes	7 3/4, 9, 10, B5, C5, DL
Paper tray media types	Card stock, Envelopes, Labels, Plain paper, Transparencies
Paper tray media weight	60 - 176 g/m²
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
Multi-purpose tray media types	Envelopes, Labels, Plain paper, Transparencies
Maximum ISO A-series paper size	A4
Sustainability certificates	Blue Angel, ENERGY STAR
Operating altitude	0 - 2896 m
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	8 - 80 %
Package depth	650 mm
Package width	550 mm
Package height	565 mm
Package weight	29900 g
Cabling technology	10/100/1000Base-T(X)
Security algorithms	802.1x RADIUS, IPSEC, LEAP, MD5, MSCHAPv2, PEAP, SNMPv3, TTLS, HTTPS, SNMP, SNMPv3, SSL/TLS, TTLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Cables included	AC

Weight and Dimensions

Depth	510 mm
Width	428 mm
Height	445 mm
Weight	25400 g