Lexmark MS821 Service Manual

Action Yes No
Step 6
Reinstall, clean, or replace the pick roller. See
“Pick roller removal”
on page 503.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
a Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b Find the sensor (Pass-through (tray 3)).
Does the sensor status change while toggling the sensor?
Go to step 11. Go to step 8.
Step 8
a Remove the optional tray left cover. See “250‑ and 550-sheet
tray left cover removal” on page 496.
b Check the sensor cable on the optional tray controller board
for proper connection.
Is the cable properly connected?
Go to step 10. Go to step 9.
Step 9
Reseat the cable.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the sensor. See
“Sensor (250‑ and 550-sheet tray
pass‑through) removal” on page 507.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Remove the source tray insert, and then check if the following
components are functional and free of damage:
• Paper guides
• Lift plate
Note: Move the components or turn gears to check for proper
mechanisms.
Are the tray insert and its components functional and free of
damage?
Go to step 13. Go to step 12.
Step 12
Replace the tray insert.
Does the problem remain?
Go to step 13. The problem is
solved.
4064
Diagnostics and troubleshooting
175

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