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Brother HL-5350DN Service Manual

Brother HL-5350DN
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3-35
Confidential
4.3 Troubleshooting Image Defect
Image defect related problems are end user recoverable if following the User Check items. If
the same problem occurs, follow each procedure in the order of the number described in the
Step column in the tables below.
Light
<User Check>
- Check the machine's environment. Low temperature and low
humidity conditions can cause this problem.
- If the whole page is light, toner save mode may be on.
- Replace the toner cartridge or drum unit with a new one.
Step Cause Check
Result
Remedy
1
Dirt on exposure
drum electrode
Are the electrodes of the
drum unit and machine
body dirty?
Yes
Clean both electrodes.
(Refer to Fig. 3-2, Fig. 3-3.)
2
Dirt on scanner
windows of the
laser unit
Is the scanner windows
of the laser unit dirty? Yes
Wipe the dirt off with a soft,
clean, lint free cloth.
(Refer to Fig. 3-6.)
3
Toner sensor
failure
After replacing the toner
cartridge with a new
one, does the same
problem occur even
after printing several
pages?
No
Replace the toner
cartridge.
4
Does the machine start
printing even after
removing the toner
cartridge from the drum
unit?
Yes
Clean the toner sensor.
(receiving light side /
emitting light side)
Check the harness
connection of the toner
LED PCB ASSY.
(luminescence side)
Replace the toner sensor
PCB ASSY or toner LED
PCB ASSY.
5
Between the
HVPS PCB/Main
PCB connection
failure
Is the harness of the
HVPS PCB ASSY and
main PCB ASSY
connected correctly?
Yes
Reconnect the harness of
the HVPS PCB ASSY and
main PCB ASSY.
6
HVPS PCB
failure
Is the problem solved
after replacing the
HVPS PCB ASSY?
Yes
Replace the HVPS PCB
ASSY.
7
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
8
Laser unit failure Is the problem solved
after replacing the laser
unit?
Yes
Replace the laser unit.

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Brother HL-5350DN Specifications

General IconGeneral
ColorNo
N-up printing4, 9, 16, 25
Print technologyLaser
Maximum resolution1200 x 1200 DPI
Economical printingYes
Time to first page (black, normal)8.5 s
Print speed (black, normal quality, A4/US Letter)30 ppm
Internal memory32 MB
Processor modelNEC VR5500
Maximum internal memory544 MB
Sound power level (standby)35 dB
Sound pressure level (printing)54 dB
Total input capacity250 sheets
Total output capacity150 sheets
Multi-Purpose tray input capacity50 sheets
Maximum print size216 x 356 mm
Media weight (tray 1)60 - 105 g/m²
Non-ISO print media sizesLetter
ISO A-series sizes (A0...A9)A4, A5, A6
ISO B-series sizes (B0...B9)B5, B6
Maximum ISO A-series paper sizeA4
Multi-Purpose Tray media weight60 - 163 g/m²
Supported network protocols (IPv4)IPv4: ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS name resolution, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Server, TELNET Server, HTTP/HTTPS server, SSL/TLS, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD responder, WebServicesPrint, IPv6: NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Server, TELNET Server, HTTP/HTTPS server, SSL/TLS, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMPv6, LLTD responder, WebServicesPrint
Networking features10/100 Base-TX
Power consumption (active)675 W
Compatible operating systemsWindows: Vista, 2000 Prof., XP Home Edition, XP Prof. Edition (32 & 62 bits), Server 2003 (32 & 64 bits), Server 2008. MacIntosh: Mac OS X 10.3.9 + Linux
Power consumption (standby)75 W
Power consumption (PowerSave)6 W
Package weight11500 g
Weight and Dimensions IconWeight and Dimensions
Dimensions (WxDxH)371 x 384 x 246 mm

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