Xerox WorkCentre 3550 Service Manual

April 2010
4-21
Phaser 3635MFP/WorkCentre 3550
REP 7.1, REP 7.2
Repairs and Adjustments
REP 7.1 Bypass Feed Assembly
Parts List on PL 7.10
Removal
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
CAUTION
Before performing this procedure, refer to GP 10 General Disassembly Precautions.
1. Remove the DADF, PL 5.10 Item 1.
2. 3635 only. Remove the UI assembly, REP 2.1.
3550 only. Remove the UI assembly, REP 2.3.
3. Remove the scanner assembly, REP 14.1.
4. Remove the front cover assembly, PL 28.10 Item 7.
5. Remove the front mid cover, REP 28.3.
6. 3635 only. Disconnect CN37 from the Main PWB.
3550 only. Disconnect CN28 from the Main PWB.
7. Remove the bypass feed assembly, Figure 1.
Figure 1 Bypass feed removal
Replacement
1. Replacement is the reverse of the removal procedure.
REP 7.2 Registration Solenoid and Tray 1 Pickup Solenoid
Parts List on PL 8.25
Removal
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
WARNING
Take care during this procedure. Sharp edges may be present that can cause injury.
CAUTION
Before performing this procedure, refer to GP 10 General Disassembly Precautions.
1. Remove the left cover, REP 28.1.
2. Remove the main drive assembly, refer to REP 4.1.
3. 3635 only. Disconnect CN36 on the Main PWB.
3550 only. Disconnect CN29 on the Main PWB.
4. Remove the relevant component:
• Tray 1 pickup solenoid, PL 8.25 Item 19.
• Registration solenoid, PL 8.25 Item 18.
Replacement
1. Replacement is the reverse of the removal procedure.
1
Remove 4 screws, then remove the
bypass feed assembly.

Xerox WorkCentre 3550 Specifications

General

Print technology	-
Maximum resolution	600 x 600 DPI
Economical printing	Yes
Duplex printing mode	Auto
Warm-up time (from sleep mode)	15 s
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	35 ppm
Duplex print speed (black, normal quality, A4/US Letter)	17 ppm
Paper input type	Paper tray
Total input capacity	550 sheets
Total output capacity	250 sheets
Total number of input trays	1
Maximum number of input trays	2
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	60 sheets
Custom media width	148 - 210 mm
Custom media length	216 - 356 mm
Paper tray media types	Heavy paper, Lightweight paper, Plain paper, Recycled paper
Paper tray media weight	60 - 105 g/m²
Multi-purpose tray media types	Bond paper, Envelopes, Heavyweight paper, Labels, Letterhead, Plain paper, Recycled paper, Transparencies
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Paper tray media weight (imperial)	16 - 28 lbs
Auto Document Feeder (ADF) media weight	50 - 120 g/m²
Multi-Purpose Tray media weight (imperial)	16 - 43 lbs
Auto Document Feeder (ADF) media weight (imperial)	12 - 28 lbs
Internal memory	256 MB
Maximum internal memory	512 MB
Sound power level (standby)	39 dB
Sound pressure level (printing)	55 dB
Maximum duty cycle	75000 pages per month
Page description languages	PCL 5e, PCL 6, PostScript 3
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Wi-Fi	No
Security algorithms	802.1x RADIUS
Mac operating systems supported	Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2
Windows operating systems supported	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 Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional x64
Maximum number of copies	999 copies
N-in-1 copy function (N=)	2, 4
Time to first copy (black, normal)	10 s
Faxing	Mono faxing
Fax memory	7 MB
Modem speed	33.6 Kbit/s
Fax forwarding to	E-mail, FTP, Fax, PC, SMB
Fax coding methods	JBIG, JPEG, MH, MMR (Fax coding method), MR
Product color	Blue, Grey
Market positioning	Business
Scan to	E-mail, FTP, OCR, PC, SMB, USB
Scanner type	ADF scanner
Maximum scan area	216 x 356 mm
Scan speed (black)	26 ppm
Scan speed (color)	8 ppm
Image formats supported	JPG
Document formats supported	PDF
Optical scanning resolution	300 x 300 DPI
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	60 W
Power consumption (printing)	600 W
Power consumption (PowerSave)	20 W
Power consumption (average operating)	- W
Sustainability certificates	ENERGY STAR
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	20 - 80 %
Package depth	619 mm
Package width	676 mm
Package height	696 mm
Package weight	29700 g
Certification	UL, CE, FCC

Weight and Dimensions

Depth	488 mm
Width	582 mm
Height	553 mm