April 2010
1-5
Phaser 3635MFP/WorkCentre 3550
SCP 4, SCP 5
Service Call Procedures
Power Failure
If the machine fails to switch on, go to the 01A Power Failure RAP.
Stapler Faults
If the machine has a stapler fault, go to the OF5 Stapler Fault RAP.
UI Faults
If the machine is on but the UI is blank, go to the OF2 UI, Touch Screen Error RAP.
Unusual Noise
If the machine is making an unusual noise, go to the OF1 Audible Noise RAP.
USB Thumb Drive Faults
If the machine does not recognize that a USB thumb drive is inserted, go to the 02-100, 200
USB Faults RAP.
Additional Information
If necessary, refer to the following general procedures and information:
• GP 1 Diagnostics Entry
• GP 2 Fault Codes and History Files
• GP 3 Machine Status
• GP 4 System Administration Tools
• GP 5 Reports
• GP 6 Firmware Upgrade
• GP 7 Machine Specifications
• GP 8 DADF Document Feeding Specifications
• GP 9 Paper and Media Specifications
• GP 10 General Disassembly Precautions
• GP 11 Service Information
• GP 12 User Interface Tests Description
• GP 13 Installation Space Requirements
• GP 14 Glossary of Terms, Acronyms and Abbreviations
• GP 15 Shading Test
• GP 16 High Frequency Service Items
• GP 17 Restriction of Hazardous Substances (RoHS)
• GP 18 Scan Edge (3635 Only)
• GP 19 Memory Clear
SCP 5 Subsystem Maintenance
Subsystem Maintenance contains information regarding the component life of the machine.
Procedure
Go to the relevant procedure:
• Component Life
• HFSI
Component Life
The design life of the major components are shown in Table 1. Environmental conditions and
actual use will vary these factors. The component life shown in Table 1 is for reference only.
HFSI
The High Frequency Service Items are shown in Table 2. To change or record HFSI settings,
refer to GP 16 High Frequency Service Items.
Table 1 Component life expectancies
Part Component life Parts list reference
DADF retard pad assembly 50k feeds PL 5.30 Item 2
DADF pickup roll assembly 80k feeds PL 5.25 Item 2
Tray 1 pickup roll assembly 150k feeds PL 10.22 Item 14
Tray 2 pickup roll assembly 150k feeds PL 8.17 Item 31
Transfer roll 100k prints PL 9.10 Item 2
Fuser assembly 100k prints PL 10.10 Item 1
3635 only. Starter print cartridge
Print cartridge
5K prints
10K prints
PL 9.10 Item 1
3550 only. Starter print cartridge
Print cartridge
5K prints
11K prints
PL 9.10 Item 1
Table 2 High frequency service items
Item Component Description
The
recommended
life for new
component
installation
Parts list
reference
Tray 1 Pickup
Roll
Tray 1 pickup
roll assembly
All sheets fed from tray 1
after last HFSI install.
150k feeds PL 10.22 Item 14
Tray 2 Pickup
Roll
Tray 2 pickup
roll assembly
All sheets fed from tray 2
after last HFSI install.
150k feeds PL 8.17 Item 31
Bypass
Pickup Roll
Bypass tray
pickup rubber
All sheets fed from the
bypass tray after last
HFSI reset.
150k feeds PL 7.10 Item 26
Transfer Roll Transfer roll The total sides of copies
and prints after the last
HFSI reset.
100k impres-
sions
PL 9.10 Item 2
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General
Weight and Dimensions
