Dell 5110cn - Color Laser Printer User manual

Dell 5110cn
Service Manual
12 Nov 2007

Information in this document is subject to change without notice.
2010 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc.is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.
Other trademarks and trade names may be used in this document to refer to the entities claiming the marks and
names of their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than
its own.

Intro-1
Cautions for operation
Contents of this document may be subjected to modification without previous notice.
in this manual, or the use of this manual.
This document is protected by copyright. Do not photocopy or duplicate any part of this document in
any form without written permission from Dell Inc.
Dell Inc. will not assume responsibilityfor accidental or incidental damages resulting from technical
or editorial errors or omissionsin this manual, the issue of this manual, the execution of descriptions

Intro-2
1. About this manual
2. Marks giving caution
Maintenance operations requiring special cautions or additional information to descriptions of this
manual are presented as "Warning", "Caution", or "Note", according to their nature.
If instructions are not observed, death or serious injury may be caused.
If instructions are not observed, injuries of workers or physical damages to assets
(including this laser printer) may result.
Particularly important essentials for procedures, steps, rules, and others.
Reference Incidental information to descriptions.
3. Related documents
TInstruction manuals (standard manuals)
Describe operation and handling of this laser printer.
TPerformance specifications
Describe in detail various specifications of this laser printer.
(In the event of discrepancy between this manual and the performance specifications, the performance
specifications shall take preference.)
TVideo interface specifications
Detailed video interface specifications for this laser printer
TSpare parts list
Information on maintenance parts (spare parts) for this laser printer
This manual is a standard service manual of Dell Inc. containing information reTuired for maintenance
of this laser printer (standard specifications).

Intro-3
4. Safety
To prevent possible accidents during maintenance operation, you should observe strictly the "Warning"
and "Caution" information in this manual.
Dangerous operations and operations out of range of this manual should be absolutely avoided.
Generally various processes not covered by this manual may be required in actual operation, which
should be performed carefully always giving attention to safety.
4.1 Power source
Keep the power supply off during maintenance operation to prevent electric shock, burns and other
damages. Keep the power plug disconnected during the maintenance operation.
If the power supply should be kept connected for measurement of voltage or other similar reasons,
sufficient care should be given to prevent electric shock, by following the procedures of this manual.
While the printer is ON, never touch live parts if not required absolutely.
Power is supplied to the power unit (Low Voltage Power Supply ASSY) even while
the printer is off. Never touch its live components.
Do not touch live parts unless otherwise specified.
Ten00002KA

Intro-4
4.2 Driving units
When servicing gears or other driving units, be sure to turn them OFF and plug off. Drive them
manually when required.
Never touch the gears or other driving units while the printer is running.
4.3 High-temperature units
When servicing high-temperature units (securing unit, etc.), be sure to turn them OFF to prevent burns,
injuries and other troubles, remove the power plug and start service processes after they have cooled
down enough.
Immediately after completion of operation, they are still hot. Start services after
more than 40 minutes.

Intro-5
4.4 Laser beams
• If your eyes are exposed to laser beams, you may lose your eyesight.
• Never open the cover if warning label for laser beams is attached there.
• Before disassembling and reassembling this laser printer, be sure to turn it OFF.
• When servicing this laser printer while it is running, be sure to follow the
procedures specified in this manual.
• You should understand the features of the laser beams which are capable of
having an injurious action on the human body, not to extend the danger over the
workers as well as other people around the printer.
Laser beams have features as follows:
• Frequencies are smaller in width than other beams (sun and electric bulbs) and
phases are uniform so that high monochromatic and convergence performance
can be obtained and thin beams of light can reach places at a long distance.
• Due to the high convergence, beams are concentrated in high density and high
temperature, which is dangerous to human body.
Reference: Laser beams of this laser printer is invisible rays which you cannot see.
PRINT HEAD
Ten00003KA

Intro-6
4.5 Warning/caution labels
Warning labels and caution labels are attached to this laser printer to prevent accidents Check those
labels for their peeling or stain when servicing the printer.
4.5.1 Caution label for high-temperature units
4.5.2 Caution label regarding toner cartridge
Ida_Sec00_010FA
Ten00004KA

Intro-7
4.5.3 Caution label regarding Imaging Drum and Transfer Roller
Ida_Sec00_005FA
Ida_Sec00_009FA

Intro-8
4.5.4 Caution label regarding MPF and paper tray
4.5.5 Caution label regarding Developer Frame
Ida_Sec00_006FA
Ida_Sec00_007FA