Ricoh Pro C901S Parts list manual

Replacement Guide: TCRU/ORU
Model Name:
Pro C901S/Pro C901
Read this manual carefully before using this machine and keep it handy for future reference.
1

How to Read This Manual
Introduction
This manual contains detailed instructions and notes on the operation and use of
this machine. For your safety and benefit, read this manual carefully before using
the machine. Keep this manual in a handy place for quick reference.
Symbols
This manual uses the following symbols:
WARNING
Indicates a potentially hazardous situation which, if instructions are not
followed, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if instructions are not
followed, may result in minor or moderate injury or damage to property.
Important:
Indicates points to pay attention to when using the machine, and explanations of
likely causes of paper misfeeds, damage to originals, or loss of data. Be sure to
read these explanations.
Note:
Indicates supplementary explanations of the machine's functions, and instructions
on resolving user errors.
[ ]
Indicates the names of keys that appear on the machine's display panel.
[ ] key
Indicates the names of keys on the machine's control panel.
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Important
•In no event will the company be liable for direct, indirect, special, incidental, or
consequential damages as a result of handling or operating the machine.
•The manufacturer shall not be responsible for any damage or expense that might
result from use of other than genuine parts with this machine.
Notes
•Contents of this manual are subject to change without prior notice.
•This manual covers several different models, and therefore contains functions
and settings that may not be available for your model. Images, illustrations, and
functions may differ from those of your model.
•Some illustrations in this manual might be slightly different from the machine.
Certain options might not be available in some countries. For details, please
contact your local dealer.
•Certain options might not be available in some countries. For details, please
contact your local dealer.
•Depending on which country you are in, certain units may be optional. For details,
please contact your local dealer.
3

Power Switch Symbols
Where symbols are used on or near switches on machines for Europe and other
areas, the meaning of each symbol conforms with IEC60417.
ON
STANDBY
Power Plug and Power Cord
1.
2.
3.
4.
5.
6.
7.
8.
Always make sure that the power plug is fully completely into the wall outlet. A
partially inserted plug could lead to heat generation (due to a power surge
caused by high resistance) that can result in fire and other problems.
Always check the power plug and make sure that it is free of dust and lint.
Clean it if necessary. A dirty plug can generate heat that can result in fire.
Inspect the length of the power cord for cuts or other damage. A frayed or
otherwise damaged power cord can cause a short circuit which could lead to a
fire or injury from electrical shock. If the power cord is damaged in any way, call
for service.
Check the length of the power cord between the machine and power supply.
Make sure the power cord is not coiled or wrapped around any object such as a
table leg. Coiling the power cord can cause excessive heat to build up and this
could result in fire.
Make sure that the area around the wall outlet is free of obstacles so the power
cord can be removed quickly in case of an emergency.
Make sure that the power cord is grounded (earthed) at the wall outlet using the
ground wire on the plug.
Insert the power cord into the wall outlet directly. Never use an extension cord.
When disconnecting the power plug from the wall outlet, always pull on the plug,
not the cable.
4

Safety Information
When using this machine, the following safety precautions should always be
followed.
Safety Precautions to be Followed
This section explains safety precautions that should always be followed when using
this machine.
Environments where the machine can be used
This section explains safety precautions about environments where the machine
can be used.
WARNING
•Protect the machine from dampness or wet weather, such as rain and snow.
•For environmental reasons, do not dispose of the machine or expended supply
waste at household waste collection points. Disposal can take place at an
authorized dealer.
CAUTION
•Keep the machine away from humidity and dust. Otherwise a fire or an electric
shock might occur.
•Do not place the machine on an unstable or tilted surface. If it topples over, an
injury might occur.
Handling power cords and power plugs
This section explains safety precautions about handling power cords and power
plugs.
WARNING
•Unplug the power cord from the wall outlet before moving the machine. While
moving the machine, take care that the power cord is not damaged under the
machine.
•When disconnecting the power plug from the wall outlet, always pull the plug
(not the cable).
Handling the main machine
This section explains safety precautions about handling the main machine.
WARNING
•If you use the machine in a confined space, make sure there is a continuous
air turnover.
•To prevent electrical shock, turn off the main power switch and disconnect the
ground wire from the machine and fixing heater.
5

Handling the machine's interior
This section explains safety precautions about handling the machine's interior.
WARNING
•Do not allow paper clips, staples, or other small metallic objects to fall inside
the machine.
•The inside of this machine gets very hot. Do not touch the parts with a label
indicating the “hot surface”. Otherwise, an injury might occur.
•The fusing section of this machine gets very hot. Caution should be taken
when removing misfed paper.
Handling the machine's supplies
This section explains safety precautions about handling the machine's supplies.
WARNING
•The fusing unit becomes extremely hot during operation, so to prevent minor
burns, turn the machine off and allow it to cool for at least 30 minutes before
you remove the fusing unit.
•The fusing unit weighs approximately 29 kg (63.9 lb.) so two people are
required to lift and move it. Handle it carefully when you remove it to avoid
dropping it and causing damage or minor injuries.
•Before replacing the developer, make sure that the machine's parts are all
closed.
CAUTION
•Keep toner (used or unused) and toner containers out of reach of children.
•Do not use aluminum foil, carbon paper, or similar conductive paper to avoid a
fire or machine failure.
•If toner or used toner is inhaled, gargle with plenty of water and move into a
fresh air environment. Consult a doctor if necessary.
•If toner or used toner gets into eyes, wash eyes immediately using lots of
water. Consult a doctor if necessary.
•If toner or used toner is swallowed, dilute it by drinking lots of water. Consult a
doctor if necessary.
•Avoid getting toner on your clothes or skin when removing a paper jam or
replacing toner. If your skin comes into contact with toner, wash the affected
area thoroughly with soap and water.
•If toner gets on your clothing, wash it using cold water. Hot water will set the
toner into the fabric and might make removing the stain impossible.
•When removing used toner filter, avoid getting toner (new or used) on your
skin. If toner comes into contact with your skin, wash the affected area
thoroughly with soap and water. Hot water will set the toner into the fabric and
make removing the stain impossible.
6

SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL
1. Do not incinerate toner bottles or used toner. Toner dust may ignite suddenly
when exposed to an open flame.
2. Dispose of used toner, developer, and organic photoconductors in
accordance with local regulations. (These are non-toxic supplies.)
3. Dispose of replaced parts in accordance with local regulations.
7

Table of Contents
How to Read This Manual ................................................................................... 2
Safety Information ............................................................................................... 5
1. Before You Begin..........................................................................10
1.1 What You Need ........................................................................................ 10
1.2 Names of Components ............................................................................. 11
1.3 Control Panel............................................................................................ 12
2. Common Procedures ...................................................................14
2.1 Turn the Machine off Before Beginning Any Procedure!........................... 14
2.2 Specifying System Auto-Reset Timer ....................................................... 15
2.3 Displaying the [Adjustment Settings for Skilled Operators] Button ........... 16
2.4 Accessing the Adjustment Settings for Skilled Operators ......................... 18
2.5 Resetting the Replaceable Parts Counter................................................. 20
2.6 Removing the Front Top Cover ................................................................ 21
2.7 Reattaching the Front Top Cover ............................................................. 22
3. Charger ..........................................................................................23
3.1 Removing the Charger.............................................................................. 23
3.2 Reinstalling the Charger ........................................................................... 26
4. Cleaning Unit for PCU ..................................................................27
4.1 Removing the Cleaning Unit for PCU ....................................................... 27U
4.2 Reinstalling the Cleaning Unit for PCU ..................................................... 30
5. Drum Unit ......................................................................................33
5.1 Removing the Drum Unit .......................................................................... 33
5.2 Reinstalling the Drum Unit ........................................................................ 35
6. Developer ......................................................................................38
6.1 Removing the Used Developer................................................................. 38
6.2 Adding New Developer ............................................................................. 42
7. Cleaning Unit for Intermediate Transfer Belt .............................45
7.1 Removing the Cleaning Unit for Intermediate Transfer Belt...................... 45
7.2 Installing the Cleaning Unit for Intermediate Transfer Belt........................ 48
8. Transfer Unit .................................................................................50
8.1 Removing the Transfer Unit...................................................................... 50
8.2 Installing the Transfer Unit........................................................................ 52
9. Fusing Unit ....................................................................................54
9.1 Removing the Fusing Unit ........................................................................ 54
9.2 Reinstalling the Fusing Unit ...................................................................... 58
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10.Toner Filter ....................................................................................60
10.1 Removing the Used Toner Filter ............................................................... 60
10.2 Installing the Toner Filter .......................................................................... 63
11.Paper Feed Roller Replacement ..................................................65
11.1 Before You Begin...................................................................................... 65
11.2 Wide Large Capacity Tray ........................................................................ 68
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1. Before You Begin
This manual is only for operators who have received training in the procedures
shown in this manual. General users are not to perform the procedures shown in
this manual.
•Never perform any procedure in this manual if you have not received proper
training.
•If you have received training and are not sure about how to do a procedure then
call for service.
•Even if you have received training, never attempt any procedure that is not
shown in this manual.
•Contents of this manual are subject to change without prior notice. In no event
will the company be liable for direct, indirect, special, incidental, or consequential
damages as a result of handling or operating this machine.
1.1 What You Need
Use only the tools and materials described in this manual. Use of other tools or
materials could damage the machine or cause injury.
RPG017S
cAccessory hex screwdriver
dBlack hex screws
3Developer bottle
4Drum setting powder pad applicator
You will need the following items:
•Accessory hex screwdriver c(provided). Needed to remove the black hex
screws dfrom the machine. The black screws in the machine are the only
screws that should be removed.
•Drum setting powder pad applicator (provided). Needed to apply a thin coated of
powder on the drum.
•Newspaper or other paper. Needed to cover your work surface and prevent toner
spillage from components removed from the machine.
Important: The accessory hex screwdriver and drum setting powder pad are
included in the kit that is supplied this machine. Keep this kit in a safe place where
you can find it later. If the kit is not available, contact your supervisor or call for
service.
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1.2 Names of Components
1 43
5
6
7
8
BZS006
2
1. Toner hopper cover
2. Inner cover (cleaning unit for intermediate transfer belt)
3. Inner cover (development unit drawer)
4. Control panel
5. Front top cover
6. LCT front cover
7. Right front cover
8. Left front cover
Parts, Screw Color Codes
•Handles and levers colored purple indicate where you should pull or lift a
component or part to move or remove it.
•Black screws are the screws you must remove in order to remove the unit or
component. Never remove screws of any other color.
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1.3 Control Panel
Pro C901S
BZS001
1
2
3
4
5
1. Number keys
2. Operation switch
3. User Tools key
4. Counter key
5. Start key
12

Pro C901
BZS002
1
2
3
4
5
1. Number keys
2. Operation switch
3. User Tools key
4. Counter key
5. Start key
13

2. Common Procedures
2.1 Turn the Machine off Before Beginning Any
Procedure!
WARNING
•To prevent electrical shock, turn off the main power switch and
disconnect the ground wire from the machine and fixing heater.
Before performing any procedure shown in this manual, always do the following:
1. Press the operation switch to turn the machine off.
2. After turning off the operation switch, turn off the main power switch.
3. Wait a few seconds, and then disconnect the ground leakage circuit breaker
from the machine and fixing heater.
BZS007
The operation switch is on the control panel. (See p.12 "Control Panel".)
The main power switch is in the upper left corner behind the front left cover.
14

2.2 Specifying System Auto-Reset Timer
To prevent the machine switching screens while you are replacing parts, set
[System Auto Reset Timer] to "Off". Once work is finished, return the setting to
"On", if necessary.
Note: For details about changing this setting, see General Settings Guide, which
is supplied with this machine.
15

2.3 Displaying the [Adjustment Settings for Skilled
Operators] Button
To use the Adjustment Settings for Skilled Operators menu, you must first
configure your machine's Administrator Authentication Management setting.
1. Press the [User Tools] key on the control panel.
BZS003
2. Press [System Settings] on the display.
3. Press [Administrator Tools].
4. Press [ Next].
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5. Press [Administrator Authentication Management].
6. Press [Machine Management].
7. Select [On] for "Admin. Authentication".
8. Press [OK].
9. Press [Exit].
The [Adjustment Settings for Skilled Operators] button appears.
17

2.4 Accessing the Adjustment Settings for Skilled
Operators
1. Press [Adjustment Settings for Skilled Operators].
If the [Adjustment Settings for Skilled Operators] key does not appear, follow
the procedure under "Displaying the [Adjustment Settings for Skilled Operators]
Button" on p.16.
2. Press [Login].
3. Enter your login user name, and then press [OK].
If you are logging on as the administrator for the first time, enter "admin".
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4. Enter your login password, and then press [OK].
The screen appears for Adjustment Settings for Skilled Operators.
19

2.5 Resetting the Replaceable Parts Counter
1. Access the Adjustment Settings for Skilled Operators menu.
2. Press [ Next].
3. Press [Reset Replaceable Parts Counter].
4. Press the button of the part that has been replaced.
5. Press [OK].
The counter for the replaced component is reset. The setting for adjusting the
machine for the replaced component is executed automatically.
6. Press [Back].
7. Press [Replaceable Parts Counter].
8. Make sure the counter has reset.
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