Ricoh K-C3.5L Manual

Model K-C3.5L
1
RicohCo.Ltd.http://www.ricoh.com/
Slide 1
Model K-C3.5L
Service Training
K-C3.5L: Started 26 November, 2010
First draft: 2 December, 2010
Release 3 December, 2010
8 December, 2010: Several slides modified for easier Chinese translation. No
content changes.

Model K-C3.5L
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Slide 2
Contents
1. Product Outline
2. Specifications
3. Installation
4. Machine Overview
5. Scanner
6. Image Processing
7. Laser Exposure
8. PCU
9. Drum Charge
10. Development & Toner
Supply
11. Drum Cleaning & Toner
Recycling
12.Transfer and Separation
13.Paper Feed
14.Fusing
15.Paper Exit
16.Duplex
17.Peripherals
ADF (DF2000)
ARDF (DF2010)
One-Tray Paper Tray (PS460)
One-Tray Paper Tray (PS450)
One-Bin Tray (PT340)
18.Maintenance
19.Troubleshooting
20.Environmental
Conservation
No additional notes.

Model K-C3.5L
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Slide 3
Model K-C3.5L
Service Training
1. Product Outline
No additional notes.

Model K-C3.5L
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Slide 4
Product Codes
There are two versions of Model K-C3.5L –
K-C3.5Lb (simplex) and K-C3.5Lcd (duplex).
K-C3.5Lb Product Codes
B268-50 (Asia-Pacific)
B268-59 (Taiwan)
B276-67 (Europe)
K-C3.5Lcd Product Codes
B269-49 (Asia-Pacific)
B269-59 (Taiwan)
B244-61 (China)
B277-67 (Europe)
Note: In this course we will refer to the two versions
as K-C3.5Lb and K-C3.5Lcd.
No additional notes.

Model K-C3.5L
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Slide 5
The Machine
This is the machine you will
study in this training course.
Note the following:
Paper trays
Bypass tray
» On right side of machine
– See next slide
Operation panel
ADF/ARDF (optional)
No additional notes.

Model K-C3.5L
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Slide 6
Bypass Tray
By-pass Tray
No additional notes.

Model K-C3.5L
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Slide 7
Operation Panel
Start
Error
Load Paper
Add Toner Display Selection Scroll Clear/
Stop
Main Power
Indicator
Operation
Switch
# key
Escape
Lighter/
Darker
Sort Number
Keys
OK
Original
Type
Clear
Modes
User Tools/
Counter
No additional notes.

Model K-C3.5L
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Slide 8
External
Part Names
Paper Tray
Front Cover
Operation Panel
Main Power Indicator
Main Power Switch
Internal Tray
Internal Tray
Exposure Glass
Platen Cover/
ADF (optional)
Operation Switch
"Operation Switch" refers to the Operation Panel Power Switch.

Model K-C3.5L
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Slide 9
Standard Components
250
250
250
K-C3.5Lb Mainframe K-C3.5Lcd Mainframe
•Copy/Printer/Twain Scanner
•16MB Memory
•16MB+32MB memory (w/o NIC model)
•250-sheet x1 tray
•100-sheet bypass tray
•250-sheet output tray
•USB 2.0
•Copy/Printer/Twain Scanner
•Duplex
•16MB Memory
•16MB+32MB memory (w/o NIC model)
•250-sheet x2 tray
•100-sheet bypass tray
•250-sheet output tray
•USB 2.0
No additional notes.

Model K-C3.5L
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Slide 10
The external optional
units are shown to the
right.
Internal option:
NIC (Network
interface card)
Optional Units
1. Platen Cover
2. ADF
3. ARDF: Only for K-C3Lcd
4. 1 Bin Tray: Only for K-C3Lcd
500
5. 1-tray paper bank
500
500
6. 2-tray paper bank
7. Accessibility handles for standard and
optional trays
No additional notes.

Model K-C3.5L
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Slide 11
Model K-C3.5L
Service Training
2. Specifications
No additional notes.

Model K-C3.5L
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Slide 12
General Specifications
Configuration
Desktop
Scanning system
Flatbed with CCD sensing elements
Printing process
Laser beam exposure
Dry, dual-component development system
Zoom
50% to 200% in 1% steps
Power Consumption
Full system
» Less than 1.28 kW
Reduced Electrical Consumption via Lower Power mode
» Less than 1 W.
See Energy Saver Modes for more details.
Print speed
K-C3.5Lb: 16 cpm (18 cpm for B268-50)
K-C3.5Lcd: 20 cpm
First copy time
Less than 6.5 seconds (A4/8½" x 11" LEF)
Warm-up
Less than 15 seconds
Refer to the field service manual for detailed specifications.

Model K-C3.5L
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Slide 13
3. Installation
Model K-C3.5L
Service Training
No additional notes.

Model K-C3.5L
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Slide 14
Install the Copier
Procedure: Copier Installation (see field service manual)
Developer Initialization must be performed via SP-2214-1
After installing machine & all options, and making all test
copies, record value of total counter.
» This is very important, because this value will be used for billing
with Meter Click contracts.
» Also, inform customer of value along with reason why counter
does not start from zero.
– Do not set to zero.
No additional notes.

Model K-C3.5L
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Slide 15
Putting in Developer
Make only a small cut in top corner of bag for better control when pouring.
Make sure not to spill developer on the gears.
If you have to turn the gears to distribute developer evenly, make sure to do so
very slowly and as little as possible. Otherwise developer may spill.
After pouring in developer, initialize it with SP-2214-1.
No additional notes.

Model K-C3.5L
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Slide 16
Installation of Options
Install the following options. See the FSM for all procedures.
Platen Cover, ADF, or ARDF
» Only one of these can be installed.
Network Interface Board
» This NIB is new with this product.
Two-tray Paper Tray Unit
One-tray Paper Tray Unit
One-Bin Tray
Special Options (GW controller)
Install the following if required. These options have their own
separate service manuals.
Printer/Scanner Unit Type 2000
Fax Option Type 2000
No additional notes.

Model K-C3.5L
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Slide 17
4. Machine Overview
Model K-C3.5L
Service Training
No additional notes.

Model K-C3.5L
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Slide 18
Mechanical Component Layout
2nd Mirror Exposure
Lamp
1st Mirror
3rd Mirror
Exposure Glass
Lens Block
SBU
Scanner
HP Sensor
Scanner
Motor
Exit Sensor
Exit Roller
Hot Roller
Toner Supply Bottle Holder
OPC Drum
Image Density Sensor
Registration Sensor
By-pass Feed Roller
By-pass Tray
Laser Unit
Polygon
Mirror
Motor
WTL
Development Roller
Paper End Sensor Paper Feed Roller Friction Pad
Pressure Roller
Registration Roller
No additional notes.

Model K-C3.5L
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Slide 19
Paper Path
ADF Original Feed
Paper feed
from Tray 1
Paper feed from
By-pass Tray
No additional notes.

Model K-C3.5L
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Slide 20
Main motor drives
fusing unit, PCU and
development unit.
PCU
Scanner Motor
Hot Roller
Development roller
OPC Drum
Drive Layout
Fusing Unit
Development Unit
More on Drive Layout
The top diagram shows the scanner. The scanner has one motor.
The bottom diagram shows how the main motor drives the fusing unit, PCU, and
development unit.
The three insets on the right hand side show the main motor and the gear trains
to these three units.
The main motor also drives the paper feed mechanisms via the train of gears in
the lower part of the bottom diagram.