Ricoh TCRU/ORU Operating instructions

Operating Instructions
Troubleshooting: TCRU/ORU
For safe and correct use, be sure to read Safety Information before using
the machine.

TABLE OF CONTENTS
Introduction......................................................................................................................................................... 5
How to Read This Manual................................................................................................................................. 6
Symbols...........................................................................................................................................................6
Disclaimer........................................................................................................................................................6
Notes...............................................................................................................................................................6
Notes for TCRU/ORU Users......................................................................................................................... 7
1. Before You Begin
About This Manual............................................................................................................................................. 9
Names of Components....................................................................................................................................10
About the Display for Options.........................................................................................................................11
Before You Change a Setting..........................................................................................................................12
About Printing Surfaces....................................................................................................................................13
Note about Vertical and Horizontal Directions............................................................................................. 15
2. Troubleshooting Service Call Problems (SC Codes)
What Are SC Codes?...................................................................................................................................... 17
If an SC Code Appears:..............................................................................................................................17
3. Specifying and Checking Paper Settings
Adjusting Paper Settings.................................................................................................................................. 19
Paper Setting Flowchart.............................................................................................................................. 19
Improving Fusibility...................................................................................................................................... 19
Improving Transferability.............................................................................................................................22
Improving Paper Deliverability................................................................................................................... 22
4. Troubleshooting Image Quality Problems
Image Index......................................................................................................................................................23
Large Classification: Lines/Streaks.............................................................................................................23
Large classification: Spots........................................................................................................................... 27
Large classification: Full page.....................................................................................................................29
5. Image Quality Problem: Lines
Streaks...............................................................................................................................................................41
Horizontal White Streaks............................................................................................................................ 41
Vertical Black Streaks.................................................................................................................................. 42
Vertical Black (color) Streaks (2)................................................................................................................43
Vertical Black (color) Streaks (3)................................................................................................................44
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Vertical White Streaks (1)........................................................................................................................... 45
Bands.................................................................................................................................................................47
Banding: General........................................................................................................................................ 47
Banding: 63 mm (2.4 inches) Intervals...................................................................................................... 49
Banding: 189 mm (7.5 inches) Intervals....................................................................................................51
Banding: Horizontal White Bands (S mode).............................................................................................51
6. Image Quality Problem: Spots
Spots..................................................................................................................................................................53
Black (color) Spots (1).................................................................................................................................53
Medaka (White Spots)................................................................................................................................56
7. Image Quality Problem: Full Page
Uneven Density.................................................................................................................................................59
Uneven Density: 189 mm (7.5 inches) Pitch..............................................................................................59
Uneven Density (Textured Paper)...............................................................................................................60
Mottling.........................................................................................................................................................64
Uneven Gloss...............................................................................................................................................69
Uneven Gloss: Partly....................................................................................................................................75
Dirtied Printouts.................................................................................................................................................76
Stained Paper Edges................................................................................................................................... 76
Stained Paper Edges (1)............................................................................................................................. 76
Stained Paper Edges (2)............................................................................................................................. 77
Stained Paper Edges (4)............................................................................................................................. 77
Stained Paper Edges (5)............................................................................................................................. 78
Disturbed Image...............................................................................................................................................79
Stretched Image...........................................................................................................................................79
Shrunken Image........................................................................................................................................... 80
Image Skew..................................................................................................................................................81
8. Troubleshooting Paper Delivery Problems
Frequent Paper Misfeeds.................................................................................................................................83
Messages Reporting Paper Misfeeds.............................................................................................................85
If (J033/J034/J083) Appears..................................................................................................................85
If (J097) Appears.........................................................................................................................................89
If (J099) Appears.........................................................................................................................................90
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If (J129) Appears.........................................................................................................................................90
Troubleshooting Image Quality Problems......................................................................................................91
Paper Skew.................................................................................................................................................. 91
Wrong Detection of Skew...........................................................................................................................91
Double Feeding............................................................................................................................................92
Wrong Detection of Double Feeding.........................................................................................................93
Paper Misfeeding.........................................................................................................................................95
Paper Feed Problems Affecting Image Quality..............................................................................................98
The Image Is Positioned Incorrectly............................................................................................................98
Image Scaling Error on the Side 1 of Paper..............................................................................................98
Image Scaling Error on the Side 2 of Paper..............................................................................................99
Scratches, Streaks, or Vertical Creases Appear on the Image................................................................99
Cleaning the Paper Feed Path...................................................................................................................... 101
Cleaning Paper Trays 1/2....................................................................................................................... 102
Cleaning the Paper Feed Path for Paper Trays 1/2.............................................................................. 103
Cleaning the Paper Feed Path in the Drawer..........................................................................................105
Cleaning the Paper Feed Path in the Wide LCT......................................................................................126
Cleaning the Paper Feed Path in the Multi Bypass Tray........................................................................ 127
Cleaning the Paper Feed Rollers and Paper Feed Belt in the Interposer.............................................. 127
Cleaning the Paper Path in the Buffer Pass Unit......................................................................................128
9. Post-Processing Option Troubleshooting
Finisher............................................................................................................................................................131
Delivered Sheets Are Not Stacked Properly...........................................................................................131
Large Delivered Sheets Are Not Stacked Properly................................................................................ 132
Trailing Edge of Stapled Sheets Close to the Paper Exit........................................................................ 134
Sheets Cannot Be Stapled Properly.........................................................................................................135
Misfeeding of Sheets Other Than the Cover Has Occurred..................................................................136
Paper Edges Are Stained..........................................................................................................................137
Multi-Folding Unit.......................................................................................................................................... 138
Inaccurate Folding (Folding Deviation)...................................................................................................138
Folding Deviation...................................................................................................................................... 139
Folds Stained by Multi-sheet Folding.......................................................................................................143
Z-Folding is Not Performed Properly.......................................................................................................145
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Folded Sheets Are Not Stacked Properly................................................................................................146
Ring Binding................................................................................................................................................... 148
SC756-48 Appears..................................................................................................................................148
Buffer Pass Unit...............................................................................................................................................149
The Fan Is Noisy........................................................................................................................................ 149
High Capacity Stacker.................................................................................................................................. 150
Delivered Sheets Are Severely Curled.................................................................................................... 150
Delivered Sheets Are Not Aligned...........................................................................................................152
The Machine Wrongly Detects That the Tray Is Full............................................................................... 154
The Paper Press Leaves an Impression on the Paper..............................................................................155
Paper Pressed Down Insufficiently........................................................................................................... 156
Other Post- Processing Options....................................................................................................................157
Scratched Images and Stained Paper Edges..........................................................................................157
10. Improving Throughput
Improving Throughput when Continuously Performing Black and White and Color Printing................. 159
11. Advanced Instructions
Operating Procedure for Color Calibration................................................................................................161
Start Calibrator..........................................................................................................................................161
Creating a new calibration set................................................................................................................. 162
Adjusting the Image Position of the Either Side of the Paper......................................................................163
Adjusting the Image Position on Side 1...................................................................................................163
Adjusting the Image Position on Side 2...................................................................................................166
Aligning the Image Position on Side 2 to That on Side 1 (Using a Template to Align the Image Position
on Side 1 and 2)....................................................................................................................................... 170
Envelopes....................................................................................................................................................... 178
Creases, Wavy Streaks, or Fusing Error..................................................................................................178
4

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.
5

How to Read This Manual
Symbols
This manual uses the following symbols:
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.
Indicates supplementary explanations of the machine’s functions, and instructions on resolving user
errors.
This symbol is located at the end of sections. It indicates where you can find further relevant information.
[ ]
Indicates the names of keys on the machine's display or control panels.
Disclaimer
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 the machine.
Notes
The manufacturer shall not be responsible for any damage or expense that might result from the use of
parts other than genuine parts from the manufacturer with your office products.
For good output quality, the manufacturer recommends that you use genuine toner from the
manufacturer.
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.
Depending on which country you are in, certain units may be optional. For details, please contact your
local dealer.
6

Notes for TCRU/ORU Users
You can access the machine's manuals and maintenance information over the Internet. This section
describes how to access the Web page.
1. In the web browser's address bar, enter http://www.ricoh.com/support/.
2. Select your region form "Support" on the "Office Products" section.
3. Click [Knowledge Base].
4. Select [Pro C7200/X, Pro C7210/X] or [Pro C7200S/SX, Pro C7210S/SX] from
[Production Print (Cutsheet)].
5. Click [TCRU/ORU Special Menu] at the upper right corner of the screen.
6. Enter the user name and password as follows:
• User name
Enter "c7200"
• Password
Same as User name
7. Click [Log in].
8. After viewing, click [Logout].
• This manual is currently only available in English.
• If you cannot view this web page, log out, and the log in again by entering the user name and
password. You may not have logged in properly due to the data stored in cookies.
• If there is a problem, please contact your sales or service representative.
7

8

1. Before You Begin
About This Manual
If the machine will not print, does not print as expected, or exhibits any other problem, find the problem
in this manual and troubleshoot accordingly.
• Before you replace any unit:
• To prevent electrical shock, turn off the color controller on the machine control panel,
switch off the main power switch then the AC power switch, and then disconnect the
machine from the power supply.
• Allow the machine to cool for at least 30 minutes before replacing a part.
9

Names of Components
• Do not remove any covers or screws other than those explicitly mentioned in this manual. Inside
this machine are high voltage components that are an electric shock hazard. Contact your sales
or service representative if any of the machine's internal components require maintenance,
adjustment, or repair.
• Do not attempt to disassemble or modify this machine. Doing so risks burns and electric shock.
1
2
1
2
3
4
5
DXU800
1. Development unit (Special Color or Black)
2. Fuser unit
3. Development unit (Yellow, Magenta, and Cyan)
4. Cleaning unit for intermediate transfer belt (ITB cleaning unit)
5. Paper transfer unit
1. Before You Begin
10

About the Display for Options
This machine displays all of the adjustment items in the Adjustment Settings for Operators menu and
advanced settings for custom paper regardless of whether or not the items are for options. Note that any
modifications to the option settings do not take effect unless the applicable options are installed on this
machine.
• For details about the options available for this machine, see "Guide to Functions of the Machine's
Options", Preparation.
About the Display for Options
11

Before You Change a Setting
• If the problem persists despite the setting being changed, restore the value you made a note of.
• Operating the machine with the changed setting may cause problems such as reduced print
quality.
• If the problem persists even though the setting has been changed, restore the value noted.
Operating the machine with the changed setting may cause problems, such as inferior printed
images.
1. Before You Begin
12

About Printing Surfaces
Side 1 is the surface of the paper printed during one-sided printing, or the surface of the first print during
duplex printing.
Side 2 is the surface of the paper printed after side 1 has been printed during duplex printing.
Single-sided printing: Printed side face down
DFP406
A. Side 1
B. Paper feed direction of Side 1
Duplex printing: Printed side face down
DFP407
A. Side 1
B. Paper feed direction of Side 1
C. Side 2
D. Paper feed direction of Side 2
About Printing Surfaces
13

Single-sided printing: Printed side face up
DFP408
A. Side 1
B. Paper feed direction of Side 1
Duplex printing: Printed side face up
DFP409
A. Side 1
B. Paper feed direction of Side 1
C. Side 2
D. Paper feed direction of Side 2
1. Before You Begin
14

Note about Vertical and Horizontal Directions
In this manual, with regard to the paper feed direction, the vertical and horizontal directions are as
shown below:
1
2
3
DFP311
1. Paper feed direction
2. Horizontal
3. Vertical
Note about Vertical and Horizontal Directions
15

1. Before You Begin
16

2. Troubleshooting Service Call
Problems (SC Codes)
What Are SC Codes?
If an error occurs during operation, the machine displays an SC code ("SCnnn", where "nnn" is a three-
digit number). The machine stops and cannot be used when an SC code is displayed.
If an SC Code Appears:
1. Write down the SC number.
2. Turn off the main power switch.
3. Wait a few moments, then turn the machine on again.
In most cases, cycling the machine off and on will restore it to full operation.
4. If the SC code reappears, contact your service representative.
17

2. Troubleshooting Service Call Problems (SC Codes)
18