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Ricoh TCRU/ORU User Manual
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6. Image Quality Problem: Spots
Spots
Black (color) Spots (1)
Colored spots appear at 189 mm or 40 mm (7.5 inches or 1.6 inches) intervals.
CEZ539
189 mm (7.5 in.)
40 mm (1.6 in.)
Cause:
(a) Colored spots appear at 189 mm (7.5 inches) intervals
The drum is scratched or stained.
(b) Colored spots appear at 40 mm (1.6 inches) intervals
The charge roller is scratched or stained.
Solution:
The solution depends on the interval at which the colored spots appear.
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Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
7
How to Read this Manual
8
Symbols
8
Disclaimer
8
Notes
8
Notes for TCRU/ORU Users
9
1 Before You Begin
11
About this Manual
11
Names of Components
12
About the Display for Options
13
Before You Change a Setting
14
About Printing Surfaces
15
Note about Vertical and Horizontal Directions
17
2 Troubleshooting Service Call Problems (SC Codes)
19
What Are SC Codes
19
If an SC Code Appears
19
3 Specifying and Checking Paper Settings
21
Adjusting Paper Settings
21
Paper Setting Flowchart
21
Improving Fusibility
21
Improving Transferability
24
Improving Paper Deliverability
24
4 Troubleshooting Image Quality Problems
25
Image Index
25
Large Classification: Lines/Streaks
25
Large Classification: Spots
29
Large Classification: Full Page
31
5 Image Quality Problem: Lines
43
Streaks
43
Horizontal White Streaks
43
Vertical Black Streaks
44
Vertical Black (Color) Streaks (2)
45
Vertical Black (Color) Streaks (3)
46
Vertical White Streaks (1)
47
Bands
49
Banding: General
49
Banding: 63 MM (2.4 Inches) Intervals
51
Banding: 189 MM (7.5 Inches) Intervals
53
Banding: Horizontal White Bands (S Mode)
53
6 Image Quality Problem: Spots
55
Spots
55
Black (Color) Spots (1)
55
Medaka (White Spots)
58
7 Image Quality Problem: Full Page
61
Uneven Density
61
Uneven Density: 189 MM (7.5 Inches) Pitch
61
Uneven Density (Textured Paper)
62
Mottling
66
Uneven Gloss
71
Uneven Gloss: Partly
77
Dirtied Printouts
78
Stained Paper Edges
78
Stained Paper Edges (1)
78
Stained Paper Edges (2)
79
Stained Paper Edges (4)
79
Stained Paper Edges (5)
80
Disturbed Image
81
Stretched Image
81
Shrunken Image
82
Image Skew
83
8 Troubleshooting Paper Delivery Problems
85
Frequent Paper Misfeeds
85
Messages Reporting Paper Misfeeds
87
If (J033/J034/J083) Appears
87
If (J097) Appears
91
If (J099) Appears
92
Troubleshooting Image Quality Problems
93
Paper Skew
93
Wrong Detection of Skew
93
Double Feeding
94
Wrong Detection of Double Feeding
95
Paper Misfeeding
97
Paper Feed Problems Affecting Image Quality
100
The Image Is Positioned Incorrectly
100
Image Scaling Error on the Side 1 of Paper
100
Image Scaling Error on the Side 2 of Paper
101
Scratches, Streaks, or Vertical Creases Appear on the Image
101
Cleaning the Paper Feed Path
103
Cleaning Paper Trays 1/2
104
Cleaning the Paper Feed Path for Paper Trays 1/2
105
Cleaning the Paper Feed Path in the Drawer
107
Cleaning the Paper Feed Path in the Wide LCT
128
Cleaning the Paper Feed Path in the Multi Bypass Tray
129
Cleaning the Paper Feed Rollers and Paper Feed Belt in the Interposer
129
Cleaning the Paper Path in the Buffer Pass Unit
130
9 Post-Processing Option Troubleshooting
133
Finisher
133
Delivered Sheets Are Not Stacked Properly
133
Large Delivered Sheets Are Not Stacked Properly
134
Trailing Edge of Stapled Sheets Close to the Paper Exit
136
Sheets Cannot be Stapled Properly
137
Misfeeding of Sheets Other than the Cover Has Occurred
138
Paper Edges Are Stained
139
Multi-Folding Unit
140
Inaccurate Folding (Folding Deviation)
140
Folding Deviation
141
Folds Stained by Multi-Sheet Folding
145
Z-Folding Is Not Performed Properly
147
Folded Sheets Are Not Stacked Properly
148
Ring Binding
150
SC756-48 Appears
150
Buffer Pass Unit
151
The Fan Is Noisy
151
High Capacity Stacker
152
Delivered Sheets Are Severely Curled
152
Delivered Sheets Are Not Aligned
154
The Machine Wrongly Detects that the Tray Is Full
156
The Paper Press Leaves an Impression on the Paper
157
Paper Pressed down Insufficiently
158
Other Post- Processing Options
159
Scratched Images and Stained Paper Edges
159
10 Improving Throughput
161
Improving Throughput When Continuously Performing Black and White and Color Printing
161
11 Advanced Instructions
163
Operating Procedure for Color Calibration
163
Start Calibrator
163
Creating a New Calibration Set
164
Adjusting the Image Position of the Either Side of the Paper
165
Adjusting the Image Position on Side 1
165
Adjusting the Image Position on Side 2
168
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)
172
Envelopes
180
Creases, Wavy Streaks, or Fusing Error
180
4
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Ricoh TCRU/ORU Specifications
General
Brand
Ricoh
Model
TCRU/ORU
Category
Printer Accessories
Language
English
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