Ricoh Pro C7500 User manual

Type
User manual

This manual is also suitable for

Registration (Front and Back Sides)
Adjustment Procedure Manual
1. Introduction p. 2
2. Automatic Adjustment Flow
Overview p. 3
Details p. 4-8
3. Manual Adjustment Flow
Overview p. 9
Details p. 10-16
4. When Using the Image Position Feedback
Compensation p. 17
5. Precautions p. 18
Ver.1.0
21. Introduction
Requirements for achieving high precision in registration adjustment
1. Paper dimension / configuration
It is important to use paper that is cut in the correct dimension and configuration.
2. Paper humidity condition
It is important to use paper that has just been taken out of its package.
If you use paper that has been left out of its package for a while, uneven moisture condition in the paper stack
may occur, causing deviation in paper length and shrinkage, and the image position accuracy may decrease.
32. Automatic Adjustment Flow Overview
Step No. Item Description Example
Manual and
Auto
1 Registering Custom Paper Registration of custom paper is
required for the described
adjustment flow.
Auto 2 Executing Automatic
adjustment of Image Position
--
Auto 3 If further adjustment is
required
--
4Step 1: Programming Custom Paper
Use the control panel of the main unit to register Custom Paper.
Before registering a Custom Paper, check the product name, size,
and type of the paper you are about to register.
Press the [Media] hub → [Master Library].
Select the check box of the paper to be registered, and press [Copy].
Select the check box of the paper size to register, and then press
[OK].
The paper is registered in [Custom Paper].
Press [OK].
Change "Custom Paper Name" or other settings as required.
Press [Select Tray].
Select the paper tray that you loaded the paper, and then press
[OK].
When the screen of Step ⑤ is displayed again, press [OK] in the
lower right corner.
Registering Custom Paper
5Step 2: Executing Automatic Adjustment of Image Position
This section describes how to adjust the registration on the front
and back sides of paper automatically by printing a test page on
the paper allocated to a source tray.
Press the [Media] hub → [Custom Paper].
Press [Image Position], and then press [Adjust/Print] under "Front
& Back Sides: 10 sheets".
Select the check box of the paper to be adjusted, and press [Edit].
Press [OK].
The image position is adjusted, and the adjustment result is printed.
When the screen of Step ⑤ is displayed again, press [OK] in the
lower right corner.
Adjusting Registration Alignment on the
Front and Back Sides Automatically
* You can change the number of copies to print in Adjustment Settings for
Operators "0102 Auto Adjust Image Position: No. of Printed Sheets".
The Automatic adjustment of Image Position result may deteriorate if you
specify a number that is smaller than the default value.
Also, the registration accuracy on Side 1/2 may decrease depending on the
condition such as the type, thickness, length or color of the paper.
If this occurs, see "If further adjustment is required".
* You can specify an adjustment value on paper up to 1030 mm (2-sided) or
1260 mm (1-side) in length, but the adjustment is only valid on paper up
to 700 mm long because compensation using the registration function
cannot be applied when using paper longer than 700.1 mm.
Select the check box of the paper to be adjusted, and press [OK].
When “Tray Not Selected” is displayed, specify the tray on which the
paper to be adjusted is loaded.
1. Load the paper to be adjusted onto the tray.
2. Press [Select Tray].
3. Specify the tray where you loaded the paper, and then press [OK].
6
<When the Image Magnification Value Exceeds the Adjustable
Range While Performing Automatic Adjustment of Image
Position>
1. While performing Automatic adjustment of Image Position, the image magnification value along the feed direction may
exceed the adjustable range (-0.5 %-+0.4 %) depending on the paper type, size, machine usage condition, or secondary
transfer condition.
[How to confirm the occurrence of a phenomenon method]
If asterisks (*) are displayed with no. 10 and 12 in the adjustment result printed on the result confirmation sheet after
completing Automatic adjustment of image Position, the values are outside the adjustable range.
Also, note that only the image magnification values along the feed direction are presented in this manner.
7
Feed
direction
Feed
direction
<When the Image Magnification Value Exceeds the Adjustable
Range While Performing Automatic Adjustment of Image
Position >
2. Check the result of Automatic adjustment of Image Position, and determine a solution depending on the case.
[Case ①]
If the registration variance on the front and back side is within an acceptable range, no further action is required. Apply the
result of Automatic adjustment of Image Position.
<Example measure>
Use the value that is outside the adjustable range that is printed on
the Automatic adjustment of Image Position result sheet.
10ʼ: Image Mag. Result:Side1 W.Feed Over Range 0.250 %
12ʼ: Image Mag. Result:Side2 W.Feed Over Range 0.200 %
The actual image length is longer for images that have a greater out-
of-adjustable-range value.
In this example, add the difference between 10ʼ and 12ʼ (0.050 %) to
the adjustment item for Side 1 shown below
Advanced Settings-11 Machine: Image Position-1104 Image Position
Feedback Correction: Gap
Image Magnification Adjustment
Side 1 06: With Feed
Side 2 08: With Feed
* For details of each item, see Step 2-② in the manual adjustment
procedure for the registration adjustment on the front and back side
that is provided separately.
Ideal image
Image on Side 1
Image on Side 2
Ideal image
Image on Side 1
Image on Side 2
[Case ②]
If you want to reduce the registration variance further,
adjust the difference in image magnification values of
the front and back side according to the example.
8Step 3: If Further Adjustment is Required
To adjust the image position and registration further after completing the Automatic adjustment of Image Position,
follow the procedure described in Steps 2-①-③ on pages 10-16 in "Manual Adjustment Flow Details".
93. Manual Adjustment Flow Overview
Step No. Item Description Example
Manual and
Auto
1 Registering Custom
Paper
Registration of custom paper is a
requisite of the described adjustment
flow. (See Automatic Adjustment Flow)
Manual 2 Adjusting the image
positions on Side 1/Side
2
2-①: Trapezoidal
adjustment
2-②: Image
magnification
2-③: Image position
Perform the procedure in the order of ①,
②, and ③ in Advanced Settings.
This item can be specified individually for
the front and back sides, and adjusting
the position on Side 2 only is adequate if
the deviation of the image on Side 1 is
within the acceptable tolerance.
Side 1
Side 2
It is recommended to perform adjustment by following the procedure below in the presented order.
If you perform the procedure in the wrong order, you may be requested to perform the same adjustments again.
10 Step 2-①: Adjusting the Trapezoid on Side 1 (Front) and
Side 2 (Back)
<Steps>
1. Print a pattern that indicates the outline of the images on the front and back sides. When the appropriate data is unavailable, you can
use the test chart that you can print following the procedure shown below.
[Media] hub on the control panel of the main unit → paper to perform adjustment → [Edit] → specify the paper size → [Edit] → [Image Position]→ [Print
Test Chart]
2. In With Feed: Left/Right Edge, specify each item using the adjustment value as a reference.
Paper
delivery
direction
Reference point
Negative
direction
Move point
<With feed: Adjusting the left edge>
Left edge
Right edge
Paper
delivery
direction
<With feed: adjusting the right edge>
Positive
direction
Move point
Left edge
Right edge
<Adjustment reference>
See the next page.
Reference point
Image on Side 1
Image on Side 2
In this case, adjust the move
points on the left and right
edges in the positive direction on
both Side 1 and 2 to adjust the
trapezoid so that the images on
both sides are aligned parallel
along the feed direction.
Right edge
Left edge
<Adjustment reference>
In this case, adjust the move point at
the left edge in the negative direction
and the point on the right edge in the
positive direction on Side 1 and 2 to
adjust the trapezoid so that the
images on both sides are aligned
parallel along the feed direction.
Left edge
Right edge
Positive
direction
Negative
direction
11
<Steps>
3. Enter the adjustment values in the followings:
[Media] hub on the control panel of the main unit → paper to perform adjustment → [Edit] → specify the paper size → [OK]
[Image Position] → [Manual adjustment] tab
: Trapezoidal Distortion Side 1: Opposite Side of Operator
Side 2: Opposite Side of Operator
Side 1: Operator Side
Side 2: Operator Side
<3. Adjustment value entry screen>
Step 2-①: Adjusting the Trapezoid on Side 1 (Front) and
Side 2 (Back)
12
Step 2-: Adjusting the Trapezoid on Side 1 (Front) and Side 2 (Back)
<Adjustment reference>
Step 2-①: Adjusting the Trapezoid on Side 1 (Front) and
Side 2 (Back)
Regular size Paper width Unit -0.25 % -0.2 % -0.15 % -0.1 % -0.05 % 0 % 0.05 % 0.1 % 0.15 % 0.2 % 0.25 %
A3 297 mm -0.74 mm -0.59 mm -0.45 mm -0.3 mm -0.15 mm 0 mm 0.15 mm 0.3 mm 0.45 mm 0.59 mm 0.74 mm
A4,SEF 210 mm -0.53 mm -0.42 mm -0.32 mm -0.21 mm -0.11 mm 0 mm 0.11 mm 0.21 mm 0.32 mm 0.42 mm 0.53 mm
A4,LEF 297 mm -0.74 mm -0.59 mm -0.45 mm -0.3 mm -0.15 mm 0 mm 0.15 mm 0.3 mm 0.45 mm 0.59 mm 0.74 mm
SRA3 320 mm -0.8 mm -0.64 mm -0.48 mm -0.32 mm -0.16 mm 0 mm 0.16 mm 0.32 mm 0.48 mm 0.64 mm 0.8 mm
SRA4,SEF 225 mm -0.56 mm -0.45 mm -0.34 mm -0.23 mm -0.11 mm 0 mm 0.11 mm 0.23 mm 0.34 mm 0.45 mm 0.56 mm
SRA4,LEF 320 mm -0.8 mm -0.64 mm -0.48 mm -0.32 mm -0.16 mm 0 mm 0.16 mm 0.32 mm 0.48 mm 0.64 mm 0.8 mm
12*18 12 inch -0.03 inch -0.024 inch -0.018 inch -0.012 inch -0.006 inch 0 inch 0.006 inch 0.012 inch 0.018 inch 0.024 inch 0.03 inch
13*19.2 13 inch -0.033 inch -0.026 inch -0.02 inch -0.013 inch -0.007 inch 0 inch 0.007 inch 0.013 inch 0.02 inch 0.026 inch 0.033 inch
13*19 13 inch -0.033 inch -0.026 inch -0.02 inch -0.013 inch -0.007 inch 0 inch 0.007 inch 0.013 inch 0.02 inch 0.026 inch 0.033 inch
DLT 11 inch -0.028 inch -0.022 inch -0.017 inch -0.011 inch -0.006 inch 0 inch 0.006 inch 0.011 inch 0.017 inch 0.022 inch 0.028 inch
Legal 8.5 inch -0.021 inch -0.017 inch -0.013 inch -0.009 inch -0.004 inch 0 inch 0.004 inch 0.009 inch 0.013 inch 0.017 inch 0.021 inch
Letter,SEF 8.5 inch -0.021 inch -0.017 inch -0.013 inch -0.009 inch -0.004 inch 0 inch 0.004 inch 0.009 inch 0.013 inch 0.017 inch 0.021 inch
Letter,LEF 11 inch -0.028 inch -0.022 inch -0.017 inch -0.011 inch -0.006 inch 0 inch 0.006 inch 0.011 inch 0.017 inch 0.022 inch 0.028 inch
* These values are rough indications of how the test chart is adjusted when printed. The actual adjustment value may vary
depending on the paper size, output image size, or measured location.
13
<Steps>
1. Print a pattern that indicates the magnification of the images on the front and back sides. When the appropriate data is
unavailable, you can use the test chart that you can print following the procedure shown below.
[Media] hub on the control panel of the main unit → paper to perform adjustment → [Edit] → specify the paper size → [OK] → [Image Position]→
[Print Test Chart]
2. Enter the amount of deviation in the image length from the ideal image as a reference for Side 1.
3. For Side 2, enter the amount of deviation in the image length from the image on Side 1 as a reference.
Negative direction
Paper
delivery
direction
Referen
ce point
Negative direction
Positive direction
Paper
delivery
direction
Referen
ce point
Positive direction
On paper 297 mm (A3) to 330 mm wide, the
image size increases by 0.3 mm (0.15 mm on one
side) per +0.1 %.
The image size increases or decreases using the
leading edge in the feed direction as a reference.
0.2 mm per +0.05 % on paper 420 mm wide (A3)
0.35 mm per +0.05 % on paper 700 mm wide
Image length increases as above
Right edge
Left edge
Trailing
end
Leading
end
Step 2-②: Adjusting the Image Magnification Across/
along the Feed Direction on Side 1 (Front) and
Side 2 (Back)
<Adjustment reference across the feed direction>
<Adjustment reference across the feed direction>
Negative direction
Positive direction
Negative direction
14
<Steps>
4. Enter the adjustment values in the followings:
[Media] hub on the control panel of the main unit → specify the paper to configure the settings → [Edit] → specify the paper size
→ [OK] → [Image Position] → [Manual adjustment] tab
: Image Magnification Side 1: Across Feed
Side 2: Across Feed
Side 1: With Feed
Side 2: With Feed
Step 2-②: Adjusting the Image Magnification Across/
along the Feed Direction on Side 1 (Front) and
Side 2 (Back)
<4. Adjustment value entry screen>
15
<Steps>
1. Print a pattern that indicates the position of the images on the front and back sides. When the appropriate data is
unavailable, you can use the test chart that you can print following the procedure shown below.
[Media] hub on the control panel of the main unit → paper to perform adjustment → [Edit] → specify the paper size → [OK] → [Image Position] →
[Print Test Chart]
2. Enter the amount of deviation in the printed image position from the ideal position for Side 1, and enter the deviation
from the image printed on Side 1 for Side 2.
Paper
delivery
direction
Positive direction
Paper
delivery
direction
The image position moves according to the
entered value.
A positive value moves the image toward the right.
A negative value moves the image toward the left.
The image position moves according to the
entered value.
A positive value moves the image toward the
trailing end.
A negative value moves the image toward the
leading end.
Right edge
Left edge
Trailing
end
Positive direction
Leading
end
Step 2-③: Adjusting the Image Position Across/
along the Feed Direction on Side 1 (Front)
and Side 2 (Back)
<Adjustment reference across the feed direction>
<Adjustment reference across the feed direction>
16
<Steps>
3. Enter the adjustment values in the followings:
[Media] hub on the control panel of the main unit → specify the paper to configure the settings → [Edit] → specify
the paper size → [OK] → [Image Position] → [Manual adjustment] tab
: Image Position Side 1: Across Feed
Side 2: Across Feed
Side 1: With Feed
Side 2: With Feed
Step 2-③: Adjusting the Image Position Across/
along the Feed Direction on Side 1 (Front)
and Side 2 (Back)
<3. Adjustment value entry screen>
17 4. When Using the Image Position Feedback
Compensation
This machine has a built-in feedback compensation mechanism that detects the image position while printing.
The compensation mechanism can be enabled or disabled from Custom Paper-Advanced Settings (default is [Correction Off]).
Press [Media] hub on the control panel of the main unit specify the paper to configure the settings → [Edit] → specify the
paper size → [OK] → [Detailed settings] → 11: [Machine: Image Position] → 1103: [Image Position Feedback Correction]
[Correction Mode] → 01: [Setting] in this order.
To print with Image Position Feedback Correction enabled, be sure to perform Automatic adjustment of Image Position in
advance.
* An unintended misalignment of image position may occur if you perform printing with Image Position Feedback Correction
enabled after only performing front and back sides registration without performing Automatic adjustment of Image Position.
• When "Detection Mark" is specified, marks for detecting the image position are printed on the front side of the image.
If the mark for detecting the image position overlaps the image, the print position may become shifted or a paper jam may occur.
Do not print images in the area indicated in red and green in the figure below.
Unit: mm
16.3
7.5
1.5
3
7.5 1.2
16.3
1.3
1.3
Changes in
accordance with
the margin setting
Mark
Lines that lay perpendicular to the
marks allowed
Lines that lay parallel to the marks not
allowed
OK
NG
No print area
① Area marked in green: printing not allowed when No Detection Mark or Detection Mark specified
Area marked in orange: printing not allowed when Detection Mark specified*
* Printing allowed for lines that lay perpendicular to each mark, and of have a width of 0.2 mm
(0.007 inches) or narrower and spacing between the lines of 2 mm (0.07 inches) or wider
Line with a width of
0.2 mm or narrower
Space between the lines of
2 mm or wider
18 5. Precautions
<Note>
When printing customer data after completing adjustment, registration may not be performed properly due to
various reasons such as a difference in humidity condition, production lot of the paper used or difference in the
image areas on the front and back sides.
Always use the same paper as the one you will be using in the actual production print and for the final confirmation
of the adjustment result.
© 2023
EN GB EN US EN AU M0ED-X008
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Ricoh Pro C7500 User manual

Type
User manual
This manual is also suitable for

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