MIMAKI CG-AR Series Technical manual

CSD200035 EN
For CG-AR series users
Support document of
cutting with register marks
(ERROR C36 MARK DETECT)
June 2023
Mimaki Engineering Co., Ltd.
Ver:1.00

CSD200035 EN - 1 -
< Table of contents >
1. Register mark detection after sheet detection .........................................................3
2. Register marks creating condition...........................................................................5
3. Register mark setting...............................................................................................7
4. Plotting from FineCut..............................................................................................9
5. Register mark error when plotting via FineCut and the other errors ....................10
6. Troubleshooting..................................................................................................... 11

CSD200035 EN - 2 -
When did “ERROR C36 MARK DETECT” occur?
*In this document, the sheet is set in rear side, and the register mark detection setting is set to 1 point (recommended
setting).
* Hereafter, “FineCut/Coat9” is referred to as “FineCut” in this document.
Please check the flow chart below and check and deal with the corresponding parts.
Refer to the figure below for the positional relationship of the register marks.
* “ERROR C37 MARK ORG” and “ERROR C38 MARK SCALE” can also be dealt with by checking the items described in this
document.
1. After detecting the sheet, read register marks.
Refer to (4) of “Register mark reading after
sheet detection” (P.3)
2. Plot from FineCut after switching to the
REMOTE mode with the FUNC3 key.
Refer to “Plot from FineCut” (P.9)
Problem solved?
Did the read of TP1 work fine
and display changes to
LOCAL mode?
Were register marks read
successfully?
Check points of
YES
YES
Please check the followings:
-Is the direction of output and data the
same?
-P4: Register mark reading after sheet
detection
-P5 - P6: Register mark creation conditions
-P7: Register mark setting
-P10: Register mark error and others when
plotting from FineCut
Please check the followings:
-P3 - P4: Register mark reading after sheet
detection
-P5 - P6: Register mark creation conditions
-P7: Register mark setting
After checking and adjusting the
settings, start from the beginning.
Start cutting
YES
Check points of
1st point
2nd point
NO
NO
NO
\\\
Type 1
TP3 TP1 TP3 TP1
TP4 TP2 TP4 TP2
and later
Type 2

CSD200035 EN - 3 -
1. Register mark detection after sheet detection
(1) Are the register marks created
with FineCut?
Register marks created with
Illustrator cannot be read.
Only register marks created with
FineCut can be detected.
(2) Is the sheet white and the black
register marks?
Colored sheets and colored register
marks cannot be detected. In that
case, try with a register mark that
fills in the area around the register
mark.
(3) Is there any bleeding on the
register marks? Are you
enlarging the image when
printing?
When printing the image, do not
enlarge or reduce it.
Set the line width of the register marks to between 0.5mm and 1.0mm.
(4) Is the register mark detection
start position correct when
detecting the register marks on
the plotter?
1st point
Created with
FineCut
Created with
Illustrator
1st point
1st point
1st point
Specify the position using the
bottom-right register mark
(TP1).
Position of Light pointer

CSD200035 EN - 4 -
(5) Is the sheet tilted?
When the clamp lever is raised, the light pointer will illuminate.
You can manually move the carriage left and right. Move the carriage
between TP1 and TP2 and observe the movement line of the light pointer
to confirm the tilt of the sheet.
(6) Is the pinch roller property
positioned?
Go around the back of the main unit
and check the clamp lever pressure.
If the positioning of the pinch roller
is incorrect or if there is a
difference in clamp lever pressure
at both ends, it may cause
misalignment during transport.
Set the pinch roller under the “PINCH ROLLER SETTINGS” mark.
Are there any differences in pressure at both ends?
(7) Rotate the sheet 180 degrees and
try detecting the register marks.
If there is any debris or dirt in a
specific area, it may cause errors
during register mark detection at
the same position.
(8) Are you working in direct
sunlight or directly under
fluorescent lights?
There is possibility that the register mark
sensor is being triggered by the reflection of
fluorescent light on the sheet.
2nd point
Tilt of the sheet
Movement line of
the light pointer
2nd point
1st point
Pressure: High
Pressure: Low
“PINCH ROLLER SETTINGS” mark
1st point
180度回転
Rotate 180°
1st point

CSD200035 EN - 5 -
2. Register marks creating condition
(1) Is there any object obstructing the
area around the register marks?
If there are objects in unprintable
area, errors may occur in case of
sheet misalignment or other issues.
When the register mark is Type 1 (outward-facing register mark)
When the register mark is Type 2 (inward register mark)
(2) Is there a distance of 20mm or
more from register mark TP1 to
the front edge of the sheet?
(For Type 2, it should be 20mm
or more + half the length of one
side of the register mark.)
(3) Is there a space of 45 mm or
more from the TP2 register mark
to the rear edge of the sheet (for
Type 2, 45 mm or more + half the
length of one side of the register
mark)?
(4) Are the pinch rollers touching
the register marks?
(5) Is there a distance between
register marks TP1 and TP2
within the range of 50mm or
more and 3000mm or less?
(6) Is the distance between TP1 and
TP2 register marks within the
range of 50mm or more and
3000mm or less?
* When the [EXPANDS] option is turned on, the cutting range expands beyond the outer edge or the pinch roller.
2nd point
2nd point
2nd point
1st point
2nd point
2nd point
When [EXPANDS] is “OFF”
Unprintable area
Design layout
possible range
(5)
(1)
(6)
TP1
TP3
TP4
TP2
(3)
(4)
(2)
5 mm or more
(5)
(6)
TP1
TP3
TP4
TP2
Longer than the
register mark’s
length
Pinch roller
Design layout
possible range
(1)
Unprintable area
(3)
(4)
When [EXPANDS] is “OFF”
(2)
Pinch roller

CSD200035 EN - 6 -
(7) Is there any data or dirt in the
unprintable area?
The area around the register marks (from the corners of the register marks
to an area equal to the length of the register marks) is an unprintable area.
Ensure that no data is printed in this area and it remains free from dirt.
Incorrect register mark detection or register mark reading error could
occur.
(8) Is the length of one side of the
register marks appropriate in
relation to the distance between
the register marks?
* The recommended size for the register marks will be displayed when
creating them in FineCut.
1st point
Length of the register marks
Type 1
Type 2
2nd point

CSD200035 EN - 7 -
3. Register mark setting
Execute the menu.
[MARK DETECT]
(1) How many register marks are
being used for REGISTER
MARK DETECT?
Default setting is “OFF”.
When using FineCut, set the plotter to 1-point detection, and in FineCut,
set it to 4-point detection.
(2) Do you set scale compensation?
Default setting is “OFF”.
When using FineCut, set [DIST.REVI.] to OFF.
(3) What is the length of one side of
the register mark?
Default setting is “10 mm”.
Setting range: 4 mm to 40 mm
Input a value that matches the size of one side of the register mark created
in FineCut.
(4) What is the length of the offset
values?
Default setting is “0 mm” for both [OffsetA] and [OffsetB].
[Offset A] is used for adjusting the feed direction, and [Offset B] is used
for adjusting horizontal direction. The offset represents the distance of
movement from the origin of the register mark, so it is typically set to
0.00mm. (If there are values already entered, simply press the ENTER
key.)
(5) Which shape are you using for
register marks?
Default setting is “Type 1”.
Ensure that the register mark shape set on
the plotter matches the register mark
shape created in FineCut.
Outward = Type 1, Inward = Type 2
(6) How many copies do you set?
Default values for both [COPIES A] and [COPIES B] are “1”.
[COPIES A] is used for specifying the feed direction, and [COPIES B] is
used for specifying the lateral direction.
Please avoid making any changes to these values when using FineCut.
* Press the up/down key to change
the setting, press the [ENTER]
key to confirm the settings or
proceed to the next menu.
FUNC1
SET UP <ENT>
ENTER
MARK DETECT <ENT>
1st point
2nd point
2nd point
1st point
1st point
1st point
\\\
MARK DETECT: 1pt
DIST.REVI.: OFF
SIZE. : 10mm
OffsetA: 0.00mm
OffsetB: 0.00mm
FORM: Type 1
Type 1
Type 2
COPIES A (↑): 1
COPIES B (<-): 1

CSD200035 EN - 8 -
(7) What are you setting the high-
speed limit to?
Default setting is “0”.
It is recommended to se the speed to 15cm/s to 20cm/s when the sheet is
sliding and the register marks cannot be read property.
(8) Do you set [SKEW CHECK]
off?
Default setting is “OFF”.
Sets the allowable sheet shift amount for continuous copying.
Normally, it should be left as “OFF”.
(9) What are you setting as
[DETECT MODE]?
Default setting is “FAST”. (High speed)
If the register mark detection is not functioning properly, set it to “PREC”
(precision) mode.
(10) What are you setting as
[SENSOR LEVEL]?
Default setting is “4”.
If the register marks are falsely detected, lower the value.
If they are not detected, increase the value.
(11) What are you setting as [MARK
FILL UP]?
Default setting is “OFF”.
If you filled in the register marks using FineCut, set it to “ON”.
(12) What are you setting as [DATA
ID CODE]?
Default setting is “OFF”.
Set it to “ON” when using the ID cut function.
2nd point
2nd point
1st point
2nd point
1st point
2nd point
1st point
SPD LIMIT: 15cm/s
SKEW CHECK: OFF
DETECT MODE: FAST
SENSOR LEVEL: 4
MARK FILL UP: OFF
DATA ID CODE: OFF

CSD200035 EN - 9 -
4. Plotting from FineCut
Please follow the operation instructions.
1. Launch FineCut and click on the [Register Mark] tab in the plot screen.
* Rotate the sheet beforehand to ensure it is in the same orientation, and then click on the [Register Mark] tab.
2. Click on the [Detect Mark] button.
3. The screen will switch after recognizing the dimensions within the registration marks area.
Set the registration mark detection to “4 points detection”
for the “First Time”.
Subsequent (continue) detection will also have higher
accuracy when using 4-point detection.
4. Click on the [Plot] button.

CSD200035 EN - 10 -
5. Register mark error when plotting via FineCut and the other errors
(1) In case of an error during
registration mark detection from
the second mark onwards:
Measure the distance between the registration marks on the printed
material and compare it with the specified registration mark distance in
your data. If the measured distance between the registration marks
deviates by more than twice the registration mark size, it may result in a
registration mark error.
(Example: If the register mark size is 10 mm, an error occurs if the
measured distance between the registration marks deviates by 20mm or
more.)
(2) Other errors
For other registration mark errors, the troubleshooting method is the same
as Error C36 MARK DETECT.
- ERROR C37 MARK ORIGIN
This error occurs during continuous registration mark copying when the
origin position, detected based on the registration marks, falls outside the
cutting area due to media skew or other factors
- ERROR C38 MARK SCALE
This error occurs during continuous register mark copying when a
registration mark is skipped, and the subsequent registration mark is
detected, resulting in significant scale correction beyond ±30%.
2nd point
Register mark size

CSD200035 EN - 11 -
6. Troubleshooting
Q. Register mark detection pointer is not turned on.
A. Is the register mark detection setting turned off? Set it to “1pt”.
[SETUP] -> [MARK DETECT] -> [MARK DETECT]
Q. The register mark detection is not capturing the registration marks on the backside.
A1. Is there a margin of 45 mm or more from the back end of the register marks? Check (3) in “2. Register marks
creating condition”. If the margin is insufficient, try extending the sheet by adding an additional piece.
A2. Is the sheet not properly aligned and set? Please Try resetting the sheet so that the register marks are straight.
Q. When cutting large-sized (exceeding 1m) data with register marks, there may be occurrences of cutting misalignment.
A. Try reducing the cutting speed to a slower setting (around 5 cm/s) and set the sheet setting (SHEET
TYPE) to “HEAVY” to prevent misalignment.
[SETUP] -> [SHEET TYPE]
Q. When issuing a cut command using FineCut, the registration mark detection completes successfully, but the
cutting process does not start.
A. Is there any cutting data? Check in Illustrator by going to “View” -> “Outline” to see if there is any data
other than the registration marks.
Q. When giving the command for register mark cutting from FineCut, the cutting starts without detecting the
register marks.
A. Have you forgotten to press the “Detect Mark” (register mark recognition) button in FineCut?
Refer to “4. Plotting from FineCut” and check if the area inside the register marks is displayed as the
cutting area when you press the “Detect Mark” button on the FineCut plot screen.
Q. The cuts are misaligned overall.
A. Try adjusting “Offset A” and “Offset B” settings in the register mark detection settings.
[SETUP] -> [MARK DETECT] -> [OffsetA]
If the cut is shifted downwards, increase the value.
If the cut is shifted upwards, decrease the value.
[SETUP] -> [MARK DETECT] -> [OffsetA]
If the cut is shifted to the left, decrease the value.
If the cut is shifted to the right, increase value.
Q. The cut is shifted to the left or right.
A. Is the pinch roller pressure set symmetrically from left to right?
Set both ends to the “high (strong)” position to ensure symmetrical pressure.

CSD200035 EN - 12 -
Q. The length of the cut is shrinking
A. Try setting the high speed limit [SPD LIMIT] in the register mark detection menu to 20 cm/s or lower.
GO to [SETUP] -> [MARK DETECT] -> [SPD LIMIT] to adjust the value.

CSD200035 EN - 13 -
This document was created based on calls received from users.
If you cannot solve the problem even after checking the contents of the document, or if you have any questions,
please contact your local dealer for assistance.
- End of document -