Kulzer cara Print 4.0 User manual

cara Print 4.0
Instructions for Use
cara makes life so easy

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Printed: 2017-07, 63450 Hanau (Germany)
© 2017 Kulzer GmbH
cara Print 4.0 Instructions for Use
W18519_REF_66069095_11_BA_GB_caraPrint4.0_V02
© 2017 Kulzer GmbH
For reference, write the following information from the Product Information Label located
on the back of your new printer here:
Model: Serial #

3Contents
W18519_REF_66069095_11_BA_GB_caraPrint4.0_V02
© 2017 Kulzer GmbH
Table of Contents
1cara Print 4.0 General Information 6
.................................................................................................................................. 61.1 Declaration of CE Conformity
2Instructions for Safe Use 7
.................................................................................................................................. 72.1 Explanation of symbols
.................................................................................................................................. 72.2 Transport Damage
.................................................................................................................................. 82.3 Operator's Obligations
.................................................................................................................................. 82.4 Operations and Maintenance Log Book
.................................................................................................................................. 82.5 Safety information
3Intended Use and Proper Operation 10
.................................................................................................................................. 103.1 Intended Use
.................................................................................................................................. 103.2 Proper Operation
4Scope of Delivery/Accessory Kit Components 11
.................................................................................................................................. 114.1 Scope of Delivery
.................................................................................................................................. 124.2 Accessory kit components, Model #ACC-OEM-HK10
5Identification and Interface 13
.................................................................................................................................. 135.1 Product Identification
.................................................................................................................................. 135.2 Interface Elements
6Transport and Installation 14
.................................................................................................................................. 146.1 Transport
.................................................................................................................................. 156.2 Unpacking
.................................................................................................................................. 166.3 Hardware Setup
.................................................................................................................................. 186.4 Software Setup
7 Operation 18
.................................................................................................................................. 187.1 Turning the Printer “ON”
.................................................................................................................................. 187.2 Waking the Printer from Stand-By Mode
.................................................................................................................................. 197.3 Turning Printer “OFF”
.................................................................................................................................. 197.4 Preparing the Printer for permanent Shutdown
.................................................................................................................................. 197.5 “Function Button” Functions and Corresponding LED Ring Illumination Codes
.................................................................................................................................. 207.6 Setup Troubleshooting
.................................................................................................................................. 217.7 Interface Misuse
.................................................................................................................................. 217.8 Configurations of Operations
.............................................................................................................................. 21Stand-Alone Configuration7.8.1
.............................................................................................................................. 22Networked Configuration7.8.2
8Safety Features 22

cara Print 4.0 Instructions for Use
4
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.................................................................................................................................. 228.1 Safety Features
.................................................................................................................................. 228.2 Operational Safety Features
9cara Print 4.0 On-Board Application Print Manual 23
.................................................................................................................................. 239.1 Introduction
.................................................................................................................................. 239.2 Icon Definition
.................................................................................................................................. 239.3 Language Selection – Initial
.................................................................................................................................. 249.4 Primary Menu
.................................................................................................................................. 249.5 Connecting to a Network
.............................................................................................................................. 24Wi-Fi/Ethernet Selection9.5.1
.............................................................................................................................. 24Advanced Ethernet Network Connection9.5.2
.............................................................................................................................. 25Advanced Wi-Fi Network Connection9.5.3
.................................................................................................................................. 269.6 Adding a Print Object Via USB Device
.................................................................................................................................. 269.7 Build Chamber Components
.................................................................................................................................. 279.8 Inserting and Positioning Print Vat
.................................................................................................................................. 279.9 Inserting and Securing Print Table
.................................................................................................................................. 289.10 Printing an Object
.............................................................................................................................. 28Print Library9.10.1
.............................................................................................................................. 29Material and Quality9.10.2
.............................................................................................................................. 29Prepare for Printing9.10.3
.............................................................................................................................. 29Printing9.10.4
.................................................................................................................................. 309.11 Removing the Print Table and Printed Object from the Printer
.................................................................................................................................. 319.12 Removing the Printed Object from the Print Table
.................................................................................................................................. 319.13 Changing Printer Name
.................................................................................................................................. 319.14 Changing Printer Language
.................................................................................................................................. 329.15 Password Protecting the Printer
.................................................................................................................................. 329.16 Factory Reset
10 cara Print CAM Desktop Application – Print Manager 32
.................................................................................................................................. 3210.1 Introduction
.................................................................................................................................. 3210.2 Initial Printer Set-Up
.............................................................................................................................. 33Automatic Connection10.2.1
.............................................................................................................................. 33Manual Connection10.2.2
.................................................................................................................................. 3310.3 Opening an Existing Print File
.................................................................................................................................. 3410.4 Transferring a Print File to a Printer
.............................................................................................................................. 34Transfer Via USB Device10.4.1
.............................................................................................................................. 34Transfer Via Network Connection10.4.2
.................................................................................................................................. 3410.5 Firmware Updates for cara Print 4.0
.............................................................................................................................. 35Firmware Update Via USB Device10.5.1
.............................................................................................................................. 35Firmware Update Via Network Connection10.5.2
11 cara Print CAM Desktop Application – Print Editor 36

5Contents
W18519_REF_66069095_11_BA_GB_caraPrint4.0_V02
© 2017 Kulzer GmbH
.................................................................................................................................. 3611.1 Loading a File into the Print Editor
.............................................................................................................................. 36Adding an .STL file11.1.1
.............................................................................................................................. 36Loading an Existing Print File into the Print Editor11.1.2
.................................................................................................................................. 3711.2 Positioning and Scaling Models for Print Optimization
.................................................................................................................................. 3711.3 Add Supports
.................................................................................................................................. 3911.4 Slicing the Model
12 Maintenance and Care 39
.................................................................................................................................. 3912.1 Cleaning
.............................................................................................................................. 39Cleaning the Printer12.1.1
.............................................................................................................................. 40General Vat Cleaning12.1.2
.............................................................................................................................. 41Print Table Cleaning12.1.3
.................................................................................................................................. 4112.2 Maintenance
.............................................................................................................................. 41Air Filters12.2.1
.............................................................................................................................. 41Vat Replacement12.2.2
.................................................................................................................................. 4112.3 Wearing Parts
13 Work Flow for Printing 42
14 Technical Data 43
.................................................................................................................................. 4314.1 cara Print 4.0 technical specifications
.................................................................................................................................. 4314.2 Operating conditions
.................................................................................................................................. 4414.3 Recommended System Requirements
.................................................................................................................................. 4414.4 Product Label – Information on Manufacturer and Electrical Specification
15 Trouble Shooting Guide 45
16 Error Codes 49
17 Tips and Tricks 50
18 Service 50
19 Document History 50

6cara Print 4.0 Instructions for Use
W18519_REF_66069095_11_BA_GB_caraPrint4.0_V02
© 2017 Kulzer GmbH
1cara Print 4.0 General Information
cara Print 4.0 is a dental laboratory device supplied by Kulzer GmbH.
These working instructions apply to:
Product
Number
Product
Name
Description
Date of
issue
66069095
cara Print 4.0
3D-DLP Printer for Photo Polymerization of
Liquid Materials for Dental Appliances
2017-07
cara Print 4.0 is an easily operated, high-precision, 3D printer to be used by trained
professionals in dental manufacturing environments.
cara Print 4.0 has an integrated controller installed inside the printer casing.
The software required for all the operations is pre-installed and ready for use.
The provided AC/DC power supply has been tested and is considered part of the
equipment.
1.1 Declaration of CE Conformity
cara Print 4.0 is a dental laboratory device; designed, manufactured and certified
according to the following directives, regulations and standards:
Machine Directive: 2006/42/EU
Directive for electromagnetic compatibility: 2014/30/EU
Harmonized standards:
Regulation for general medical device safety: EN 60601-1
Regulation for electromagnetic compatibility: EN 60601-1-2
Regulation for usability of medical electrical devices: EN 60601-1-6
Application of ergonomics of medical devices: EN 62366
We, Kulzer GmbH, herewith declare that above mentioned device fulfills the basic safety
requirements of mentioned standards, regulations and directives. In any case of non-
authorized modification, abnormal use or misuse of this device or document Kulzer is not
liable for any injury, risk or malfunction that may occur.

7
cara Print 4.0 General Information
W18519_REF_66069095_11_BA_GB_caraPrint4.0_V02
© 2017 Kulzer GmbH
2Instructions for Safe Use
2.1 Explanation of symbols
Symbol
Accompanying
word(s)
Explanation
CAUTION
This symbol indicates safety-relevant paragraphs and
sections in these working instructions
NOTE
This symbol indicates information within the working
instructions that optimizes the use of the unit
WARNING
This symbol warns of the dangers of electric voltage.
Failure to comply with safety guidelines and
procedures can result in electrical shock that may
lead to injury or death
DISCONNECT FROM
MAINS
This symbol indicates danger of electric shock when
unit enclosure is opened. Unplug the unit before
opening it
WEAR EYE
PROTECTION
This symbol indicates that eye protection is needed.
Failure to comply with safety guidelines and
procedures can result in injury to eyes
READ/REFER TO
INSTRUCTIONS FOR
USE
This symbol directs the operator or service agent to
read the Instructions For Use (IFU) for the Medical
Equipment to find important information
DC POWER
This symbol indicates the Medical Equipment utilizes
DC Power
DC JACK
POLARIZED
This symbol indicates that the DC power input jack for
the Medical Equipment is polarized. In particular, the
DC power input jack’s outer conductor is the
“negative” conductor and the inner conductor is
“positive” conductor
2.2 Transport Damage
Upon receipt of the equipment, check the unit for transport damage. If damage is found
to either the equipment or its shipping container, accept the unit with caution. Report
the potential damages to the forwarder and Kulzer within 24 hours after receiving the
unit.
CAUTION
Do not work with a damaged unit under any circumstances.

8cara Print 4.0 Instructions for Use
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2.3 Operator's Obligations
In addition to complying with the statutory regulations specified by the manufacturer,
the operator must ensure the statutory obligations are observed and implemented at
the work place, i.e. the operator must train personnel and comply with industrial safety
legislation and any other regulations or laws in force.
For working at and with the machine, the operator must draw up written instructions in
an understandable form and give these to the employees in their own language. These
instructions must be based on the cara Print 4.0 Instructions for Use and shall be written
considering the work to be performed.
2.4 Operations and Maintenance Log Book
Kulzer GmbH recommends the operator keeps a log book for the cara Print 4.0. All tests
on the equipment, necessary or suggested compliance testing, and essential works (e.g.
repair work, modifications) should be documented in this book.
2.5 Safety information
Safety concerning the protection of persons, the environment and the material to be
processed mainly depends on the behavior of the persons operating the unit.
WARNING
No modifications of this equipment is allowed.
CAUTION
Prior to operation, read the cara Print 4.0 Instructions for Use carefully. Adhere to the
information provided to avoid errors, equipment damage, and injury to the operator.
In addition to the information in these work instructions, relevant national laws and
guidelines must be observed for setting up and operating this unit (technical connection
requirements of the electrical supply companies, etc.).
CAUTION
The connecting power supply cable and plug must be checked for damage prior to
operation. If any damage exists, the unit must not be connected to the mains.
A damaged mains power supply may only be replaced by a mains power supply of the
same type.
Failure to comply increases risk of electrical shock and serious harm of operator,
patient or third parties.

9
Instructions for Safe Use
W18519_REF_66069095_11_BA_GB_caraPrint4.0_V02
© 2017 Kulzer GmbH
WARNING
To avoid risk of electric shock, this equipment must only be connected to a supply
mains with protective earth.
WARNING DISCONNECT FROM MAINS
Maintenance and repair of the electrical equipment of the unit must only be performed
by Kulzer in the “safe” condition (voltage cleared and unit unplugged from mains).
Service agents must observe the safety instructions when performing service to the
electrical equipment.
CAUTION
Proper function and safety of the unit are only guaranteed if the required tests,
maintenance and repair work have been performed by Kulzer.
NOTE
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the Instructions for Use, may cause harmful interference to
radio communications. However, there is no guarantee that the interference will not
occur in an individual installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
·Reorient or relocate the receiving antenna.
·Increase the separation between the equipment and receiver.
·Connect the equipment into an outlet on a circuit different from that of the receiver.
·Consult the dealer or an experienced radio/TV technician for help.
If this equipment is receiving interference that affects the cara Print 4.0, the user is
encouraged to try to correct the interference by one or more of the following
measures:
·Reorient or relocate the printer or emitting equipment.
·Increase the separation between the printer and emitting equipment.

10 cara Print 4.0 Instructions for Use
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·Connect the printer into an outlet on a circuit different from that of the emitting
equipment.
·Isolate the printer and emitting equipment from each other, setting up in separate
rooms if possible.
3Intended Use and Proper Operation
3.1 Intended Use
The cara Print 4.0 printer utilizes light to print 3-d objects in a photoinitiated liquid
transformed into dental appliances that are then used for medical applications such as:
Splints, Night Guards, Surgical Drilling Guides, Impression Trays, Temporary Crowns and
Bridges, Models and Partial Dentures (for model casting). Printing is done by trained
professionals in dental manufacturing environments (eg. dental laboratories, dentists).
The unit is not suitable nor intended for printing any other type of object, nor is it
intended for any other use or purpose.
NOTE
Any printed 3D dental object must be post cured with an appropriate post-curing device.
For Kulzer liquids we strictly recommend to use Hilite® power 3D device.
It is mandatory to observe and follow material application instructions for post curing
process completely, e.g. post-curing times, positioning, max. temperature, light intensity
& spectrum.
Instruction for use of post curing devices must be observed in parallel. Kulzer will not
become liable for incomplete or wrong production process accompany 3D printing.
3.2 Proper Operation
CAUTION
The unit is suitable to be set up and operated either in dental labs or a dental practice.
The unit has been designed for continuous operation.
·Only clean dental material specifically designed for the cara Print 4.0 shall be used.
·Remove the printed item and cured resin from the printer when printing is completed.
·Do not attempt to remove printed item from Print Table while Print Table remains
installed in the printer.
·Read and follow safety instructions of every liquid material in use. Wear personal
protective items if requested and strictly follow instructions for handling, storage and
disposal of material.

11
Intended Use and Proper Operation
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© 2017 Kulzer GmbH
·Printing material must be kept from exposure of ambient light (e.g. artificial lighting,
direct sunlight) while not being used for printing. Printing material shall be stored in
suitable storage containers that do not allow exposure to ambient light.
·It is mandatory to close the front door before starting the print. The unit operates only
when the front door is completely closed.
NOTE
Do not install additional software if not authorized by Kulzer GmbH.
4Scope of Delivery/Accessory Kit Components
Check that all components are in good condition upon delivery of the machine.
If items are missing or damaged, contact your supplier.
4.1 Scope of Delivery
A. cara Print 4.0 with external power supply, cord set, Print Table and Material Vat.
B. Instruction sheet for installing Instructions for Use from provided USB mass storage
device.
C. Accessory kit Part #ACC-OEM-HK10.

12 cara Print 4.0 Instructions for Use
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4.2 Accessory kit components, Model #ACC-OEM-HK10
A. Print Scraper (1x) – to remove print from Print Table
B. Microfiber Cloth (1x) – to clean printer
C. Nitrile Gloves (2 pair) – used when cleaning machine, handling parts or handling
material
D. Plastic Blade (3x) – to clean Print Table
E. Spatula (1x) – to mix material and clean away extra material
F. Funnel (1x) – to direct material back into holding bottle
G. Material Strainer (1x) – to separate and remove cured pieces from material
H. Replacement Carbon Filters (3x) – for upper chamber fan filter replacements
I. Sealable Cleaning Jar – (2x) to aid in cleaning part
J. Isopropyl Material Filters (5x) – to clean material out of Isopropyl Alcohol
K. Squeeze Bottle – for Isopropyl Alcohol (Isopropyl Alcohol is not provided in this kit)
L. Tweezers (1x) – to aid in cleaning part and removing cured pieces from material
M.Clippers (1x) – to clean supports from print

13
Scope of Delivery/Accessory Kit Components
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© 2017 Kulzer GmbH
5Identification and Interface
5.1 Product Identification
Manufacturer and electrical specification information (Product Identification Label) can
be found on the printer rear panel. An example of this label is shown in section “product
label” of this Instructions for Use.
NOTE
If requesting technical assistance, always take note concerning the model number and
serial number of the device. Write the information in the space provided on the inside
of the front cover of this manual.
5.2 Interface Elements
1. Front Door (Grab the indicated
area to pull door open)
2. USB Port (for Low Voltage Mass
Storage device ONLY)
3. Function Button
4. Touch Screen Display

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5. On/Off Switch
6. Ethernet Port (for Low Voltage
Network connection ONLY)
7. DC Power Inlet (Barrel Jack)
8. Fan Protective Covers (secures fan
filters in place)
Build Chamber Main Components
(Front Door Open)
9. Vat
10. Print Table Assembly
11. Lock Knob
6Transport and Installation
6.1 Transport
·Transport the unit oriented properly to prevent damage.
·Maximum stacking level of devices for shipment – 3 Levels.
·Do not stack additional items or shipments on top of devices.
·Protect from rain.
·Mechanical shock must be avoided.
·Storage and Transport temperature should not be less than 0°C (32°F) or more than
40°C (104°F).

15
Transport and Installation
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© 2017 Kulzer GmbH
·Storage and Transport relative humidity maximum shall be less than 80 %.
·For dimensions and weight refer to Section ”Technical Data”.
6.2 Unpacking
The cara Print 4.0 unit is shipped inside a cardboard shipping box. A cutter is required to
open it.
CAUTION
The cara Print 4.0 printer is a precision instrument. Care must be taken to handle the
printer gently during unpacking and set-up.
1. Cut the tape that secures the top flaps of the shipping box.
2. Remove Accessory kit, IFU Installation Instruction Sheet and top pieces of shipping
stabilizing foam from the shipping box.

16 cara Print 4.0 Instructions for Use
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3. Remove the printer from the box. Position the printer on a stable, stationary support
(table, counter top, etc. with a load bearing capacity of at least 40 kg (88 lbs).
NOTE
Keep the shipping packaging in case you need to ship the printer for technical
assistance.
6.3 Hardware Setup
·The printer must be placed on a solid, rigid, level and skid-proof surface (laboratory
desks, racks) so that a horizontal, safe, vibration-free position is ensured.
·The printer or material vat should not be placed directly in the sunlight or close to a
bright light source.
·The printer shall be placed in a location that is dry. It shall not encounter liquids or
fluid leaks.
·The printer shall be installed in a low dust environment. When not in use, the front
door shall be closed, and the material vat shall be covered.
·The room temperature should not be less than 15°C (59°F) or more than 35°C (95°F).
The humidity should be less than 80 %.
·The support surface shall be stationary (no castors) and must have a load bearing
capacity of at least 40 kg (88 lbs).
CAUTION
·Take care not to pinch your fingers when placing the printer on the table.
·Air inlet and outlet openings in the housing of the unit (rear surface) must not be
covered or blocked. The rear of the unit must be at least 100 mm away from any wall
to avoid blocking air outlet of the built-in fan. A footprint area (w x d: 750 x 750 mm) is
required.

17
Transport and Installation
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·The printer needs to be positioned on the support table in a manner that allows access
to the mains socket for disconnection from mains if needed.
·Do not initialize the printer prior to acclimatization.
To properly set up the hardware, connect the cara Print 4.0 to an AC power socket (A)
using ONLY the power supply (either model #MeanWell GSM60A12-P1J or #MeanWell
GSM90A12-P1M) and cord provided with the cara Print 4.0 printer.
Mains: 100-240 VAC, 50/60 Hz with protective earth. Connect to mains with protective
earth in accordance with local power supply specifications.
Insert the barrel connector of the provided power supply into the barrel jack in the cara
Print 4.0 printer (B).
NOTE
As with most computer equipment, it is recommended that the operator supplies
adequate surge protection and short term power backup to allow slow system shut-
down.
CAUTION
·Do not use any type of extension cord other than a surge protection cord.
·Do not directly connect the device to any type of emergency backup generator that is
not connected to mains power.
NOTE
If additional hardware is installed, it could cause malfunctions to the system. Do not
install any other additional hardware if not authorized by Kulzer GmbH.

18 cara Print 4.0 Instructions for Use
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6.4 Software Setup
·cara Print 4.0 printer does not require any software to be installed by the operator.
The software is already installed and configured.
·cara Print CAM software must be loaded on a laptop or desktop computer to create
print files. Software updates and instructions can be accessed at www.kulzer.com
NOTE
Do not install additional software if not authorized by Kulzer GmbH.
7 Operation
7.1 Turning the Printer “ON”
Turn “on” the rear mains On/Off switch.
The Function Button on the front of the
printer will illuminate and fade to “off”
multiple times while the system boots up.
Initial startup may take several minutes.
For Button Illumination codes, see Section
”Function Button”.
7.2 Waking the Printer from Stand-By Mode
Press the Function Button to end Stand-By
Mode. When in Stand-By Mode, the LED
ring on the Function Button ebbs on for 1½
second, ebbs off for ½ second and repeats.
For Button Illumination codes, see Section
”Function Button”.

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Operation
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7.3 Turning Printer “OFF”
Turn “off” the rear mains On/Off switch.
7.4 Preparing the Printer for permanent Shutdown
If the printer is out of use for an extended period of time (> 8 hours):
·Turn off the rear On/Off switch.
·Unplug the mains connecting cable.
·Clean the print chamber (see section “Cleaning”).
·Place the Vat cover on the Material Vat or completely clean the Material Vat free of
material.
·Close the front door of the printer.
7.5 “Function Button” Functions and Corresponding LED Ring Illumination
Codes
The Function Button:
·Activates the touchscreen display and ends Stand-by Mode when pressed – Light turns
solid On.
·Returns printer into Stand-By Mode when pressed – Light ebbs On and Off in a slow
cycle.
·Pauses printing when pressed once while printer is printing – Light blinks On and Off.
·Re-starts paused printing when pressed again – Light turns on for approximately
1 second, turns off ½ second, then repeats throughout duration of printing.
·Indicates printer is printing – Light turns on for approximately 1 second, turns off
½ second, then repeats throughout duration of printing.
·Indicates printer is finished printing – Light blinks ½ second On, ½ second Off, repeat.
·Indicates door open during printing – Light blinks ¼ second On, ¼ second Off, repeat.

20 cara Print 4.0 Instructions for Use
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7.6 Setup Troubleshooting
If an error is encountered, follow each “Possible Causes” and “Remedy” in order of listing
in the table.
Error description
Possible causes
Remedy
1
The printer does
not turn on after
pressing the
Function button
·Printer has not completed
booting up
·Check Function button to
see if it is blinking. If it is
slowly blinking, printer is
booting up. Wait for
printer to complete boot
cycle
·Printer requires a re-boot
·Turn rear On/Off button
“Off”. Wait 15 seconds.
Turn rear On/Off button
“On”
·Main connecting cable
disconnected from mains
or printer
·Connect the main cable to
mains and printer
·Rear On/Off switched Off
·Turn On the rear On/Off
switch
·No power to mains outlet
·Inspect mains electrical
fuses or breaker switch
·Defective power supply
·Confirm LED lit in power
supply
·If none of the above
solves the problem,
contact the Kulzer online
support
2
Touchscreen
lights up, but
does not display
cara Print 4.0
main page
·Printer requires a re-boot
·Turn rear On/Off button
“Off”. Wait 15 seconds.
Turn rear On/Off button
“On”
·If none of the above
solves the problem,
contact the Kulzer online
support