Summa S2 CLASS Service Manual
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Summary of Contents for Summa S2 CLASS

  • Page 1 Service manual...
  • Page 2 Revised January 11, 2021...
  • Page 3: Table Of Contents

    Table of Contents Service manual ....................1-1 Setup ......................1-1 INTRODUCTION ..................1-1 Overview ..................1-1 Manual organization ................ 1-1 Quick tour around the machine ............. 1-3 1.3.1 The Cutter as viewed from the Front ........... 1-3 1.3.2 The Cutter as viewed from the Back ........... 1-4 Replacements guidelines.................
  • Page 4 The unit has to be recalibrated when: ..........3-4 3.2.2 Calibration via touch panel: ..............3-4 3.2.3 Calibration via Summa Cutter Control: ..........3-5 Head calibration ................3-6 3.3.1 Knife calibration .................. 3-6 The knife has to be calibrated when: ..........3-6 3.3.1.1...
  • Page 5 Touch screen calibration .............. 3-18 3.7.1 The touch screen has to be recalibrated when: ......... 3-18 3.7.2 Touch screen calibration ..............3-18 3.7.3 Alternative method ................3-18 Basic Operation ..................4-1 Touch Screen .................. 4-1 4.1.1 Touch screen familiarization ..............4-1 Configuration Menu ................
  • Page 6 4.2.2.8.2 USB Class ................. 4-9 4.2.2.8.3 LAN ................... 4-9 Calibrate X(/Y) ................4-9 4.2.2.9 Coil Setup ..................4-9 4.2.2.10 Factory defaults ................4-9 4.2.2.11 Copy current user ..............4-10 4.2.2.12 Media Sensor Setup ..............4-10 4.2.2.13 Calibrate Touch Screen ............. 4-10 4.2.2.14 4.2.3 Actions ....................
  • Page 7 Identification Plates .................. 7-1 Cutter accessories and consumables............ 8-1 First Aid Kit for S Class 2 ................ 9-1 KIT S2 CLASS .................. 9-1 KIT S2 T .................... 9-2...
  • Page 9: Setup

    1 Setup INTRODUCTION Overview This is the Summa Service Manual for the S Class series cutters. It provides information for servicing the cutters. All repairs are to be made by, or under the direction of, authorised Summa service personnel. There will be only one version of this manual. All changes will be send out as appendices or service aids.
  • Page 10 Detailed figures of the various parts and assemblies of the machine. Spare parts list An overview of all the recommended spare parts. Normally only the parts figuring on this list will be provided by Summa. Consumables list: An overview of all the consumables...
  • Page 11: Quick Tour Around The Machine

    S Class 2 cutter Service manual Quick tour around the machine 1.3.1 The Cutter as viewed from the Front FIG 1-1 1-1 S CLASS 2 CUTTER, FRONT VIEW 1. Pinch rollers: The pinch rollers clamp the media to the drive system to ensure accurate tracking.
  • Page 12: The Cutter As Viewed From The Back

    S Class 2 cutter Service manual 5. Tool carriage: The tool carriage is the mount for the knife holder, pen or pouncing tool. It has also holds the Optical POSitioning sensor (OPOS) and a cut-off knife to cut a sheet from the roll when a job is finished.
  • Page 13 S Class 2 cutter Service manual WARNING: For continued protection against risk of fire, replace only with the same type and rating of fuse. 4. USB port type A female: For plugging in a USB stick. 5. Ethernet port RJ45: For connecting the cutter to the LAN. 6.
  • Page 15: Replacements Guidelines

    2 Replacements guidelines General This section contains information on replacing defective parts and adjustment procedures. A step-by-step removal/assembly procedure is provided in this section. On the left page you will find drawings indicating the position of the parts. Use the last section of this manual for detailed assembly pictures.
  • Page 16 S Class 2 cutter Service manual Left end cover 395-211 (without label) Right end cover S2 395-212 (without touch screen) Long screws ND5000-9556 5L + 5R Rozet ND5000-9639 5L + 5R Replacements guidelines...
  • Page 17: Removing The Left-Hand Cover

    S Class 2 cutter Service manual Removing the left-hand cover To remove the left-hand cover, proceed as follows: 1. Remove the five screws holding the left-hand cover in place. Three are located at the front, two at the rear. Pay close attention to where each of the screws goes. They should be returned to their original location when re-installed.
  • Page 18 S Class 2 cutter Service manual Bottom plate 75 395-363 395-373 395-383 395-353 screw ND5000-9125 (# depends on type of machine) Pinch wheel 391-326 Retaining ring 3.2mm ND5000-9382 Pinchwhee(2)+circlips 392-401 Replacements guidelines...
  • Page 19: Removing The Bottom Plate

    S Class 2 cutter Service manual Removing the bottom plate To remove the bottom plate, proceed as follows: Turn the unit upside down. 2. Remove the screws holding the bottom plate in place (the number of screws varies depending on the cutter type). 3.
  • Page 20 S Class 2 cutter Service manual Sensor board 399-965 screw ND5000-9392 cutting strip 75 & 120 391-886 400-565 pouncing strip 5m 391-598 Replacements guidelines...
  • Page 21: Replacing The Media Sensors

    S Class 2 cutter Service manual Replacing the media sensors Cutters are equipped with two media sensors. One is located at the front and the other at the rear of large sleeve. Note: When one sensor is malfunctioning it is advisable to replace both sensors. Experience has shown that soon after replacing the broken sensor, the other sensor tends to start malfunctioning as well.
  • Page 22 S Class 2 cutter Service manual screw ND5000- 9694(3 per motor) X motor with encoder and pulley S2 395-602 screw ND5000- 9694(3 per motor) X motor without encoder with pulley 395-400 Replacements guidelines...
  • Page 23: Replacing An X-Motor

    S Class 2 cutter Service manual Replacing an X-motor The S120, 140 and S160 are equipped with two X-motors. Although both motors are driven, only the one with the encoder is used for feedback. 2.9.1 Replacing the X-motor with the encoder To replace the X-motor with the encoder, proceed as follows: 1.
  • Page 24 S Class 2 cutter Service manual X motor with encoder and pulley S2 395-602 Replacements guidelines 2-10...
  • Page 25: Replacing The Y-Motor

    S Class 2 cutter Service manual 2.10 Replacing the Y-motor To replace the Y-motor, proceed as follows: 1. Remove the right-hand cover (see Section 2.4, removing the right-hand cover). 2. Loosen the screws of the power entry and pull it out leaving it hanging. 3.
  • Page 26 S Class 2 cutter Service manual Replacements guidelines 2-12...
  • Page 27: Replacing The Touch Screen

    S Class 2 cutter Service manual 2.11 Replacing the touch screen To replace the touch screen, proceed as follows: 1. Remove the right-hand cover (see Section 2.4, Removing the right-hand cover). 2. Remove flatcable of the touch screen. 3. Loosen the 4 screws of the touch screen. To re-install, proceed in the reverse order of removal.
  • Page 28: Replacing The Pinch Roller Switch

    S Class 2 cutter Service manual 2.12 Replacing the pinch roller switch To replace the pinch roller switch, proceed as follows: 1. Remove the right-hand cover (see Section 2.4, Removing the right-hand cover). 2. Remove tie wraps of the cable from the switch to the main board. 3.
  • Page 29: Replacing The Main Pcb

    2. Reboot the cutter. 3. Set the cutter in “Service Mode” by tapping and holding the top left corner of the display while the machine displays the Summa logo. Confirm by clicking the back key. 4. Connect the cutter with a computer. Verify communication parameters on cutter and computer to match.
  • Page 30 S Class 2 cutter Service manual Remember the location where the backup is stored. 2. Disconnect the power cord and the USB and/or LAN connector. Remove the USB-stick. 3. Remove the right-hand cover. The cover is fixed by 5 screws. When sliding away the cover, take care for the flat cable running from the display to the main board.
  • Page 31 S Class 2 cutter Service manual 6. Remove the 4 screws holding the main board. Take the defective main board away. 7. Place the new main board over the 4 mounting studs and fix with the 4 screws. 8. Reconnect all cables to the new main board. J11: Rear Media sensor J10: Front Media sensor J15: Cam position switch...
  • Page 32 11. Connect the cutter to the mains power and switch the cutter on. 12. Set the cutter in “Service Mode” by tapping and holding the top left corner of the display while the machine displays the Summa logo. Confirm with a click on the back button.
  • Page 33 15. Restore the previously made back-up: 20. Connect the cutter with a computer. Verify communication parameters on cutter and computer to match. 21. Start Summa Cutter Control. 22. Click [Settings], [Restore…]. 23. Browse for the backup file previously made. Wait 30 seconds for the configuration to be completed.
  • Page 34 S Class 2 cutter Service manual 25. Touch screen calibration 26. Media sensor calibration 27. Coil setup 28. Knife calibration 29. OPOS offset calibration 30. Right margin calibration 31. Media length calibration 32. Extra pen offset calibration 17. Remove the right-hand cover (see Section 2.4, Removing the right-hand cover). 18.
  • Page 35: Replacing The Power Supply

    S Class 2 cutter Service manual 2.14 Replacing the Power Supply To replace the power supply, proceed as follows: 1. Remove the right-hand cover (see Section 2.4, Removing the right-hand cover). 2. Remove the main PCB (see Section 2.13, replacing the main board). 3.
  • Page 36 S Class 2 cutter Service manual changing head 1 changing head 2 changing head 3 changing head 4 changing head 5 changing head 6 changing head 7 changing head 8 Replacements guidelines 2-22...
  • Page 37: Replacing The Toolhead

    S Class 2 cutter Service manual 2.15 Replacing the toolhead Below is the description for the replacement of a standard tangential head. The procedure described is also roughly applicable to the replacement of a drag head. The areas where the replacement procedure for the drag head differs are indicated between brackets and in italics.
  • Page 38 S Class 2 cutter Service manual 4. Replacing the head using tool version 2 2.95mm Maximum height knife holder (nose piece) 2.65mm Minimum height knife holder (nose piece) 3.2mm Height floorplate 4.4mm Height right side of separation knife Replacements guidelines 2-24...
  • Page 39 S Class 2 cutter Service manual Caution: While checking height of the head, be sure not to push the knife holder upwards. 6. Move the head all the way to the right to check if the OPOS sensor is pushed upwards. The plastic part at the right side of the base plate should push the sensor 0.3mm to 0.5mm (movement visible in direction shown by 2 in changing head 7).
  • Page 40: Replacing The Pinch Roller Sensor

    S Class 2 cutter Service manual 2.16 Replacing the pinch roller sensor The pinch roller sensor is located on the rear side of the carriage. To replace the sensor, follow the procedure to change the head, then replace the sensor. The sensor is fixed with two screws at the bottom of the carriage.
  • Page 41 S Class 2 cutter Service manual Pictures are made for a Tangential flatcable assy. The procedure for a drag flatcable assy is similar. Replacements guidelines 2-27...
  • Page 42: Replacing The Flatcable

    S Class 2 cutter Service manual 2.17 Replacing the flatcable Flatcables are sold as an assembly. Reason is that the metal guide is unusable after it has been removed. It is not recommended to buy flatcable and metal strip separately. To replace the flatcable, proceed as follows: 1.
  • Page 43: Replacing The Pinch Roller Handle

    S Class 2 cutter Service manual 2.18 Replacing the Pinch Roller Handle This procedure describes how to replace the cam handle. 2.18.1 Required Tools Philips screwdriver #1 2.18.2 Required Parts Cam Handle, part number 395-012 2.18.3 Procedure To replace the cam handle, proceed as follows: Switch the cutter off.
  • Page 44 S Class 2 cutter Service manual Remove spring from the switch actuator at the end of the pinch roller bar. Lower the pinch rollers. Remove the screws from the cam handle. Raise the pinch rollers. Slide the pinch roller blocks over the wide sleeve of the drive drum. Slide the pinch roller bar 3 cm (1 inch) to the left.
  • Page 45 S Class 2 cutter Service manual Remove the end piece from the pinch roller bar. Slide the pinch roller bar out of the machine to remove the old cam handle. Re-insert the pinch roller bar, while sliding the pinch roller bar in the new cam handle. Watch the position of the notch at the end of the pinch roller bar: the screw to fix the switch actuator should point upwards.
  • Page 46 S Class 2 cutter Service manual Add the end piece to the pinch roller bar. Slide the pinch roller bar to the end of the machine. You may need to lift the switch actuator to slide it in the side plate. Lower the pinch rollers.
  • Page 47: Replacing The Drive Drum

    S Class 2 cutter Service manual 2.19 Replacing the drive drum This procedure describes how to replace the drive drum in an S Class (2) series cutter. As all the sleeves on the drive drum are matched to each other for an equal diameter, it is not possible to replace a single sleeve.
  • Page 48 S Class 2 cutter Service manual this flat cable at the main board end by sliding away the latch on the connector, then pull gently on the flat cable. Optionally remove the left end cover (5 screws) and the top cover (3 screws on each side).
  • Page 49: Replace The Drive Drum

    S Class 2 cutter Service manual 2.19.4 Replace the drive drum Remove all screws used to fix the bearing blocks (14 to 24 screws, depending on machine size). In case spacers were mounted between the bearing blocks and the bottom plate, then they need to be re-used. Disconnect the cable from the front media sensor.
  • Page 50 S Class 2 cutter Service manual Push the bearing block to the right of the wide sleeve towards the wide sleeve (to the left), while pushing the bearing block to the front of the machine. Fix the bearing block with the black and white screw (ty-wrap holder becomes between the white screw and the bearing block).
  • Page 51: Reassemble The Parts

    S Class 2 cutter Service manual Reconnect the front media sensor. 2.19.5 Reassemble the parts Re-install the bottom plate. Attach some ty-wraps on the fan cable. Reconnect the fan-connector. Turn the unit the right side up again. Push the pulley back into its place. Make sure the distance between the pulley and the side plate are the same as before and that the setscrews are positioned correctly so that it locks itself into the slot on the drive drum.
  • Page 53: Calibration

    3 Calibration General This section contains information on the calibration of replaced parts and on the recalibration of worn down parts. Most of the calibrations have already been explained earlier in the manual, however this is a resume of all calibration and with each calibration it is explained when it has to be done.
  • Page 54: Machine Type

    S Class 2 cutter Service manual Machine type The machine type can be set by either Summa Cutter Control or via the touch panel. It is not advised to change the machine type via touch panel. This means entering service mode. Caution: Service mode is reserved for technician trained by Summa.
  • Page 55: Via Computer

    3.1.2.2 Via computer: 1. Start the summa cutter control program 2. press “Alt”, “Ctrl, “Shift” and “m” 3. Choose the right machine type and click “OK”.
  • Page 56: Length Calibration

    PCB has been replaced or defaulted The media calibration can be done by either Summa Cutter Control or via the touch panel. Media calibration is user depended. So if a user is changed, then length calibration can be different.
  • Page 57: Calibration Via Summa Cutter Control

    Calibration via Summa Cutter Control: 1. Load media in the machine (the wider the media, the more accurate the calibration). 2. Start the Summa Cutter Control program. 3. Select Settings -> Calibrate. The cutter will reload the media and perform the length calibration test. Take the media and measure the length of the cut line with a ruler (measuring device).
  • Page 58: Head Calibration

    S Class 2 cutter Service manual Head calibration 3.3.1 Knife calibration 3.3.1.1 The knife has to be calibrated when: a knife is replaced. the tool carriage has been replaced the PCB has been replaced or defaulted 3.3.1.2 Pressure calibration (drag and tangential): The pressure calibration is only for the drag knife important for the knife depth.
  • Page 59: Knife Offset Calibration (Drag Only)

    3.3.1.3 Knife offset calibration (drag only): Typical knife offset for Summa knifes is 0.41-0.45 for standard knives and 0.9-0.97 for sandblast knives. 1. Power on the cutter, load media, and mount knife.
  • Page 60: Knife Calibration (Tangential Only)

    S Class 2 cutter Service manual 3.3.1.4 Knife calibration (tangential only): The purpose of the knife calibration routine is to detect and, if need be, to correct problems related with the concentricity of the tangential knife blade. 1. Power on the cutter, load media, and mount tangential knife (see section 1). 2.
  • Page 61 S Class 2 cutter Service manual Start with the setting of the origin, then set the other parameters Origin correction If the clear cut line in test pattern 3 is to the right, then increase the value of the origin, begin in steps of 20, and lower the steps when nearing the correct origin setting.
  • Page 62: Coil Calibration

    S Class 2 cutter Service manual 3.3.2 Coil calibration 3.3.2.1 The coil has to be recalibrated when: the cut quality is dubious. the tool carriage has been replaced the PCB has been replaced or defaulted 3.3.2.2 Calibration: Before setting doing the coil setup, it is imperative to check the height of the carriage. If the height is not correct, then setting coil will not be correct.
  • Page 63 S Class 2 cutter Service manual Click on the parameters you like to change and use to change the value of the highlighted parameter. Press to terminate this setup. Setting 40g pressure and 600g (400g) pressure. To execute this test, a tension gauge of ± 100 gr and ± 600 gr is required. Measure the pressure on the knife with the tension gauge.
  • Page 64: Media Sensor Calibration

    S Class 2 cutter Service manual Media sensor calibration 3.4.1 The media sensors have to be recalibrated when: sensors have been changed. the PCB has been replaced or defaulted 3.4.2 Calibration of the media sensors: Do the sensor calibration with a pinchroller assy above the rear sensor and a piece of media with good reflecting backing.
  • Page 65 S Class 2 cutter Service manual 9. Use to change the trigger level if necessary. Ideally there would be 2 to 4 black squares when the sensor is uncovered, the rectangle is completely filled when it is covered, and the trigger level is set in the middle. Calibration 3-13...
  • Page 66: Opos Calibration

    OPOS. The media used in MI9104 is 3M cast white vinyl. Black is printed with a thermal transfer printer from Summa. Gray is 20% black printed 50 lpi ellipse. 1. Power on the cutter in Service Mode, press 2.
  • Page 67: Media Calibration For Opos

    S Class 2 cutter Service manual 6. Put the black square underneath the sensor and turn on R7 until the readout is 1940. 7. Put the gray underneath the sensor. The readout should be between 400 and 700. If not turn on potentiometer R3 until the value is above 400.
  • Page 68 S Class 2 cutter Service manual 4. Press , then press 5. The different OPOS configuration menus will appear on screen. 6. Press The cutter allows the user to choose to either measure the media or to fill in a previously recorded value.
  • Page 69: Right Margin Calibration

    S Class 2 cutter Service manual Right margin calibration 3.6.1 The margin has to be recalibrated when: Pinchroller sensor on head was changed. The PCB has been replaced or defaulted. 3.6.2 Margin calibration 1. Turn on the cutter in Service Mode and load vinyl. 2.
  • Page 70: Touch Screen Calibration

    Alternative method 1. Power on the cutter. 2. Touch and hold the upper right corner of the display while the Summa logo is displayed. 3. Release the screen when the touch screen calibration image appears. 4. Follow the onscreen instructions: With a pen, tip once on the four crosses.
  • Page 71: Basic Operation

    4 Basic Operation Touch Screen The 320x240 dot touch screen provides a unique interface system allowing detailed cutter status information and a more flexible and powerful control of the configuration of the cutter. All screen and optional panel controls on the touch screen are easily formatted to allow quick access to the most common cutter settings.
  • Page 72 S Class 2 cutter Service manual ➢ Most common buttons on touch screen: Normally, the status or current value is visible on the left side of the screen, while the control buttons appear on the right side. Pause Settings Actions Origin There are five main control buttons: Configuration 1...
  • Page 73: Configuration Menu

    S Class 2 cutter Service manual Configuration Menu The Settings button gives access to the main menu. Pressing this button will cause the cutter to go offline and suspend all operations in progress. The main menu contains all submenus and access to tests and calibration routines. The chosen tool will influence the displayed configuration.
  • Page 74 OPOS sheet mode OPOS panelling OPOS monitor Communication Emulation language AUTO Tool commands Accept USB Class Summa USB port 1 Length calibration Coil setup Factory defaults More Copy current user Media sensor setup Calibrate touch screen CONFIGURATION MENU Basic Operation...
  • Page 75: Service

    The system registry submenu is used to show the value of all registries. It is not advised to make changes in the registry values. This submenu can be used to troubleshoot problems together with a Summa technician over the phone. It is possible that some values will be asked.
  • Page 76: Hardware Test

    S Class 2 cutter Service manual 4.2.1.8 Hardware test The hardware test submenu is used to test all hardware of the cutter. During this test certain actions will be asked. This test needs the USB interface connected to a computer. The roll-up is also needed.
  • Page 77: Advanced Cutting

    S Class 2 cutter Service manual MODE 1 is the quickest mode, but it is less precise because the pressure changes during the cutting. MODE 2 is a lot slower, but at the same time it is much more precise, as the cutter stops at every change of pressure.
  • Page 78: Panel Replot

    S Class 2 cutter Service manual 4.2.2.5.5 Panel Replot This parameter determines if the design has to be cut more than once on top of itself, this per panel. Panel replot is used for thick media and media which is difficult to cut. The value of this parameter is disregarded if panelling is set to off.
  • Page 79: Cut Off Margin

    S Class 2 cutter Service manual 4.2.2.6.3 Cut off margin: The recut offset submenu is used to set or modify the distance the media moves forwards after the last job before it is cut off. Default value is 10mm. 4.2.2.6.4 Roll up media: The roll up media submenu is used to set or modify the parameters of the roll up system.
  • Page 80: Alignment Mode

    S Class 2 cutter Service manual 4.2.2.7.3 Alignment mode: There are six alignment methods available on all S class cutters: X-Alignment, XY-Alignment and XY-Adjustment, OPOS-X, OPSO-XY and OPOS-Barcode. The first three alignment methods can be used if the combination of marker color – media color cannot be read by the OPOS sensor.
  • Page 81: Communication

    4.2.2.8.2 USB Class USB class can be set to Summa USB port 1, Summa USB port 2, Summa USB port 3, Summa USB port 4 or Printer Uni. Printer Uni is for using the windows printer spooler.
  • Page 82: Copy Current User

    S Class 2 cutter Service manual 4.2.2.12 Copy current user Press the button to copy the user parameters from the current user to all the other users. It is recommended to do this only when the current user is user 1. 4.2.2.13 Media Sensor Setup The Media Sensor Setup option is a useful routine to check whether or not the front and rear media sensors are functioning properly and whether the switching levels of these sensors are...
  • Page 83: Confidence Test

    NOTE: Factory default values for the different users are set all the same. NOTE: The touch screen can be used to change user configurations. User configuration names can only be modified through Summa Cutter Control (PC only). Tip: Use easy names to recognize quickly for what the user was configured.
  • Page 84 S Class 2 cutter Service manual If the Pause button is pressed, then the tool can be moved around the working area with arrow buttons. Basic Operation 4-12...
  • Page 85: Maintenance And Cleaning

    5 Maintenance and Cleaning Introduction The S Class cutter range has a number of sliding surfaces made of smooth metals and plastics. They are virtually friction-free and require no lubrication. They will, however, collect dust and lint that may affect the performance of the cutter. Keep the cutter as clean as possible by using a dust cover.
  • Page 86: Cleaning The Media Sensors

    S Class 2 cutter Service manual FIG 5-1A FIG 5-1B LIFTING THE PINCH ROLLER PLACEMENT OF VINYL STRIP 8. Use to move the piece of vinyl back and forth several times until all residue is removed from the drive sleeves. 9.
  • Page 87: Cleaning The Nose Piece (Tangential Machine Only)

    S Class 2 cutter Service manual FIG 5-3 SLIDING SURFACES ON Y-GUIDING Over time, there may be some accumulated residue on these sliding surfaces and on the rollers of the tool carriage. Cleaning the sliding surfaces of the Y guiding: 1.
  • Page 88: Cleaning The Opos System

    S Class 2 cutter Service manual Cleaning the OPOS system. The optical system will collect dust. Therefore, the small hole in the sensor should be cleaned regularly with a cotton-tipped swab. Cleaning the OPOS system: Locate the hole in the OPOS sensor holder at the left side of the tool carriage. Remove the sticker from over the hole.
  • Page 89 S Class 2 cutter Service manual FIG 5-2 5-2 POWER ENTRY MODULE 1. Remove the fuse holder. 2. Pull the fuse from the holder. 3. Put new fuse in the holder and clip the holder back into place. Maintenance and Cleaning...
  • Page 91: Error Codes

    6 Error codes This section contains information on the most common error codes which can appear on the touch screen. A step-by-step procedure is provided to prevent this error. X-axis error! Overflow or Overcurrent! Cause: The drum motor cannot move to the required position. This is a fatal error. It can only be solved by turning the power off and then on again.
  • Page 92: Cutter Is Unable To Find The Knife Home Position

    S Class 2 cutter Service manual 1. Remove the crashed media and restart the machine. 2. Lower the speed and/or the knife pressure. 3. Check whether the head moves smoothly (first turn the power off and position the cam rollers on the outer edges of the media). 4.
  • Page 93: Unable To Lower Opos

    S Class 2 cutter Service manual Unable to lower OPOS Cause: The encoder which speeds up up/down movement does not function. Action: 1. Check whether the knife holder goes up and down smoothly when the power is switched off, also check whether OPOS lowers when knife is pulled up. If not, something is wrong with the head.
  • Page 94: Illegal Plot Command

    S Class 2 cutter Service manual Illegal plot command Cause: For DMPL, when a wrong set of instruction is sent to the machine. This message only appears when the machine is configured to report DMPL ERRORS. Action: 1. If the cut result is not satisfactory, lower the baud rate at the machine side and at the computer side.
  • Page 95: Internal Errors

    S Class 2 cutter Service manual Fatal errors: System NVRAM checksum failure - system NVRAM has been defaulted try to reboot machine, User NVRAM checksum failure, System NVRAM would not accept value written to it, User NVRAM would not accept value written to it. NVRAM update unknown Action: 1.
  • Page 96: Ram Error

    S Class 2 cutter Service manual Action: 1. Those are fatal errors. If they occur during an upgrade reboot and try again. 2. Download the flashfile again from the internet, file could be corrupt and check if the flashfile is for the S Class 2 cutters (MD9981). 3.
  • Page 97 7 Identification Plates 395-702 LOGO STICKER S2D120 395-703 LOGO STICKER S2D140 395-704 LOGO STICKER S2D160 395-705 LOGO STICKER S2D75 395-706 LOGO STICKER S2TC140 395-707 LOGO STICKER S2TC160 395-708 LOGO STICKER S2TC75 395-709 LOGO STICKER S2T120 Identification Plates...
  • Page 98 S Class 2 cutter Service manual 395-710 LOGO STICKER S2T140 395-711 LOGO STICKER S2T160 395-712 LOGO STICKER S2T75 420-618 SUMMA NAMEPLATE BLACK Identification Plates...
  • Page 99 8 Cutter accessories and consumables Below table lists the accessories and consumables. Some of those parts comes standard with the cutter, depending on the model. DESCRIPTION REFERENCE PICTURE Power cable (Regional differences, contact local dealer for exact part number) USB cable 399-111 Media flanges 391-510...
  • Page 100 S Class 2 cutter Service manual DESCRIPTION REFERENCE PICTURE Knife plate 395-415 Razor blade 391-146 (set of 10) Standard tangential knife 36° 390-534 (set of 5) Sandblast tangential knife 60° 390-550 Double sided tangential knife 36° 390-551 Double wedge tangential knife 45° 390-560 Insertion tool for tangential knife 390-553...
  • Page 101 S Class 2 cutter Service manual DESCRIPTION REFERENCE PICTURE Nose piece drag knife (not for cutter with head for drag 395-330 knife) Ballpoint pen holder 395-324 Ballpoint 395-325 Tangential pouncing pin holder with 395-315 pouncing pin Plotter pen MP06BK (set of 4) Standard drag knife holder for drag 391-332 head...
  • Page 102 S Class 2 cutter Service manual DESCRIPTION REFERENCE PICTURE Sandblast drag knife 55° 391-358 (set of 5) Roller ball black 395-430 (set of 4) Roller ball blue 395-431 (set of 4) Universal pen holder 395-434 Drag pouncing pin holder 395-313 with pouncing pin Pouncing pin 391-592...
  • Page 103 It is recommended to have the First Aid Kit at hand to be able to help the customer as soon as possible. The kit contains the most common parts needed to service the cutter. KIT S2 CLASS DESCRIPTION AMOUNT PICTURE PINCH ROLLERS (2PCS.) &...
  • Page 104 S Class 2 cutter Service manual DESCRIPTION AMOUNT PICTURE FLAT CABLE COLOR TOUCH SCREEN COLOR TOUCH SCREEN ASSY, MAIN BOARD S CLASS 2 KIT S2 T DESCRIPTION AMOUNT PICTURE PINCH ROLLERS (2PCS.) & CLIPS ASSY, MOTOR WITH ENCODER & PULLEY ASSY, T HEAD ASSY, PINCH ROLLER SENSOR First Aid Kit for S Class 2...
  • Page 105 S Class 2 cutter Service manual DESCRIPTION AMOUNT PICTURE POWER SUPPLY S CLASS FLAT CABLE COLOR TOUCH SCREEN COLOR TOUCH SCREEN ASSY, MAIN BOARD S CLASS 2 First Aid Kit for S Class 2...

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