Used Automatic Grinding Machine for sale (74,108)

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, machine/vehicle number: MGB1320E, center height: 180 mm, workpiece weight (max.): 100 kg, grinding length: 500 mm, grinding wheel diameter: 400 mm, total width: 14,150 mm, total length: 18,000 mm, total height: 14,750 mm, grinding diameter: 320 mm, workpiece length between centers: 350 mm, grinding wheel width: 50 mm, spindle speed (max.): 3,000 rpm, feed length X-axis: 500 mm, feed length Z-axis: 150 mm, feed rate X-axis: 10 m/min, feed rate Z-axis: 1 m/min, overall weight: 2,100 kg, workpiece spindle speed (max.): 400 rpm, Equipment: rotational speed infinitely variable, Beijing Second Machine Tool Beijing Second Semi-automatic High Speed Cylindrical Grinding Machine MBS1320E On-line production equipment; test machine available; roundness within 0.001 beier machine tool works co ltd Online production equipment Gelhcdwstr Azke Doit machine testing available The roundness within 0.001

Condition: used, Year of construction: 2004, 10 spindle system. Connected load: 380/400V/50Hz, 34 kW. Glass thickness: 3-60 mm. Gjlhcdwswynzce Doit

Condition: ready for operation (used), Year of construction: 2022, functionality: fully functional, machine/vehicle number: 1834, overall weight: 325 kg, tool diameter: 160 mm, tool height: 230 mm, water tank capacity: 30 l, TECHNICAL DETAILS Maximum tool diameter: 160 mm Maximum tool height: 230 mm MACHINE DETAILS Water tank capacity: 30 L Golheyx Hwtscdw Dsit Dimensions & Weight Dimensions (L x W x H): 675 x 765 x 1650 mm Machine weight: 325 kg EQUIPMENT Grinding area made of aluminium Siemens touch-screen operator interface Information display for ongoing operations and alarms Automatic grinding height detection Automatic regulation of working pressure and grinding speed Straight or angled grinding possible Tool drawer High-quality grinding wheel (CBN) Water pistol for cleaning Operating light with different colors Integrated modem with remote connection port Spare grinding wheel Motor with frequency inverter for three-phase 380 V and 220 V power

Condition: good (used), Year of construction: 2020, functionality: fully functional, machine/vehicle number: 2020.12.171, total width: 3,590 mm, total height: 2,910 mm, total length: 2,210 mm, grinding width: 2,600 mm, grinding belt speed: 2,400 mm/s, grinding belt length: 3,250 mm, workpiece height (max.): 80 mm, grinding belt width: 2,650 mm, air demand: 192 m³/h, Heesemann KSA 8 Wide Belt Sander 2600mm Width The sander consists of: 1. Frame Structure For mounting the transport bed, with attachment points for 1 sanding unit and 1 brushing unit. 2. Transport Bed Individual conveyor belts with feed speed adjustable from 5 to 25 m/min, controlled by frequency converter, constant working height of 920 mm. Adjustment to workpiece thickness (3 to 80 mm) by height adjustment of the entire machine top, including monitoring of the toothed belt for the lifting gear at a lifting speed of 3 mm/s, and integrated control cabinets. 3. Industrial PC 21.5" Capacitive multitouch color display, 1,920 x 1,020 pixel resolution, CF card, Windows Embedded Standard operating system, with production data acquisition (display of production and downtime). Ethernet connection available. Program memory for 1,000 programs. Motor speed values are stored and automatically set after program selection. 4. Profinet interface for higher-level control 5. Longitudinal sanding unit with contact roller for calibration (steel) Balancing quality Q 1 (finely balanced) according to VDI 2060, driven by poly-V belt, maintenance-free bearings. Diameter: 350 mm Abrasive belt dimensions: 3,250 x 2,650 mm Belt speeds: 1-24 m/s Drive power: 37 kW via frequency inverter Stepless adjustment of sanding belt speeds, wear-free brake device, intermittent belt blow-off device, automatic infrared belt control, sanding belt operates against feed direction, manual grit compensation Infeed: segmented, pneumatically controlled pressure bar Outfeed: continuous, pneumatically controlled pressure bar 6. Brush roller unit Central height adjustment, includes extraction hood and pressure roller. Brush material: horsehair Diameter: 250 mm Drive power: 5.5 kW 7. Workpiece vacuum clamping system For safe transport of workpieces shorter than 750 mm in feed direction, with integrated fan. Operating voltage: 400V, 50 Hz Machine paintwork: Internal: light grey, RAL 7035 External: light grey, RAL 7035 Doors: anthracite, RAL 7016 Brush insertion side: left Terminal: front left 8. Ionizing bar, from above For dissipation of static charge, including high-voltage transformer 9. Workpiece blow-off device with rotating compressed air nozzles, at machine outfeed, including extraction hood General specifications of the sander: Sanding width: 2,600 mm Working height: 920 mm Maximum workpiece thickness: 3 to 80 mm Dust extraction: Required air speed, minimum 20 m/s Much higher extraction speeds may result in functional disadvantages. Machine underpressure approx. 1000 Pa Gslhcdwoywuqrj Doit Air requirements for: - 1 longitudinal sanding unit, roller diameter 350 (socket 1 x diameter 330) 103.0 m³/min - 1 brushing unit, diameter 250 (socket 1 x diameter 206) 38.0 m³/min - Workpiece blow-off (2 sockets x diameter 120) 28.0 m³/min - Conveyor belt blow-off (socket 1 x diameter 160) 24.5 m³/min - Exhaust air from fan for workpiece vacuum clamping system (socket 1 x diameter 180) 30.5 m³/min Total air requirement: 224.0 m³/min

Condition: excellent (used), Year of construction: 1990, functionality: fully functional, power: 1.5 kW (2.04 HP), input voltage: 200 V, Mitsui precision grinder, surface grinder manufacturer Mitsui MGG CO.LTD type: MSG-250H2 year of manufacture:1990-6 Table width: 200mm Table length: 480mm Table longitudinal movement, maximum: 520mm Table lateral movement, maximum 250 mm Table movement: 5-20m/min Forward-backward feed: Per revolution: 6 mm Per scale: 0.02 mm Gijlhjwviarjcdw Dot Lateral feed: Per revolution: 6 mm Per scale: 0.01mm Grinding spindle speed: 2900 rpm 50 Hz Table total length: 1385x285 mm Magnetic table: 300x130x100 mm Coolant unit, Maximum height from table surface to center of grinding wheel axis: 400 mm Grinding wheel diameter, standard: 205mm Grinding wheel width: 20mm Wheel spindle speed: 2900 rpm 50Hz Grinding wheel bore diameter: 31.75mm Electrical power: 2 HP 1.5 KW 4P 200V 3 phase Weight, approx.: 1105 kg

Condition: new, Year of construction: 2025, functionality: fully functional, grinding length: 2,400 mm, total length: 3,500 mm, grinding width: 180 mm, grinding wheel diameter: 250 mm, Equipment: documentation/manual, GRAFS GR-2400e is heavy-duty straight knife grinder / vertical surface grinder with swiveling electromagnetic chuck, suitable for a broad range of industrial knives, such as guilotine knives for metal, granulator blades, veneer knives, chipper knives, planer and paper and knives HM / HSS for paper cutters. We are a sharpening shop for over 12 years. All our machines are in 100% build in GRAFS factory in Poland. TECHNICAL FEATURES / MAIN ADVANTAGES: • Mitsubishi Touch Screen operation panel HMI 7"; • Mitsubishi PLC, • Mitsubishi Inverter for carriage run adjustment / feed, • Internet communication system with GRAFS technical support in case of any problems, • Grinding wheel motor 11 kW (15 HP), 400-3-50 Hz; • Grinding wheel Ø250mm corundum in aluminum base, (segment grinding wheel upon request); • Reversal of grinding wheel rotation; • Electromagnetic chuck 180x2400 mm; Surface grinding 180x2400mm, • T channel on the other side of the chuck (from operator side), • Angular divisor for magnetic table rotation ±120°; • Fast grinding wheel descent and ascent (by switches) and slow approach by hand wheel; • Motorized automatic grinding wheel downfeed, controlled by Mitsubishi PLC (0.001-0.05 mm); • Automatic work cycle (roughing, sparkout); • Variable carriage speed from 1 to 16 m/min; • Coolant through 2 nozzles either side of the grinding motor; • Longitudinal grinding head angle adjustment from 0° to 5°; (flat surface grinding possibility), • External tank with pump; • Magnetic cleaner / filter MODEL MS, • Fast grinding wheel exchange system, grinding wheel adapter with 3 securing screws, • Exchangable hardened steel strips on machine body guides, 2 at the top, and 2 at the bottom of main guide. • Carriage rollers from INA, on on the regulated cam, • Heavy body of the machine (steel plates 10 mm thick), build in cell design, • Electric cabinet on Shneider components, • Secure cover of the grinding wheel with magnetic interlocks, • User manual and control panel menu in Polish / English / German / Czech / Spanish / French, • Machinery LED lamp in working area, UPON REQUEST: • Different types of knives mounting, • Coolant cleaner with automatic paper filter, • Main grinding motor can be 5.5 kW, 7.5 kW and 11 kW, • The knife sharpening machine model GRAFS GR can be supplied in 4 different grinding lengths: 1.200 mm, 1.800 mm, 2.100 mm and 2.400 mm. • Accordion covers on whole body of the machine, Gielhcded Tc Hajw Det • Mist collector, We provide an European Declaration of Conformity and all documents. The machine is new, we are a producer from Poland, we provide after sale support and service with 12 month's warranty.

Condition: good (used), Year of construction: 2012, Working height: 840 mm Height of rear wall: approx. 3750 mm Gislhcdweyap Ngj Dst Depth of the system with water basin: approx. 1300 mm Width of the system with inlet and outlet: 11350 mm Weight: 4060 kg

Condition: good (used), Year of construction: 2009, 11 spindle motors. Glass thickness: 3 to 30 mm. Minimum glass size: 85 x 150 mm. Speed: 0.5 to 5 min. With water basin and pump. Working direction: from right to left. Working height: 780 mm. Total length: 8520 mm. Depth: 1130 mm. Total height: 4850 mm. Gijlhcsvk Ed Redw Djt

Condition: good (used), Year of construction: 1999, 8-spindle grinding system Golhjw Sdhnjcdw Deit Electrical connection power: 17 kW/380 V/50 Hz

Condition: new, Year of construction: 2025, With the ML/MLW Z multi-grinding stations, up to eight individually adjustable grinding stations can be arranged in sequence. This allows you to efficiently perform the entire machining process—from initial grinding to polishing your workpieces—in a single operation. Gslhcdweww Ugyo Djit Diameter from 4 to 350 mm Dry or wet grinding

Condition: good (used), HR 4 automatic polisher Manufacturer: Hau Gelhcdwjqmfv Ds Djit With 4 working spindles. 1 spindle is used for loading and unloading, two work spindles are in constant use.

Condition: good (used), Year of construction: 2015, operating hours: 250 h, functionality: fully functional, For Sale: Guideway Grinding Machine (Retrofitted from Metal Planing Machine) We offer a robust guideway grinding machine, which has been professionally converted from an original metal planing machine. The main advantage lies in its relatively compact footprint in relation to the workpiece capacity. Technical Specifications: • External dimensions (LxWxH): 4,800 x 2,500 x 2,000 mm • Required floor space: 4,800 x 3,500 x 2,700 mm (+ control cabinet, coolant tank, access) • Table size: 2,000 x 800 mm • Distance between columns: 1,000 mm Gislsxx Uudshcdw Dst • Travel paths (X/Y/Z): 2,000 / 1,000 / 600 mm Upgrades & Features: • New ball screw spindles and bearings • 2 new motors + 2 overhauled motors • 3 new frequency inverters • New Siemens SINUMERIK 802C baseline CNC system • Large grinding spindle: 2,840 rpm – refurbished + new motor • Small grinding spindle: 18,000 rpm – refurbished • Including control cabinet, coolant tank with pump, and separate, wall-mounted inverter for small spindle Inspection and trial run possible by appointment. Please contact us for more information.

Condition: good (used), TWQ-720RD Automatic Hot Foil Stamping Machine This machine is brand new. Very fast setup. Embossing and hot foil stamping capabilities, with two independent foil feeds. Servomotor control for fast and precise operation. Technical specifications: Maximum sheet size: 720x600mm Min. sheet size: 150x120mm Material weight: 120-2000g/m² Maximum throughput: 1200 sheets/h Power consumption: 13kW + compressed air Weight: 2000kg Foil feed: 1-550mm Operating temperature: 50-150°C Power supply: 380V Approximate machine dimensions: 270x160x220cm Equipment: – Control panel with touchscreen PLC Golhcdjy E Exiew Deit – Two independent foil feeds, controlled by stepper motors – Sectional heating plate – Built-in compressor

Condition: ready for operation (used), Year of construction: 2020, Taiwan Palmary Surface Grinding Model : PSG-C60100AHR Golhcdwjy N Rkxe Deit Year 2020 Max. Grinding surface 1,000mm x 600mm Electro-Magnetic chuck MPG Overhead Dresser Automatic grinding cycle 0.001mm - 0.03mm auto grind Spindle 1,750 rpm Wheel dia.405x50x127mm

Condition: reconditioned (used), functionality: fully functional, The machine is retrofitted and modernized in 2025. The modernisation consists of adding the automatic infeed and auto cycle functions. Dimensions Grinding Wheel (OD x ID x width) Ø 350 x Ø 127 x 100 mm Grinding wheel width 100 mm Ø min / max to rectify 1.5 / 50 mm No. infinite grinding wheel speeds Min / max speed of regulating wheel (r.p.m.) 10/250 rpm Infeed : Auto Auto cycle : Yes Gjlhevtl Rpocdw Doit Dressing : Manual Dimensions Regulating Wheel (OD x ID x width) Ø 230 x Ø 76.2 x 100 mm Regulating wheel width 100 mm Maximum length to be rectified in plongeé 200 mm Length 1800 mm Width 1300 mm High 1600 mm Weight 2000 Kg Accessories: New Coolant tank with paper filtration system

Condition: used, Year of construction: 2013, functionality: fully functional, Mobile valve machining / turning machine Unigrind FDA 500 for sale. The machine is used, in good condition and fully operational. Inspection and testing on site are possible. The Unigrind FDA 500 is designed for machining and repair of valve sealing surfaces, seats, and flanges. The equipment allows precise turning, milling, and surface refurbishment directly at the worksite. Specification: Model: Unigrind FDA 500 Year: 2013 Mobile valve machining machine Suitable for repair of valves, flanges, and sealing surfaces Accurate machining of flat and conical surfaces Fits various types of industrial valves Compact and robust design Professional industrial equipment Gisloy R R Imshcdw Djt German quality More info: Unigrind FDA 500 Suitable for energy, oil, gas, chemical, and industrial companies as well as repair workshops. If you have further questions, we will be happy to assist you.

Condition: used, Year of construction: 2019, functionality: fully functional, For sale: Unigrind KSM600 flat surface grinding/lapping table. The equipment is in good condition and fully operational. Inspection and testing on site are possible. The Unigrind KSM600 is designed for grinding and lapping flat sealing surfaces. It is suitable for machining and refurbishing surfaces of valves, gates, flanges, and other industrial components. Specification: Model: Unigrind KSM600 Stationary flat surface grinding/lapping table Intended for machining flat sealing surfaces Suitable for valve, gate, and flange repair Robust industrial housing Stable and precise processing Simple and user-friendly operation Professional industrial equipment More information: Unigrind KSM600 Suitable for repair workshops, energy, oil, gas, and industrial companies. If you have any further questions, we will be happy to assist you. Golhcdwoy R Rl Sj Deit

Condition: used, Year of construction: 1979, Format: 920??1300 mm Equipment: Golhcdwey Iu Rte Djit Maximum sheet size 920??1300 mm, minimum size 560??1300 mm opening width within frame 920??1310 mm, maximum die size 910??1300 mm maximum die-cutting area 900??1300 mm, maximum gripping edge = 16 mm, minimum gripping edge = 8 mm maximum card thickness 3 mm (also with micro-flute and flute zero), maximum compressed air pressure 500 t, maximum stroke rate 5500/h infeed stack height 1100 mm, outfeed stack height 1100 mm, main motor power 18 kW, main motor power consumption 17 kW, speed 5500 strokes/h. Machine dimensions (L x W x H): 6835 mm x 3580 mm x 2690 mm. Total weight of the machine including the insert approx. 30 t, weight of the machine without the insert approx. 29 t

Condition: ready for operation (used), Year of construction: 1984, machine/vehicle number: No.315, No.316, No.317, No.327, functionality: fully functional, operating hours: 40,000 h, grinding height: 130 mm, grinding length: 250 mm, grinding spindle speed: 3,300 rpm, grinding width: 100 mm, table length: 400 mm, table width: 225 mm, Equipment: rotational speed infinitely variable, For sale are 4 (four) sets of optical profile grinding machines Wasino type GLS-130AS, with Fanuc control, made in Japan in 1984. 3 machines are in full working condition, there are videos of spindle runout and positioning X,Y accuracy measurements. Fourth machine serial No.327 is the same working condition, just factory worker could not start it up for us, was worked more then 1 year ago. There are accessories, tools and technical documentation for each machine. For 1 machine Wasino complete with accesories and tools, price is 18500 euro EXW stock. Preferable to sell as package 4 machines together. Gjlhcdjwh Udtow Deit

Condition: new, Year of construction: 2026, power: 7.5 kW (10.20 HP), Batch ball mills find applications in various industries where the processing of materials in discrete batches is required. The versatility of batch ball mills makes them suitable for a range of applications. Here are some common batch ball mill applications: 1. Ceramics Industry: - *Glaze Preparation:* Batch ball mills are extensively used in the ceramics industry for preparing glazes. Raw materials such as feldspar, quartz, and clay are ground with ceramic balls to achieve the desired particle size for glaze formulation. 2. Chemical Industry: - *Material Grinding:* Batch ball mills are used for grinding and blending various chemical materials. This includes the production of pigments, dyes, and other specialty chemicals where precise particle size control is crucial. 3. Pharmaceuticals: - *Drug Formulation:* In pharmaceutical manufacturing, batch ball mills are used for grinding and blending powders to create drug formulations. The controlled environment provided by these mills is essential for maintaining the integrity of pharmaceutical compounds. 4. Food Industry: - *Ingredient Mixing:* Batch ball mills may find application in the food industry for mixing and grinding ingredients. This can include the production of food additives, flavorings, and other powdered or granular products. 5. Mining and Minerals Processing: - *Ore Grinding:* Batch ball mills are used in mining and minerals processing for grinding minerals and ores. The controlled grinding helps in obtaining the desired particle size for subsequent processes, such as mineral separation or extraction. 6. Paints and Coatings: - *Pigment Dispersion:* In the paints and coatings industry, batch ball mills are employed for dispersing pigments into paint formulations. Achieving a uniform particle size is crucial for the quality and appearance of the final coating. 7. Building Materials: - *Raw Material Grinding:* Batch ball mills are used in the preparation of raw materials for the production of building materials, such as cement and concrete. Grinding of materials like limestone and clay helps in obtaining the desired fineness for subsequent processes. 8. Electronic Materials: - *Ceramic Powder Processing:* In the electronics industry, batch ball mills can be employed for processing ceramic powders used in the production of electronic components and insulating materials. Gielhcdsq I N H Nsw Det 9. Research and Development: - *Material Testing:* Batch ball mills are often used in research and development laboratories for testing and optimizing material formulations. They provide a controlled environment for small-scale processing and experimentation. 10. Customized Applications: - *Specialized Processes:* Batch ball mills can be adapted for various specialized processes in different industries where precise grinding and mixing are required. Custom modifications can be made based on specific application requirements. When using a batch ball mill, it's important to consider factors such as the type of material being processed, desired particle size, and the specific requirements of the end product. Additionally, following the manufacturer's guidelines and maintaining proper operating conditions are essential for efficient and effective milling processes. Technical details We have different options for different requirements, please contact our team for more info.

Condition: new, Year of construction: 2026, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles. Gijlhcdweq Nf Uwe Dst Here are some key features and considerations for a superfine ball mill for micro powder: 1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding. 2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution. 3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process. 4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments. 5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill. 6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process. 7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements. 8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation. When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.

Condition: good (used), Dumor Lightning Fold Pro 8335B+33KF Automatic Creasing and Folding Machine The machine is fully operational and ready to use. Manufactured in 2018. This is the most efficient creasing and folding system on the market, with a robust construction. High-stack vacuum feeding. Built-in vacuum and suction systems. An instruction manual is included. The 7-inch color Smart Screen programmer allows for easy machine setup. Technical specifications: Paper thickness: 0.15-0.35 mm Feeder capacity: 100 mm Accuracy: +/- 0.5 mm Format range: 140×160 mm, 330×650 mm Paper type: coated, uncoated, laminated, UV varnished, photo Creasing blade width: 1.0 mm, 0.6 mm, and 1.4 mm Speed: 6300 sheets/hour (A4/1 fold) Number of creasing strokes per pass: up to 32 (creasing-only mode) Control: dual 7-inch touchscreen Predefined fold types: 7 types + custom folds Gislhcdoy Sd Uisw Dot Number of folds: 1 or 2 Folding method: folding knife Automatic paper length measurement: YES High-performance upper suction feeder: YES Patented breaker knife system: YES Creasing depth adjustment: YES Weight: 280 kg,

Condition: ready for operation (used), Tool grinder, tool sharpener, drill sharpener, Schanbacher S3-50 Manufacturer: Schanbacher Gielhjx Dbltjcdw Djt Type: S3-50 Year: 2012 Dimensions: 460 × 600 × 1260 mm Drill diameter: 3–50 mm; Point angle: 90°–140° Includes: Protective cover, dust extraction system

Year of construction: 2023, condition: new, ! Offers for customers from Baltic states only: Lithuania, Latvia, Estonia. - Mobile and compact setup - Standard with vacuum system 2.2 kW Gielhoixz Hdocdw Dot - Optional with 2 or 4 electromagnets - Equipped with 2 grinding heads - Bracket with double hand control (CE marking) - Workpiece width: max. 780 mm / length unlimited - Power consumption of machine: 400 V, 50 Hz, 10 A, 6 kW - Dimensions: 1435 x 1100 x 1510 mm (L x W x H)

Condition: good (used), Ideal 8343 Automatic Folding Machine Made in Japan. Gjlhcdwoy Nzlge Deit Perfect condition, ready to use. This model is very well-equipped, with automatic cassette adjustment, automatic paper size detection, and an automatic feeder. Technical data: Paper size: min: 91×128 mm max: 297×420 mm A6-A3 Weight: 45-160g (max. up to 230g when half-folding) Power supply: 230V Weight: 34kg Detailed specifications: – Automatic folding position setting for the six most popular folds (half-fold, quarter-fold, „Z”, „C”, „altar” fold) – Automatic paper size recognition for six formats (A3, B4, A4, B5, A5, B6) Paper folding speed adjustable from 3,300 to 10,000 sheets per hour Shelf for folded documents Automatic paper feeding system Smooth paper flow thanks to the conveyor belt Folding counter, batch countdown, total count, etc. Automatic stop with a sound when all sheets are folded A complex paper jam is signaled by an appropriate sound and a LED indicator.