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Sketch Paper Dispenser Tech-Spec

  • Writer: christopher blessing
    christopher blessing
  • Nov 4, 2024
  • 17 min read

Updated: Nov 4, 2024


1. Introduction:

1.1. Purpose:

1.1.1 This document specifies the technical requirements and features of the

Paper Dispenser for 8.5x11 Inch Paper.

1.1.2 It aims to ensure that the product meets design specifications and user

needs for efficient paper handling.

1.1.3 The specification serves as a design guide and checklist for manufacturers,

ensuring all stakeholders understand the functionality and standards expected in

the final product, fostering communication and reducing errors during production.

1.1.4 It outlines specific performance metrics, such as maximum paper load

capacity (at least 500 sheets), ensuring the product serves its intended purpose

effectively.

1.2. Scope:

1.2.1 The specification covers mechanical requirements, material descriptions,

testing protocols, compliance standards, and user interaction details.

1.2.2 It includes considerations for ease of assembly, maintenance requirements,

and safety protocols in line with industry best practices.

1.2.3 This document is applicable for both initial design phases and revisions, ensuring

that changes to design or materials adhere to the foundational expectations

set forth.

1.3. Definitions Acronyms Abbreviations:

1.3.1. Dispenser:

1.3.1.1 A device that holds and releases paper; in this case, designed for 8.5x11

inch paper.

1.3.1. ABS:

1.3.1.1 Acrylonitrile Butadiene Styrene - a common thermoplastic used for its

durability and impact resistance, which may apply to other components of the

dispenser.

1.3.1. User Interaction:

1.3.1.1 The ways in which users engage with the product, including pulling paper,

using the lever, and maintaining the dispenser.

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1.3.1. Performance Metrics:

1.3.1.1 Specific measurable criteria used to evaluate the functionality and effectiveness

of the dispenser.

1.4. References:

1.4.1. American National Standards Institute (ANSI):

1.4.1.1 Standards for consumer product safety compliance. [ANSI Standards](

1.4.1. ASTM International:

1.4.1.1 Standards regarding testing for materials used in consumer

products, including mechanical and durability tests. [ASTM Standards](

1.4.3 Relevant ISO certifications regarding mechanical products for safety and

environmental impact. [ISO Standards](https://www.iso.org/)

1.4.1. Material Safety Data Sheets (MSDS):

1.4.1.1 Specific to components to ensure no toxic substances are included.

1.5. Overview:

1.5.1 The Paper Dispenser offers a compact design that provides easy access and

smooth operation for typical office and home environments.

1.5.2 The product is engineered for efficiency, emphasizing simplicity of use,

reliability, and aesthetic appeal.

1.5.3 It features ergonomic design considerations such as a lever mechanism that

minimizes user effort while enabling effective paper dispensing.

1.5.4 Specific allowances for universal design principles are included, ensuring

accessibility for users with varying physical abilities.

1.5.5 The dispenser should visually align with common office decor, providing

an unobtrusive yet functional accessory for any workspace.

1.5.6 User interaction is enhanced through thoughtful design, including rubberized

grips, ensuring a comfortable and controlled experience when dispensing paper.

2. Product Overview:

2.1. System Context:

2.1.1 The Paper Dispenser is intended for frequent use in various environments

such as offices, classrooms, and homes where 8.5x11-inch paper is a standard.

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2.1.2 It is designed to organize and facilitate quick access to paper stacks, thus

improving efficiency in settings where paper handling is essential.

2.1.3 The dispenser should be optimized for counter or desk placement, ensuring

stability and usability without occupying excessive surface area, ideally providing

a footprint of no more than 10 inches by 8 inches.

2.1.4 User familiarity with such dispensers is anticipated, which means the design

must integrate general usage patterns and expectations to minimize the learning

curve for new users.

2.2. Main Functionality:

2.2.1. The primary operation of the dispenser should enable users to

dispense sheets of paper smoothly while maintaining the organization

of the remaining stack. This is achieved by:

2.2.1.1 Implementing a lever mechanism that gives a mechanical advantage,

making it easier to pull the sheets without excessive force.

2.2.1.2 Incorporating rubber tips on the lever to securely grip individual sheets,

minimizing the risk of tearing or dropping, which could lead to user frustration

and paper waste.

2.2.2 The dispensing slot must be designed to allow the easy exit of paper

without jamming, featuring rounded edges and low-friction materials that guide

the sheets out of the dispenser smoothly. - The design should also accommodate

a wide range of paper types and weights commonly used in office settings (20-24

lb standard paper).

2.2.3 The angled back design will facilitate natural gravity-assisted dispensing,

ensuring that the top sheets are easily pulled while maintaining the stack's structure.

- The angle should have a robust hold, preventing slippage or misalignment

during operations.

2.2.4 Detailed design guidelines should adhere to ergonomic standards, such as

the American National Standards Institute's ANSI/HFES 100-2007 for human

factors engineering, ensuring the dispenser can be used comfortably without

straining users' hands or bodies.

2.2.5 Maintenance features shall include an easily accessible compartment for

removing jammed paper, ensuring that users can quickly restore functionality

without needing tools or technical expertise.

2.2.6 Additional features such as a clear visibility window to indicate paper

levels should be considered to alert users when restocking is necessary, enhancing

operational efficiency.

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2.3. User Engagement and Experience:

2.3.1 The dispenser design should prioritize user engagement through interactive

features such as tactile feedback when pulling paper and visual indicators of

paper status.

2.3.2 User-testing sessions to refine the layout, ergonomics, and use-of-space

for the dispenser should be conducted, ensuring a high-level assessment of user

experience and interaction.

2.3.3 Clear, concise instructions in user-friendly language should be included

as part of the assembly manual, aiding users in understanding operational and

maintenance aspects straightforwardly.

2.3.4 The incorporation of universal design principles will ensure accessibility features,

such as easy-to-grasp levers and smooth surfaces, are integrated, adhering

to the Americans with Disabilities Act (ADA) standards.

2.4. Aesthetic and Functional Design Considerations:

2.4.1 The overall aesthetic of the dispenser should align with modern office decor,

utilizing neutral color palettes such as white, gray, or black, and implementing a

textured surface for better visual appeal.

2.4.2 Customization options, such as color variations or branding placements,

should be provided to users in specific contexts like corporate environments,

enhancing their identity within their workspace.

2.4.3 The materials used for the dispenser should be lightweight yet robust,

allowing for easy transport and repositioning without compromising strength,

adhering to relevant environmental regulations (such as RoHS compliance for

hazardous materials).

2.4.4 The design must not only fulfill functional features but must also reflect a

consciousness regarding sustainability, aiming for materials that are recyclable

or produced with minimal environmental impact.

2.5. Compliance and Standards:

2.5.1 Compliance with the ISO 9001 standard for quality management systems

will be essential throughout the design and manufacturing process to ensure

high-quality output.

2.5.2 Regular audits and reviews of the production and assembly workflow should

be integrated, focusing on continuous improvement and adherence to industry

best practices for quality assurance.

2.5.3 Environmental impact considerations must integrate evaluations in line

with ISO 14001 standards for environmental management systems, ensuring that

components are responsibly sourced and manufactured with reduced ecological

footprints.

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3. Mechanical Requirements:

3.1. General:

3.1.1 The mechanical assembly of the Paper Dispenser must ensure effective paper

handling while maintaining durability and stability throughout its operational

life.

3.1.2 Each component should adhere to specific tolerances and dimensions to

ensure seamless interaction between assemblies, minimizing operational friction

and potential failure points.

3.1.3 All components should be designed for simple assembly and maintenance,

avoiding overly complex mechanisms that may confuse users or hinder usability.

3.2. Main assemblies:

3.2.1. Frame Assembly:

3.2.1.1 The frame serves as the core structure supporting all other components.

It must be engineered for a compact footprint, enabling efficient use of space.

3.2.1.1. Recommended material:

3.2.1.1.1 A high-strength plastic, such as ABS (Acrylonitrile Butadiene Styrene)

or a lightweight metal alloy, which provides a balance between durability and

weight. The frame should be able to withstand significant lateral stress without

warping or bending.

3.2.1.3 Dimensions should be approximately 12 inches in height, 10 inches in

width, and 8 inches in depth; consistent with the standard size of 8.5x11-inch

paper.

3.2.1.4 Tolerances for frame components must be within ±0.5 mm, ensuring

precise fit and finish, with specific attention to threads and joining surfaces to

prevent misalignment during assembly.

3.2.1. Lever Mechanism:

3.2.1.1 The lever mechanism must provide a mechanical advantage that enables

ease in pulling sheets of paper, designed for a typical pull force of less than 10

pounds maximum at full load.

3.2.1.2 Construction should utilize a composite material or reinforced plastic with

rubber tips; these tips must be molded to optimize grip while preserving paper

integrity. The rubber used shall meet certain durability standards including

abrasion and tear resistance as per ASTM D4060 for wear testing.

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3.2.1.1. Dimension:

3.2.1.1.1 Approximately 5 inches in length with engineered pivot points that

allow for minimized resistance and higher efficiency during operation.

3.2.1. Dispensing Slot:

3.2.1.1 The dispensing slot should feature a tapered, low-friction design to prevent

jamming, constructed from an engineered polymer known for its smooth surface

finish.

3.2.1.2 Width should be approximately 7 inches, accommodating various paper

types and ensuring that the slot can handle up to 300 grams of force without

deformation.

3.2.1.3 Additional design considerations should include radiused edges to further

reduce paper snagging during extraction, adhering to ergonomic interaction

standards such as ANSI/HFES 100-2007.

3.2.1. Base Assembly:

3.2.1.1 The base must provide stable support crucial to maintaining performance

during operation. It should be designed to withstand lateral tipping forces and

support all other components seamlessly.

3.2.1.2 Construction recommended from reinforced plastic or a heavier gauge

metal; dimensions should be approximately 10 inches by 8 inches with a thickness

of 0.75 inches to ensure effective load distribution, with a weight that prevents

movement during use.

3.2.1.3 Anti-slip features, such as rubberized feet or pads, should be integrated

into the base to enhance stability during operation and prevent surface scratching.

3.2.1. Angled Back:

3.2.1.1 The fixed angled back fits into the overall design to facilitate the gravityassisted

dispensing of paper. The angle should be set at 30° relative to the

vertical axis to promote easy access to the top sheets of paper.

3.2.1.2 It should be constructed of the same material as the frame for consistency

in strength and durability, with molded grooves or elements to aid in paper

stacking and alignment.

3.3. Assembly and Integration Requirements:

3.3.1 Each component should be designed for seamless integration, utilizing

standardized fasteners that allow for quick assembly and minimal disassembly

time for maintenance.

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3.3.2 Precise alignment features must be integrated into the design to ensure

that components like the lever and dispensing slot engage optimally, minimizing

manufacturing tolerances that could lead to operational failures.

3.3.3 A comprehensive assembly guide must accompany the product, including

visual diagrams and clear labeling for each component to assist manufacturers

and end-users.

3.4. Testing and Validation Requirements:

3.4.1 The dispenser’s mechanical functionalities should be validated through

rigorous tests that simulate the operational environment, including a 100,000-

cycle lever fatigue test and drop impact tests from 3 feet to assess durability

under normal user conditions.

3.4.2 All mechanical components should also undergo a thorough dimensional

inspection post-manufacturing, where critical tolerances are verified to align

with engineering specifications.

3.5. Safety and Compliance Requirements:

3.5.1 The dispenser must adhere to relevant mechanical safety standards, such

as ISO 12100 for general safety requirements of machinery to minimize risk and

ensure user safety during operation.

3.5.2 Components should be free of sharp edges, and the design should undergo an

additional hazard assessment to uncover and mitigate any potential injury risks

during use. Regular audits must be performed to ensure continuous compliance

throughout production runs.

4. Electrical Requirements:

4.1. General:

4.1.1 The Paper Dispenser is entirely mechanical and does not incorporate any

electrical components, ensuring simplicity of design and operation. This decision

enhances reliability while reducing manufacturing complexity and production

costs.

4.1.2 The mechanical nature of the dispenser is intended to fully eliminate issues

associated with electrical failures or the need for battery replacements, thereby

simplifying user interaction.

4.2. Main electrical systems:

4.2.1 N/A

4.3. Circuit Design and Components:

4.3.1 N/A

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4.4. Interconnections and Interfaces:

4.4.1 N/A

4.5. EMI EMC Requirements:

4.5.1 N/A

4.6. Safety and Compliance Requirements:

4.6.1. While the product does not contain electrical systems, compliance

with relevant safety standards for mechanical devices is still

essential. These include:

4.6.1.1 ISO 12100 (Safety of machinery – General principles for design – Risk

assessment and risk reduction), which will ensure that the non-electrical elements

of the dispenser are designed and produced with safety in mind.

4.6.1.2 Regular reviews and audits focused on compliance with applicable material

safety requirements must be maintained to ensure a safe user experience.

4.6.1.3 The materials used in components that could potentially come in contact

with users must observe health and safety laws, especially preventing any exposure

to harmful substances or toxins.

4.6.1.4 Although electrical components are not applicable, the manual should

contain clear instructions highlighting the importance of keeping the dispensing

mechanism free from obstructions that could cause mechanical failure or injury,

emphasizing the safe handling of the product at all times.

5. Software Requirements:

5.1. General:

5.1.1 The Paper Dispenser is a purely mechanical device and does not require

any software systems for its operation. This design decision simplifies use and

maintenance, avoiding complications related to software integration generally

associated with electronic paper dispensers.

5.1.2 Despite the absence of software, user interaction can be enhanced with

supplementary information, such as physical instructions or visuals that provide

guidance on optimal use.

5.2. Functional Requirements:

5.2.1 N/A

5.3. Non Functional Requirements:

5.3.1 Although the dispenser does not have software functionalities, user ease

and satisfaction with its operation must be ensured through intuitive mechanical

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design, reducing the need for extensive instructions or troubleshooting guidance.

5.4. User Interface and User Experience Requirements:

5.4.1. Clear user information should be provided, including:

5.4.1.1 Instructions printed directly on the dispenser for quick guidance on how

to operate the lever and access paper.

5.4.1.2 Simple graphics depicting the correct loading of paper stacks to assist

users in maintaining optimal organization within the dispenser.

5.4.2 Consideration should be given to tactile feedback design to enhance user

experience; for example, the lever should provide a noticeable click or resistance

when engaged, indicating proper use.

5.5. Integration and Interoperability:

5.5.1 N/A

5.6. Testing and Validation:

5.6.1 Even without electronic components, user testing sessions should be conducted

to gather feedback on the mechanical operation and ease-of-use aspects

of the dispenser.

5.6.2 Observational studies can aid in understanding typical user behaviors and

potential areas for improvement regarding user interaction, ease of assembly, and

maintenance procedures.

5.7. Safety and Compliance Requirements:

5.7.1 While there are no software safety requirements, the instructions and

physical interfaces need to hold up to safety standards, ensuring no feature

introduces hazards under normal operating circumstances.

5.7.2 User manuals should outline safe operational practices, reinforcing safe

handling and any mechanical components that could lead to misuse or injury if

not used correctly. For example, instructions should specify no more than the

recommended paper load to avoid jams or mechanical failure.

6. Interfaces and Interactions:

6.1. General:

6.1.1 The Paper Dispenser is a mechanical device designed to facilitate user

interaction through hands-on operation. The interactions primarily revolve

around the mechanical interfaces between the user and specific components of

the dispenser.

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6.1.2 Ensuring smooth engagements and easy operations is critical to promoting

user satisfaction and reducing frustration during regular use.

6.2. Mechanical Electrical Interfaces:

6.2.1 N/A

6.3. Mechanical Software Interfaces:

6.3.1 N/A

6.4. Electrical Software Interfaces:

6.4.1 N/A

6.5. External Interfaces:

6.5.1. Lever Mechanism Interface:

6.5.1.1. The lever mechanism is the primary interface through which

users interact with the dispenser. It is designed to be easy to grasp

and operate, with the following specifications:

6.5.1.1.1 The lever should feature an ergonomic grip that allows for comfortable

operation while minimizing fatigue during frequent use.

6.5.1.1.2 The rubber tips on the lever should be designed to fit snugly against the

paper, ensuring a secure hold during extraction. Tensile testing should confirm

that the grip can withstand at least 20 pounds of pulling force without slippage.

6.5.1. Dispensing Slot Interface:

6.5.1.1. The dispensing slot interacts directly with the paper, and its

design is crucial for efficient and smooth operation:

6.5.1.1.1 The slot's edges should be rounded to help guide sheets out while

reducing the chance of tearing or snags. This design should adhere to ergonomic

considerations outlined in ANSI/HFES 100-2007, ensuring user comfort.

6.5.1.1.2 A visual design feature, such as a clear "well indicator," could be

implemented around the slot area to show users how many sheets are available

and when they need to load more paper.

6.5.1. Maintenance Access Interface:

6.5.1.1. To ensure user convenience, the dispenser should offer an

easy maintenance access interface:

6.5.1.1.1 The base assembly must incorporate an access panel or removable

cover to allow users to quickly resolve jams or maintain the mechanism without

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disassembling the entire unit. The access panel should be clearly labelled and

easy to operate, requiring no tools to open.

6.5.1. Visual and Textual Indicators:

6.5.1.1. Physical indications on the dispenser should improve user

interaction:

6.5.1.1.1 Clear graphical instructions or pictographs must be placed strategically

on the device, depicting steps for loading, using the lever, and removing jams.

6.5.1.1.2 Instructional text should be legible, with a recommended font size of at

least 12 points to ensure readability, especially in low-light environments typical

of office settings.

6.5.1. User Feedback Integration:

6.5.1.1. A feedback system should be subtly integrated into the

device's mechanical features, providing users with audible and tactile

feedback:

6.5.1.1.1 The lever should produce a soft click sound upon optimal engagement,

indicating correct operation and confirming to the user that they are dispensing

paper effectively. This feature can help in reinforcing proper usage behavior over

time.

6.6. User Experience Considerations:

6.6.1 The entire interface design must be evaluated through user testing protocols,

examining key areas such as lever engagement force, feedback responses, and

ease of use during various operating conditions.

6.6.2 Incorporation of user-derived feedback in design iterations will ensure that

the dispenser meets the practical and ergonomic needs of its intended audience.

7. Environment and Conditions:

7.1. General:

7.1.1 The Paper Dispenser is specifically designed for indoor use, ensuring optimal

performance in controlled environments such as offices, classrooms, and homes.

This focus guarantees that user experience remains consistent and reliable.

7.1.2 Considerations must be made to accommodate common environmental

factors that can affect the longevity and functionality of the dispenser.

7.2. Operating Environment:

7.2.1 The dispenser should operate effectively within a specified temperature

range of 0°C to 50°C (32°F to 122°F) and relative humidity levels of 20% to 80%.

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These parameters are consistent with typical indoor conditions and ensure that

materials maintain their intended properties without warping or degrading.

7.2.2 Adequate ventilation should be considered in locations where the dispenser

is placed, particularly when located near heat sources or in cramped spaces that

may lead to heat retention, potentially impacting material integrity over time.

7.3. Storage and Transportation Conditions:

7.3.1 When not in use, the Paper Dispenser should be stored in a cool, dry environment,

preventing exposure to moisture that could lead to mold or degradation

of materials.

7.3.2 Proper packaging design for transportation must include cushioning materials

to prevent damage during transit. This should comply with relevant

transportation guidelines to minimize risk during shipping. Packaging should

also have labels indicating handling instructions.

7.3.3 The dispenser should not exceed a stacking weight limit of 150 pounds

during shipping and storage to avoid damage to the unit below.

7.4. Lifespan and Maintenance Considerations:

7.4.1 The expected operational lifespan of the dispenser is projected to be 5

years under normal usage conditions, with routine checks performed to assess

condition and functionality.

7.4.1. Recommended periodic maintenance should include:

7.4.1.1 Inspection of the lever mechanism for wear and tear, intended to happen

semi-annually.

7.4.1.2 Regular cleaning of surfaces with mild detergents to maintain aesthetic

appearances and prevent buildup of dirt or grime that could affect the mechanical

functions.

7.4.1.3 Users should be instructed to monitor for paper jams regularly, specifically

once a month, to ensure the functionality and operational integrity of the

dispenser.

7.5. Environmental Impact Considerations:

7.5.1 Materials used in the product must comply with environmental regulations

such as the European Union’s RoHS directive, which restricts the use of specific

hazardous materials. Consideration for the end-of-life disposal of the product

must include clear guidance on recycling or proper waste disposal of components,

promoting sustainability.

7.5.2 Sustainability assessments should be carried out to evaluate the environmental

impact of the manufacturing process and choice of materials, ensuring

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that production aligns with ISO 14001 standards for environmental management.

This includes considerations for carbon footprint, resource usage, and waste

generation during manufacturing.

8. Safety and Compliance:

8.1. General:

8.1.1 Safety is a primary concern in the design and manufacturing of the Paper

Dispenser. All features and materials must be examined and constructed to

prevent user injuries and ensure compliance with relevant safety regulations.

8.1.2 The dispenser must be designed not only for optimal functionality but also

to foster safe usage practices in all intended environments, such as homes, offices,

and classrooms.

8.2. Risk Assessment and Mitigation:

8.2.1. A comprehensive risk assessment should be performed during

the design phase to identify potential hazards associated with the

dispenser's usage. This assessment should focus on:

8.2.1.1 Operational hazards, including injury risks when pulling paper or engaging

the lever, ensuring that no pinch points exist that might harm users.

8.2.1.2 Failure modes, including jamming or structural failure during use, which

could unleash paper quickly and potentially cause injury or damage.

8.2.1.3 Potential stability issues, ensuring that the base is designed to withstand

tipping forces when in use, protecting against accidental spills or falls.

8.2.2 Mitigation strategies must include design features such as rounded slot edges,

stable heavy bases, and user-friendly maintenance interfaces. These strategies

should be routinely reviewed as part of the product lifecycle assessment.

8.3. Standards and Certifications:

8.3.1. The Paper Dispenser must adhere to several key standards

within the industry to ensure user safety and product quality:

8.3.1.1 ISO 12100 (Safety of machinery – General principles for design – Risk

assessment and risk reduction) provides guidelines for reducing risks during

the machine’s use. Compliance must be documented through risk assessment

reports.

8.3.1.2 ASTM F1951, which outlines safety and performance standards for

accessibility devices, should be adhered to, ensuring that the dispenser is usable

by individuals with varying abilities, aligning with the Americans with Disabilities

Act (ADA) requirements.

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8.3.1.3 Regular review and updates should be mandated to accommodate changes

in safety standards or regulations within the mechanical product industry, fostering

a culture of continuous improvement.

8.4. User and Maintenance Safety Considerations:

8.4.1. Clear user instructions printed directly on the dispenser should

cover safe operational practices, such as:

8.4.1.1 Recommended maximum paper load to prevent jams or mechanical

failure. The instruction should specify not exceeding 500 sheets to ensure smooth

operation.

8.4.1.2 Guidelines for handling jams safely, directing users on how to correctly

access the maintenance compartment without initiating accidental lever engagement

that could cause injury.

8.4.2 An initial user training session or informational materials could enhance

understanding of safe handling practices for all users, particularly in environments

with multiple users, such as offices or schools.

8.4.3 Warning labels indicating potential hazards should be affixed prominently

to the dispenser, including instructions like "Do not exceed maximum load" or

"Keep fingers clear of the lever during operation" to foster a safe user environment.

8.5. Compliance Auditing and Monitoring:

8.5.1 Ongoing compliance with safety standards should be monitored through

periodic audits and testing to verify that the dispenser continues to meet the

outlined safety requirements after production.

8.5.2 Feedback mechanisms should be established to collect user experiences

related to safety concerns, with a clear protocol for addressing and rectifying

identified issues effectively.

8.5.3 Annual reviews of design and functionality should be carried out, focusing on

user feedback, safety reports, and any changes in safety standards or regulations,

ensuring continued compliance and product integrity.

9. Appendices:

9.1. General:

9.1.1 The appendices provide supplementary information relevant to the technical

specifications of the Paper Dispenser. They serve as additional resources for

manufacturers, users, and stakeholders to ensure comprehensive understanding

and effective product utilization.

9.1.2 Each section contains detailed resources that support the main documentation,

illustrate assembly processes, and clarify technical terms utilized throughout

the specification.

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9.2. Drawings Diagrams and Schematics:

9.2.1 Detailed diagrams of the Paper Dispenser's assemblies should be included

to aid in understanding the mechanical layout, assembly process, and component

interactions. - CAD drawings must illustrate key dimensions and tolerances

clearly, ensuring that fabricators have accurate references during production. -

Assembly schematics must denote the order of assembly, incorporating 3D views

if available to enhance clarity and facilitate easier assembly procedures.

9.3. List of Tools and Software:

9.3.1. The following tools are recommended for assembly and maintenance

of the Paper Dispenser:

9.3.1.1. Standard tools needed for assembly:

9.3.1.1.1 Phillips and flathead screwdrivers

9.3.1.1.2 Adjustable wrench for nuts and bolts

9.3.1.1.3 Pliers for grasping or bending small parts

9.3.1.1. Maintenance tools:

9.3.1.1.1 Soft cloths for cleaning surfaces

9.3.1.1.2 Mild detergents for surface maintenance, ensuring no harsh chemicals

that could degrade materials are used.

9.3.1.3 No software tools are required since the dispenser has no electronic

components; however, simple instructional guides must be available to help

facilitate assembly and troubleshooting.

9.4. Glossary:

9.4.1. A glossary of technical terms and acronyms used in the documentation

will be provided for clarity:

9.4.1.1. Tolerance:

9.4.1.1.1 The allowable deviation from a standard measurement, critical in

ensuring proper fit and finish of the product components.

9.4.1.1. Ergonomic:

9.4.1.1.1 Refers to product design that prioritizes user comfort and efficiency in

use, essential for long-term user satisfaction.

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9.4.1.1. Grip Strength:

9.4.1.1.1 The amount of force applied by the rubber tips of the lever mechanism;

needs verification to ensure they maintain adequate hold on the paper without

damage.

9.4.1.1. ASTM:

9.4.1.1.1 American Society for Testing and Materials; an international standards

organization that develops and publishes voluntary consensus technical standards

for materials, products, systems, and services.

9.4.2 Technical terminology should be defined succinctly, ensuring all users,

including those new to the field, can fully comprehend the specifications and

requirements set forth in the document.

9.5. Compliance Documentation:

9.5.1. Documentation demonstrating compliance with relevant safety

and quality standards should be included:

9.5.1.1 Copies of certification by regulatory bodies confirming adherence to

standards such as ISO 12100 and ASTM F1951 should be archived for reference.

9.5.1.2 Records of risk assessments and audits conducted during the product

lifecycle must be retained for quality assurance and future evaluations.

9.6. User Manuals and Instructions:

9.6.1. A user manual should be developed, containing:

9.6.1.1 Step-by-step assembly instructions with accompanying diagrams.

9.6.1.2 Clear operating guidance that outlines how to dispense paper effectively,

maintain the unit, and troubleshoot common issues.

9.6.1.3 Safety precautions must be emphasized, aiding users in recognizing and

mitigating potential hazards associated with improper use.

9.6.2 Consideration must also be made for the development of FAQs and troubleshooting

guides, accessible in both print and digital formats to facilitate easy

access for end-users.

9.7. Feedback and Revision Logs:

9.7.1 A structured feedback system should be documented, allowing stakeholders

to contribute user experiences, suggestions for improvements, or report issues

related to safety and usability.

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9.7.2 Revision logs should track changes made to the design or specifications over

time, documenting the rationale behind those changes, and providing insight into

the product development lifecycle to maintain transparency and accountability.

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