Other printers used with data processing machines

1. Scope and Applicability

This PCR produces a factory assembly and acceptance-test foreground package for single-function printers connectable to a computer or network, excluding inkjet and laser technology. Impact dot-matrix, direct thermal and thermal-transfer printing share the assembly boundary but retain separate print-mechanism and test-consumable conditions. The semantic distinction is the marking mechanism and its consumables, not merely a classification leaf. Sources: un-cpc-3-0-notes-2025, epson-lx350-specifications, zebra-zd400-specifications.

The default is a gate-to-gate manufacturing module. It is not a complete product footprint or a printing-service comparison. Upstream component production and transport must be linked for a cradle-to-gate result; distribution, use, maintenance and end-of-life require a separately declared downstream model. In-house component fabrication requires measured additional atomic exchanges before this assembly module can represent that site.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.office-accounting-and-computing-machinery.other-printers-used-with-data-processing-machines
classification_refs	CPC 3.0: 45265; un-cpc-3-0-structure-2025
covered_products	Connectable single-function impact and thermal printers; other marking technologies require explicit mechanism and consumable disclosure.
excluded_products	Inkjet printers; laser printers; multifunction printing/scanning/copying/fax devices; non-connectable stand-alone printers; additive-manufacturing machines; separate printer parts.
representative_product	Computer-connected impact dot-matrix printer, declared model and configuration.
production_route	Purchased housing, populated control board, power supply and integrated print mechanism; assembly, firmware configuration, acceptance testing and packing.
market_state	New, tested complete printer at factory gate; packaging separately accounted.

3. Reference Flow

Field	Value
What	Provide a complete printer capable of reproducing digital input on declared media.
How much	1 kg net accepted printer output as a declared manufacturing unit; retain the model-specific mass per device.
How well	Pass documented connectivity, feed and print-quality acceptance criteria; declare resolution, printable width, speed and media compatibility.
How long or cycle	One manufacturing delivery cycle. Service-life duration and lifetime print throughput are not assumed and must be collected for downstream service comparisons.
reference_flow_link	finished_printer

Field	Value
Reference amount	1 kg
Reference product flow	Other printers used with data processing machines ab2017fe-300f-4fa2-ab9c-10bfd897b2d7
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	Model; marking technology; single-function/connectivity evidence; net mass per device; included power supply and starter ribbon; resolution; print width; speed and test pattern; media/coating; factory/country; reporting period; firmware; purchased-subassembly boundary.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
net_mass	finished_printer	Mass	kg	Measure the declared supplied configuration; exclude shipping packaging. Device count equals net batch mass divided by measured model mass only for a homogeneous model batch.
electricity_unit	electricity	Net calorific value	MJ	Preserve delivered electricity; convert kWh to MJ using 3.6. Record voltage and grid mix; do not add upstream generation emissions as direct factory emissions.
consumable_mass	Testing consumables	Mass	kg	Convert sheets or ribbon length using measured area density or mass per length; retain cores, cartridge shells, test consumption and shipped remainder separately in the balance.

5. System Boundary

rule_id	applies_to	Rule	source_ids
boundary_assembly	foreground	Include receipt/issue, integration, acceptance testing, rework and packing through accepted factory-gate delivery, with test consumables and rejects.
boundary_partial	result_scope	Report gate-to-gate results as partial; disclose all linked upstream datasets and exclusions. Do not claim full-life-cycle GHG-standard conformity from this module.	ghg-protocol-product-standard
boundary_routes	technology	Apply only the actual mechanism and consumable route. Direct thermal paper and impact ribbon are not interchangeable.	epson-lx350-specifications; zebra-zd400-specifications; zebra-thermal-media

Boundary Abstraction

Field	Value
declared_starting_condition	Purchased finished subassemblies received at the assembly site.
starting_condition_role	Foreground assembly input boundary.
product_classification_scope	CPC 3.0: 45265
recursive_input_rule	A purchased complete same-category printer is an input with its own upstream dataset; do not recursively unfold this PCR or count its parts again. Disclose refurbishment separately from new manufacture.
upstream_dataset_requirement	Match each purchased assembly to a supplier/technology-specific production dataset, preserving its included parts and delivered state; identify gaps before claiming cradle-to-gate coverage.
disclosure	Make/buy split, assembly coverage, subassembly contents, transport coverage, metered activities and omitted life-cycle stages.

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
assembly	Printer assembly, test and packing	required	All covered factory assembly packages	Foreground production	1 kg finished_printer

The cards describe purchased atomic components for the declared assembly route, not raw-material substitutes. Reconcile the supplier and site bills of materials. Any additional housing resin, separate cable, fastener, adhesive, solvent, packaging insert or waste actually crossing the boundary must receive its own specific exchange and measured amount in the foreground package. No residual “other materials” row is permitted.

Process: Printer assembly, test and packing (assembly)

Inputs

Product flows

ABS printer housing (housing)

Only for a purchased moulded ABS housing; record net issues, returns and rejects.

• Selected flow: ABS printer housing
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Populated printer controller printed circuit board (pcb)

Purchased controller board including fitted components; exclude any board already in a purchased print mechanism.

• Selected flow: Populated printer controller printed circuit board
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Printer switched mode power supply (supply)

Include internal or supplied external power supply with its integral cable; do not count it again inside another assembly.

• Selected flow: Printer switched mode power supply
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Dot matrix printer mechanism assembly (mechanism)

inclusion_condition: impact printing route. Purchased integrated chassis, printhead, drive and paper-feed mechanism; supplier bill of materials defines included parts.

• Selected flow: Dot matrix printer mechanism assembly
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Thermal printer mechanism assembly (thermal)

inclusion_condition: direct thermal or thermal transfer route. Purchased integrated printhead, chassis and media-drive mechanism; identify actual technology and included parts.

• Selected flow: Thermal printer mechanism assembly
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Electricity (electricity)

Meter assembly, firmware loading, testing, rework and packing electricity together; include attributable shared equipment using recorded operating time.

• Selected flow: Electricity 890a70b7-b677-4e2a-8a1b-7d017e0a10ae
• Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ; unit group 93a60a57-a3c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Printer inked ribbon cartridge (ribbon)

inclusion_condition: impact printer testing or supplied starter cartridge. Record cartridge mass and distinguish consumed test fraction from shipped remainder.

• Selected flow: Printer inked ribbon cartridge
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Wax thermal transfer printer ribbon (transfer_ribbon)

inclusion_condition: wax-ribbon thermal transfer route. Measure issued roll mass and returns, retaining formulation and core mass separately.

• Selected flow: Wax thermal transfer printer ribbon
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

paper, woodfree, uncoated (paper)

inclusion_condition: testing on uncoated woodfree paper. Weigh paper consumed by the factory acceptance test, including repeat tests.

• Selected flow: paper, woodfree, uncoated 58075527-56bb-4c6a-a78a-7d1a3f1db2da
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Thermal printing paper (thermal_paper)

inclusion_condition: direct thermal testing. Measure coated paper excluding the reusable holder; record coating, roll and liner configuration.

• Selected flow: Thermal printing paper
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Corrugated cardboard box (box)

inclusion_condition: corrugated shipping box is supplied. Record box mass outside the net printer reference mass.

• Selected flow: corrugated board boxes 4f197bec-7b3b-11dd-ad8b-0800200c9a66
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Outputs

Product flows

Other printers used with data processing machines (finished_printer)

Accepted complete printer at factory gate; reference output is 1 kg net product including its declared supplied power supply and starter cartridge, excluding shipping packaging.

• Selected flow: Other printers used with data processing machines ab2017fe-300f-4fa2-ab9c-10bfd897b2d7
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Waste flows

Waste printed paper from printer testing (paper_waste)

inclusion_condition: ordinary paper test waste leaves the line. Weigh separately from thermal paper, and record recipient and treatment route.

• Selected flow: Waste printed paper from printer testing
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Waste thermal printed paper (thermal_waste)

inclusion_condition: thermal test paper is discarded. Record coating chemistry and actual disposal route independently of ordinary paper recycling.

• Selected flow: Waste thermal printed paper
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Spent printer ribbon cartridge (spent_ribbon)

inclusion_condition: a spent impact ribbon cartridge is discarded during testing. Record total discarded cartridge mass and treatment destination.

• Selected flow: Spent printer ribbon cartridge
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

Waste rejected printer (reject)

inclusion_condition: a whole printer is scrapped after failed testing. Record actual mass; reworked units that eventually pass are not waste outputs.

• Selected flow: Waste rejected printer
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg; unit group 93a60a57-a4c8-11da-a746-0800200c9a66
• Amount rule: Use the batch exchange ledger divided by accepted net printer mass; keep route-absent flows explicitly not applicable.
• Value mode: foreground_record
• Specificity: site_specific
• Normalization basis: per 1 kg net accepted printer output
• Basis kind: reference_flow
• Evidence kind: collected_record
• Collection protocol: cp_assembly

7. Allocation and Co-product Handling

rule_id	applies_to	Rule	source_ids
allocation_meter	shared_activities	First subdivide using batch records and submetering. If shared electricity remains, use documented machine operating time and load; justify the physical relationship.	ghg-protocol-product-standard
allocation_rework	rejects	Assign failed tests and rework to accepted output of the same model cohort. Record scrap as waste with its treatment burden; do not silently claim avoided virgin-material credits.
allocation_coproduct	saleable_outputs	If saleable co-products arise, document function and physical relationship; use economic allocation only if no defensible physical relationship exists, with price period and sensitivity disclosed.	ghg-protocol-product-standard

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_assembly	assembly	Every listed exchange	Batch ledger and meter record	model, batch, dates, technology, item id, supplied contents, issues, returns, stock change, accepted count/mass, rejects, test media/ribbon, meter readings, waste recipient	Reconcile weighed issues/returns with BOM, meter logs, acceptance records and waste transfers	kg; MJ; item	Each batch and meter interval	One disclosed consecutive production period including shutdown and rework; report seasonal representativeness	One factory and identified lines	Sum attributable quantities and divide by accepted net output mass; never average batch ratios without output weighting	Calibrations, supplier declarations, BOM version, traceable logs and balance reconciliation

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
normalize	assembly	x_i = attributable batch quantity_i / accepted net batch printer mass. Use all batches of the reporting cohort.	cp_assembly	kg/kg; MJ/kg
balance	assembly	Issued material minus returns equals shipped material plus test waste and rejects plus net work-in-progress change; investigate residuals using measurement uncertainty. Packaging and consumables must remain distinguishable from net printer mass.	cp_assembly	Reconciled batch balance

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
identity	reference_flow	Keep technology, interface, model and included accessories consistent with the weighed configuration.	cp_assembly; epson-lx350-specifications; zebra-zd400-specifications
coverage	assembly	Account for the entire BOM without double counting purchased assembly contents. List exclusions and uncertainty; missing exchange data are not zeros.	cp_assembly
range_evidence	amounts	Use measured foreground values. This PCR supplies no external amount ranges; model specifications are not independent production benchmarks.	cp_assembly

9. Validation Rules

rule_id	applies_to	Rule	source_ids
validate_reference	finished_printer	Require positive accepted output mass, a declared model mass and all reference qualifiers; reject inkjet, laser and multifunction identities.	un-cpc-3-0-notes-2025
validate_atomic	inventory	Every exchange must be atomic, dimensionally consistent, traceable to cp_assembly and assigned a real UUID or an explicit unresolved identity; reject umbrella flow rows.
validate_balance	assembly	Verify stock-adjusted mass balance, electricity allocation, test-repeat coverage, and route applicability. Investigate residuals rather than forcing closure with an invented exchange.
validate_scope	result	Require explicit partial-boundary disclosure and separate upstream/downstream additions; gate-to-gate results alone cannot support a service-life comparison.	ghg-protocol-product-standard

10. Published Dataset Profile

Field	Value
dataset_role	foreground_dataset
downstream_use	secondary_dataset; background_dataset
allowed_use	Model-specific factory assembly input to a documented broader life-cycle system.
excluded_use	Unqualified full-life-cycle footprint, generic service comparison, or substitution for inkjet/laser manufacturing.
required_metadata	Reference qualifiers, time, geography, model, make/buy split, upstream links, process boundary and allocation.
required_quality_disclosure	Unresolved identities, missing exchanges, ranges not provided, balance residuals, uncertainty and representativeness.
update_trigger	Model/BOM/firmware or site changes; new metering, supply data, waste routes or resolved flow identities.

11. Data Sources

Source id	Type	Reference	Used for
un-cpc-3-0-structure-2025	official_guidance	UNSD CPC 3.0 Structure, 30 June 2025; https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Structure_30Jun2025.csv; retrieved 2026-09-09	Classification identity
un-cpc-3-0-notes-2025	official_guidance	UNSD CPC 3.0 Explanatory Notes, p. 247; https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Exp_Notes_30Jun2025.pdf; retrieved 2026-09-09	Connectability and excluded printer classes
epson-lx350-specifications	handbook	Epson LX-350 User Guide: Printer Specifications; https://files.support.epson.com/htmldocs/lx350_/lx350_ug/html/apspe_2.htm; retrieved 2026-09-09	Impact printer example, paper/ribbon distinction and performance qualifiers; no quantity defaults
zebra-zd400-specifications	handbook	Zebra ZD400 Series Desktop Printers Specification Sheet; https://www.zebra.com/us/en/products/spec-sheets/printers/desktop/zd400-series.html; retrieved 2026-09-09	Thermal technologies, connectivity and supplied power supply; no quantity defaults
zebra-thermal-media	handbook	Zebra ZD421/ZD621 User Guide: Types of Thermal Media; https://docs.zebra.com/us/en/printers/desktop/zd421-and-zd621-desktop-printers-user-guide/media/types-of-thermal-media.html; retrieved 2026-09-09	Thermal roll media and liner distinctions
ghg-protocol-product-standard	standard	WRI/WBCSD Product Life Cycle Accounting and Reporting Standard, chapters 7 and 9; https://ghgprotocol.org/sites/default/files/ghgp/standards/Product-Life-Cycle-Accounting-Reporting-Standard_041613.pdf; retrieved 2026-09-09	Partial boundary disclosure and allocation hierarchy; GHG method only, not certification of this PCR