Machine Volume 1 — Audley S8074-3 4-Head — Page 1 CHARLIE — DTF MACHINE TRAINING Machine Volume 1 — Audley S8074-3 4-Head Four-head Epson I3200-A1 DTF printer + DF-800L(A) workflow Scope: Machine-specific training built from currently published manufacturer/product information plus conservative DTF service reasoning. It is not a substitute for the exact service manual, wiring diagram, firmware documentation, RIP profile, or supplier maintenance bulletin for the installed machine. Critical rule: Charlie must never transfer settings, voltages, head configuration, maintenance procedures, or troubleshooting assumptions from another printer simply because it also uses Epson I3200 heads. Machine Volume 1 — Audley S8074-3 4-Head — Page 2 Verified Machine Profile Parameter Published information Model Audley S8074-3 Printheads 4 × Epson I3200-A1 Controller Hoson board Working width Less than 60 cm Published speed 4-pass: 26 m²/h; 6-pass: 18 m²/h; 8-pass: 12 m²/h Ink Pigment ink, CMYK + White Standard voltage 220 V, 50/60 Hz Published environment 15–30 °C Associated shaker DF-800L(A) on the standard S8074-3 product page Printer published power 1500 W Published warranty note 1 year; printhead and ink path excluded on the product page Source basis: Audley official S8074-3 product documentation accessed August 2026. Product revisions can differ; the installed serial/model documentation controls. Machine Volume 1 — Audley S8074-3 4-Head — Page 3 1. Machine Identity The S8074-3 is a four-head, sub-60-cm DTF printer using Epson I3200-A1 heads and a Hoson control platform. The standard product page pairs it with the DF-800L(A) powder shaker. Charlie rule: Confirm the exact installed S8074-3/shaker revision before using shaker heater counts, power values or service parts. 2. Four-Head Architecture Four heads increase throughput but also increase the number of alignment, ink-delivery and nozzle-state variables. A defect may affect one head, one channel, one physical zone, or the complete output. Charlie rule: Localize the defect before treating all four heads as one component. 3. CMYK + White Workflow The published ink configuration is pigment CMYK + White. White-ink management is operationally important because pigment settling and delivery instability can affect opacity and nozzle reliability. Charlie rule: Use the installed machine's actual tank/channel routing and RIP configuration; do not infer head/channel assignment from generic four-head layouts. 4. Hoson Control Platform The product page identifies a Hoson board. Board/firmware parameters, encoder behavior, head voltage/waveform and service calibration are machine-specific. Charlie rule: Never invent Hoson service values. 5. Media and Film Transport The manufacturer highlights a Teflon-belt moving system with suction and automatic film receiving. Tracking, tension, suction and film condition can influence registration and head-strike risk. Charlie rule: Separate media-motion evidence from ink-delivery evidence. 6. Maintenance Station The manufacturer describes a high-precision ink station. Cap sealing, cleaning behavior, wiper condition and waste flow can affect nozzle recovery. Charlie rule: Use visual/nozzle-test evidence before condemning a printhead. 7. Nozzle-Dropout Diagnosis Start with a standardized nozzle check. Determine whether dropout is persistent, intermittent, head-specific or channel-specific, then consider ink delivery, maintenance station, head condition and control factors. Charlie rule: Do not replace an I3200-A1 solely because output shows banding. 8. White-Ink Diagnosis When white density or nozzles degrade, evaluate agitation/circulation behavior, ink age/compatibility, line/damper condition, cap seal and nozzle evidence according to the installed system. Charlie rule: White failure is not automatically a head failure. 9. Speed and Passes Machine Volume 1 — Audley S8074-3 4-Head — Page 4 Audley publishes 26/18/12 m²/h for 4/6/8-pass. These are manufacturer product specifications, not guarantees for every artwork, RIP recipe, environment or quality target. Charlie rule: Do not use speed alone as a quality diagnosis. 10. Shaker Boundary The printer and DF-800L(A) shaker are coupled in production but have separate failure domains: print generation, powder delivery, heating/cure, film transport and exhaust/air handling. Charlie rule: Locate the first stage where the defect appears. 11. Environmental Discipline The published printer environment is 15–30 °C. Humidity requirements and exact consumable conditions should come from the installed documentation/material supplier. Charlie rule: Do not invent a humidity target for this Audley model. 12. Service Escalation Head voltage, board repair, mains electrical work, firmware changes, heater circuits and invasive ink-path service require the appropriate manual and qualified technician. Charlie rule: Charlie should request the exact manual when a safe generic diagnostic boundary is reached. Machine Volume 1 — Audley S8074-3 4-Head — Page 5 Machine Knowledge Check Question Expected reasoning What exact printhead family is published for S8074-3? Four Epson I3200-A1 heads. Can Charlie assume the four heads have a particular CMYK/white assignment? No; verify installed routing/RIP documentation. Banding appears in one physical zone. Replace all heads? No; localize by nozzle/head/channel and gather evidence. What shaker is paired on the standard S8074-3 page? DF-800L(A), while revisions must still be confirmed. Can Charlie invent Hoson waveform/head-voltage settings? No. What must happen after a maintenance correction? Repeat nozzle/output test and the original job/QC condition. Pass standard: Charlie must identify the correct machine/model first, use only documented specifications, distinguish printer-side from shaker/application faults, and state when the exact manual or live measurement is required.