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HP Latex 3000 Printer Series - Safety precautions

Before using your printer, read the following safety precautions and operating instructions to make sure you use the equipment safely.
You are expected to have the appropriate technical training and experience necessary to be aware of hazards to which you may be exposed in performing a task, and to take appropriate measures to minimize the risks to yourself and to others.
Operations must be supervised at all times.

General safety guidelines

  • Turn off the printer, using the Branch Circuit Breakers located in the building's Power Distribution Unit (PDU), and call your service representative (see HP Customer Care CentersHP Customer Care Centers) in any of the following cases:
    • The power cord is damaged.
    • The drying or curing enclosures are damaged.
    • The printer has been damaged by an impact.
    • Liquid has entered the printer.
    • There is smoke or an unusual smell coming from the printer.
    • The printer's built-in Residual Current Circuit Breaker (Ground Fault Circuit Interrupter) has been repeatedly tripped.
    • Fuses have blown.
    • The printer is not operating normally.
    • There is any mechanical or enclosure damage.
  • Turn off the printer using the Branch Circuit Breakers in either of the following cases:
    • During a thunderstorm
    • During a power failure
  • Take special care with zones marked with warning labels.

Electrical shock hazard

  warning:
The internal circuits and drying and curing modules operate at hazardous voltages capable of causing death or serious personal injury.
Turn off the printer using the Branch Circuit Breakers located in the building's Power Distribution Unit (PDU) before servicing the printer. The printer must be connected to earth at mains outlets only.
To avoid the risk of electric shock:
  • Do not attempt to dismantle the drying and curing modules or the e-cabinet except during hardware maintenance tasks. In that case, follow the instructions strictly.
  • Do not remove or open any other closed system covers or plugs.
  • Do not insert objects through slots in the printer.
  • Test the functionality of the Residual Circuit Breaker (RCCB) every year (refer to the procedure below).
note:
A blown fuse may indicate malfunctioning electrical circuits within the system. Call your service representative (see HP Customer Care CentersHP Customer Care Centers), and do not attempt to replace the fuse yourself.
Checking the functionality of the Residual Circuit Breakers (RCCBs)
Following standard Residual Current Circuit Breaker (RCCB) recommendations, it is recommended that the RCCBs are tested on a yearly basis. The procedure is as follows:
  1. Turn off the built-in computer using the Internal Print Server’s Shutdown button (or, in Print Care, select Printer tools > Power options > Shutdown). Do not turn off the printer from the mains switch or the circuit breakers.
      caution:
    The shutdown process takes some time to complete. Wait until the green Power Enabled light is off before proceeding.
  2. Once the computer is off, test that the RCCB works correctly by pressing the test button.
    • If the RCCB does not trip when the test button is pressed, this indicates that it has failed. The RCCB must be replaced for safety reasons; call your service representative to remove and replace the RCCB.
    • If the RCCB trips, this indicates it is working correctly; reset the RCCB to its normal on state.

Heat hazard

The drying and curing subsystems of the printer operate at high temperatures and can cause burns if touched. To avoid personal injury, take the following precautions.
  • Do not touch the internal enclosures of the printer's drying and curing modules.
  • Take special care when accessing the substrate path.
  • Remember to let the printer cool down before performing some maintenance operations.

Fire hazard

The drying and curing subsystems of the printer operate at high temperatures. Call your service representative if the printer's built-in Residual Current Circuit Breaker (Ground Fault Circuit Interrupter) is repeatedly tripped.
To avoid the risk of fire, take the following precautions.
  • Use the power supply voltage specified on the nameplate.
  • Connect the power cords to dedicated lines, each protected by a branch circuit breaker according to the information detailed in the Site Preparations documentation.
  • Do not insert objects through slots in the printer.
  • Take care not to spill liquid on the printer. After cleaning, make sure all components are dry before using the printer again.
  • Do not use aerosol products that contain flammable gases inside or around the printer. Do not operate the printer in an explosive atmosphere.
  • Do not block or cover the openings of the printer.
  • Do not attempt to modify the drying or curing module, or the e-cabinet.
  • Ensure that the operating temperature of the substrate recommended by the manufacturer is not exceeded. If this information is not available, ask the manufacturer. Do not load substrates that cannot be used at an operating temperature above 125°C (257°F).
  • Do not load substrates with auto-ignition temperatures below 250°C (482°F). See note below. No ignition sources are close to the substrate.
    note:
    Test method based on EN ISO 6942:2002; Evaluation of materials and material assemblies when exposed to a source of radiant heat, method B. The test conditions, to determine the temperature when the substrate starts ignition (either flame or glow) were: Heat flux density: 30 kW/m2, Copper calorimeter, K type thermocouple.
  • Proper maintenance and genuine HP consumables are required to ensure that the printer operates safely as designed. The use of non-HP consumables (foams, filters, printhead cleaner roll, and inks) may present a risk of fire.

Mechanical hazard

The printer has moving parts that could cause injury. To avoid personal injury, take the following precautions when working close to the printer.
  • Keep your clothing and all parts of your body away from the printer's moving parts.
  • Avoid wearing necklaces, bracelets and other hanging objects.
  • If your hair is long, try to secure it so that it will not fall into the printer.
  • Take care that sleeves or gloves do not get caught in the printer's moving parts.
  • Avoid standing close to the fans, which could cause injury and could also affect print quality (by obstructing the air flow).
  • Do not touch gears or moving rolls during printing.
  • Do not operate the printer with covers bypassed.

Light radiation hazard

Infrared (IR) radiation is emitted from the dryer module. The dryer enclosure limits radiation in compliance with the requirements of the exempt group of IEC 62471:2006, Photobiological safety of lamps and lamp systems. However, you are recommended not to look directly at the lamps while they are on. Do not modify the dryer enclosure.

Sound pressure level

The sound pressure level could exceed 70 dBA in some print modes. Hearing protection may be required.

Heavy substrate hazard

Special care must be taken to avoid personal injury when handling heavy substrates.
  • Handling heavy substrate rolls always requires two people. Care must be taken to avoid back strain and/or injury.
  • Always use a forklift, pallet truck, or other handling equipment to lift substrates. The printer has been designed to be compatible with many of these devices.
  • Always wear personal protective equipment including boots and gloves.

Ink handling

HP recommends that you wear gloves when handling ink system components.

Use of tools and keys

  • Users: Daily operations including printer settings, printing, substrate loading, replacement of ink reservoirs, and daily checks. No tool or maintenance key is required.
  • Maintenance personnel: Hardware maintenance tasks and replacement of printheads, filters, ink waste bottles, foams, and printhead cleaning roll. The maintenance key and a flat screwdriver are required.
  • Service personnel: Any repair or maintenance operation, running diagnostics, and troubleshooting. Required:
    • Maintenance key
    • E-cabinet key
    • Mains switch key
    • Internal Print Server key
    • Torx screwdriver set
note:
During the installation of the printer, the designated personnel receive training for the safe operation and maintenance of the printer. It is not allowed to use the printer without this training.
note:
After using the maintenance key to open a door, remember to lock it afterwards, and return the key to safe and secure storage.

Warnings and cautions

The following symbols are used in this manual to ensure the proper use of the printer and to prevent the printer from being damaged. Follow the instructions marked with these symbols.
  warning:
Failure to follow the guidelines marked with this symbol could result in serious personal injury or death.
  caution:
Failure to follow the guidelines marked with this symbol could result in minor personal injury or damage to the product.

Warning labels

Label
Explanation
Located on the e-cabinet; for service personnel only
Electric shock hazard
Heating modules operate at hazardous voltage. Disconnect power source before servicing.
Caution! Double pole. Neutral fusing. Refer servicing to qualified service personnel.
In case of operation of the fuse, parts of the printer that remain energized may represent a hazard during servicing. Before servicing, turn off the printer using the Branch Circuit Breakers located in the building's Power Distribution Unit (PDU).
Warning
High leakage current. Current leakage may exceed 3.5 mA. Earth connection essential before connecting supply. Equipment to be connected to earthed mains only.
See installation instructions before connecting to the supply. Ensure that the input voltage is within the printer's rated voltage range. The printer requires up to two dedicated lines, each protected by a branch circuit breaker according to site preparation requirements.
Before starting
Read and follow the operating and safety instructions before starting the printer.
Located on the curing and drying modules
Risk of burns. Do not touch the internal enclosures of the printer's drying and curing modules.
Located on each side of the substrate path, close to the PPS gear
Crush hazard. Do not touch PPS while moving. When the substrate has been loaded, the carriage descends into its printing position, and could crush your hand or anything else left underneath it.
Located on each side of the substrate path, close to the PPS gear
Risk of trapped fingers. Do not touch gears while moving. Danger that your hands may become trapped between gearwheels.
Located internally on the substrate path and internally on the right cover; for maintenance/service personnel only
Hazardous moving part. Keep away from moving printhead carriage. When printing, the printhead carriage travels back and forth across the substrate.
Located on the dryer module; for maintenance/service personnel only
Light radiation hazard. Infrared (IR) radiation is emitted from this printer. Do not modify the dryer enclosure. You are recommended not to look directly at the lamps when they are on.
The dryer enclosure limits radiation in compliance with the requirements of the exempt group of IEC 62471:2006, Photobiological safety of lamps and lamp systems.
Located on the condensation collector bottle and the printhead cleaning roll carriage
You are recommended to wear gloves when handling ink cartridges, printhead cleaning cartridges, and the printhead cleaning container.
Located at the rear, on the left cover
Sound level could exceed 70 dBA in some print modes. Hearing protection may be required.
Located internally on heating modules and electrical cabinets; for maintenance/service personnel only
Electric shock hazard. Disconnect power before servicing. Heating modules and electrical cabinets operate at hazardous voltage.
Located internally, close to vacuum fan blades; for maintenance/service personnel only
Hazardous moving parts. Keep away from moving fan blades.
Identifies the Protective Earth (PE) terminal for qualified electricians, and bonding terminals for maintenance/service personnel only. Earth connection essential before connecting supply.

Emergency stop buttons

There are four emergency stop buttons distributed around the printer. If an emergency occurs, simply push one of the emergency stop buttons to stop all printing processes. A system error message is displayed, and the fans turn at maximum speed. Ensure that all emergency stop buttons are released before restarting the printer.
For safety reasons, access to the print zone is not permitted while printing is in progress. Therefore, if the front door or the loading table is opened, power to the carriage and to the drying and curing module is disconnected. The print is cancelled and a system error may be displayed.

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