Intercall 600/700 Installation & Operation Guide Issue 4.27 Page 28 of 78
Installation Procedures – Upgrading L607/L707 Printer Interface to L747
If the L607 or L707 Printer Interface has failed and you wish to replace this unit, it must be replaced with a L747
Universal Interface. The following text describes the upgrade procedure and pre-installation checks.
1. Check that the existing printer is a DPU414 (If the existing printer is a DPU411 or DPU40 then this will not work
with the L747 and a new DPU414 must be purchased)
2. Assuming the existing printer is a DPU414 you will need to purchase the following items:
• DPU414 Battery pack Order Code E1779
• DPU414 Plug top power supply Order Code Order Code E1780
• DPU414 Parallel Data Cable Order Code W1788
• L747 Universal Interface
3. If the existing printer is a DPU40 or DPU411 you will need to purchase the following items:
• DPU414 Thermal Printer
• L747 Universal Interface
4. Installation/Upgrade procedure:
• Disconnect and remove existing L607 / L707 Printer Interface.
• Discard existing power and data leads between interface and printer
• Fit batteries into the compartment in the DPU414 Printer. See DPU414 manual page 25
• Plug top power supply plugs into 13Amp socket and rear of DPU414 Thermal Printer
• Connect new white data cable to DPU414
• Switch plug top power supply and leave connected to DPU414 for 24hours to charge battery.
• Install L747 as per standard instructions.
To fit the battery into the DPU414:
• Turn the printer over, locate the batter compartment and remove the compartment cover.
• Connect the battery pack plug to the small socket in the battery compartment.
• Insert the battery pack with the label showing.
• Replace the battery compartment cover.
• Connect the mains charger and switch on for 24 hours to fully charge the battery.
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