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Green rectangular circuit board with gold edge connector and metal Ethernet port

Citizen

Citizen IF5-ES04 Ethernet Interface Card for CL-S700

SKU CH-AQ33-WTT7P MPN IF5-ES04

Adds LAN connectivity to CL-S700 and compatible Citizen label printers

  • Network connectivity for CL-S700 printers via LAN card
  • Compatible with 521, 531, 621, 631 and CL-S700 models
  • Ethernet interface enables shared printing across systems
  • New condition ensures reliable out-of-box performance
  • Manufacturer listed April 2026 for current availability

Ethernet Interface for CL-S700 Printers

The Citizen IF5-ES04 adds a wired network port to compatible Citizen barcode and label printers. It installs inside the printer chassis to provide LAN connectivity for shared printing environments. This new interface card is designed for the CL-S700 series and select legacy models.

Suited for Networked Print Stations

Operations that need to place the CL-S700 on a corporate LAN will find this card fits the requirement. Sites relying solely on USB, serial or parallel connections cannot use this expansion. Buyers who need wireless or Bluetooth connectivity must look at other accessories.

521/531/621/631/CL-S700 Compatibility List

The manufacturer highlights confirm support for the 521, 531, 621, 631 and CL-S700 printer lines. Installing the card in any other model is not supported by the supplied data. Verify the exact printer model before purchase.

How it compares

Measured against everything we stock in Thermal Label & Receipt Printers, at today’s prices. Recalculated every night.

Price $223.99
Pricier than about 68% of the 858 comparable items (median $84.99).

Specifications

Product
Brand nameCITIZEN
Size & build
Shipping weight0.91 kg
Package size203 × 152 × 51 mm

Questions about this item

How is the IF5-ES04 installed in the CL-S700, and which step is often missed?

Power off the printer, open the interface slot cover, insert the card until it clicks, then secure the retaining screw; the step often missed is fastening that screw before closing the cover.

What maintenance or replacement will the IF5-ES04 need over time?

The card itself has no moving parts or consumables; only the printer's printhead, platen roller or media supplies will require periodic replacement.

What limit appears first during sustained high-volume printing with the IF5-ES04?

The printer's own print engine speed and media handling become the bottleneck before the Ethernet interface saturates.

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