DX4 Solvent Cap / Cap Top — Ref. 1000004546

The DX4 capping (cap top) ref. 1000004546 is an essential component of the maintenance system for large-format printers fitted with Epson DX4 printheads. It ensures the printhead is sealed and enables effective cleaning via suction.

This cap top is mainly used on Roland and Mutoh printers, with extended compatibility across many models fitted with DX4 printheads.

It is also compatible with Mutoh part numbers ME-80077, KY-81854 and MY-81854.

♻️ Sustainable approach: replacing your capping cap regularly helps prevent the print head from becoming clogged and extends its lifespan, thereby reducing costs and electronic waste.

Technical specifications

• Part numbers: Roland 1000004546 / 1000002794
• Mutoh equivalent: ME-80077 / KY-81854 / MY-81854
• Type: Cap Top / Capping station
• Compatible printhead: Epson DX4
• Inks: Solvent / eco-solvent
• Function: Sealing + suction + humidity control

Printer compatibility

Roland:

• SJ, SC, SP, FJ, FP, VP, RS, XC, XJ, LEC, LEF, LEJ

Mutoh:

• Blizzard, Rockhopper II / III, Spitfire, Viper

Mimaki (depending on DX4 models):

• JV4, JV22, TX2, DS

Main functions

• Ensures the print head remains sealed when idle
• Maintains nozzle humidity
• Enables vacuum cleaning
• Prevents ink from drying out

Signs of wear

• Frequent nozzle blockages
• Ineffective cleaning
• Ink drying on the print head
• Loss of print quality

The capping unit is a critical wear part. Regular replacement is recommended to prevent irreversible damage to the DX4 print head.

♻️ DG Spare Parts — specialists in the reuse of parts for large-format printers.

Internal reference: PM-CAP001