Epson Stylus Pro 3800/3800C/3850/3880/3885/3890 Revision C
DISASSEMBLY & ASSEMBLY Disassembly/Assembly Procedure (Group 1) 93
4.3.2  Consumable
4.3.2.1  Ink Cartridge
1. Turn the printer ON.
2. Hold down the Ink Cover Open/Up button on the operation panel for more than 
three seconds. The COVER, IH, ASSY. will be unlocked and slightly opened.
3. Open the COVER, IH, ASSY.
4. Press the Ink Lever of the each Ink Cartridge to release the lock.
5. Remove the Ink Cartridges. 
Figure 4-3.  Opening the COVER, IH, ASSY.
Figure 4-4.  Removing the Ink Cartridges
C A U T I O N
 Never touch the IC chips on the Ink Cartridges. Doing so may 
cause a detection error of the Ink Cartridges or a malfunction 
of the printer.
 Never touch the ink supply port of the Ink Cartridges as ink 
may leak from the port.
IC Chip
Ink Supply Port
Ink Cover Open/UP Button
COVER, IH, 
ASSY.
Ink Cartridge
Ink Lever