do you have a printer status monitor icon in the show hidden icons window, i have a kodak printer and it shows the ink levels there when i click the status monitor. possibly a similar feature will show for you
My Computer
Computer Manufacturer/Model Number
Hewlett packard/p6512uk
OS
Microsoft Windows 7 Home Premium 64-bit 7600
CPU
IIx4 amd athelon 635 processor
Motherboard
FOXCONN 2AA9
Memory
2x2gb
Graphics Card(s)
ati radeon HD 5450
Sound Card
(1) Realtek High Definition Audio (2) AMD High Definition
Monitor(s) Displays
samsung lcd tv 32"
Screen Resolution
1360x 768
Hard Drives
(1) WDC WD10 01FAES-60Z2A0 SATA Disk Device (2) Maxtor OneTouch USB Device (3) ST310003 33AS USB Device (4) WD My Book 1111 USB Device
It's been a long long time since I've had an Epson printer, but they always had a separate application to monitor the status and ink levels for their printers...aside from the driver file.