Problem with epson driver

[Boudewijn]

Hello,

Whem I'm want to use alc1900 driver or eplaser driver I get the following error:

client-error-not-possible

What is going wrong, I can print with the hpijs driver, but only B&W

some settings:
socket://192.168.1.150:9100
Epson AcuLaser C1900 Foomatic/eplaser

or

socket://192.168.1.150:9100
Epson AcuLaser C1900, Foomatic + alc1900

please help