CISS and the chips for HP Designjet Z2100 and HP Photosmart Pro B9180:

Z2100:

left side:M(C9453)->Y(C9454)

right side:LM(C9455)->LC(C9390)->PB(C9449)->LG(C9451)->MB(C9448)->C(C9452).

B9180:

PK(C9413)->LG(C9414)->MK(C9412)->C(C9415)->M(C9416)->Y(C9417)->LM(C9419)->(C9418).