MUTOH Rockhopper II series Maintenance Manual page 226

Step 6 :
When the nozzles are not in one row, adjust the head front/back position by moving the Head
Front/Back Adjustment Screw the manner shown below. First adjust nozzle row A (1A, 2A, 3A,
4A). When adjusted perfectly, nozzle row B should automatically be adjusted. But in practice this
isn't always a fact. When your determine a small misalignment after adjusting A well, readjust
again until all nozzles of row A and B are perfectly aligned.
NOTE :
We only give an example for one colour combination. Please refer to "Operation
Procedure Labels" in the Maintenance Manual where you can find the other possible
colour combinations.
Step 7 :
Tighten the screw which secures the Head Fixing Plate.
Step 8 :
Repeat step 1 to 7 until the adjustment is correct.
Rockhopper II series printers – Maintenance Manual
227 AP-74065, Rev. 1.2, 27/09/04