Head Precision Adjustment (Slant); Head Slant Adjustment - MUTOH Rockhopper II series Maintenance Manual

7.7. HEAD PRECISION ADJUSTMENT (SLANT)

This section explains the procedure for adjusting the head angle.
When replacing the head assembly, use the following procedure to adjust the head angle and head
forward/rear position.

7.7.1 Head slant adjustment

7.7.1.1 For a 4 head machine
Step 1 :
Start the self-diagnostic function.
Notes :
Step 2 :
Select "Adj:HeadSlant".
Step 3 :
Print "Slant" pattern.
If dotted lines on pattern CW and CCW are not a straight line, which you can check with a
magnifying glass (enlargement of at least 10), please go to step 4.
Notes :
When the printing pattern is printed, you will only see lines, and no notifications of ink
channels. The head sequence shown below.
4 head model: 1A, 1B, 2A, 2B, 3A, 3B, 4A, 4B
Step 4 :
Loosen the screw (with one turn) fixing the head stationary plate.
Step 5 :
Make adjustments until amount of CW and CCW offset are identical.
Refer to "Self-Diagnosis Function"
No.
1 Screw (M2.5x5) fixing the head stationary plate
2 Angle adjustment screw
3 Front and back adjustment screw
Rockhopper II series printers – Maintenance Manual
Part
221 AP-74065, Rev. 1.2, 27/09/04