Repeatability Adjustment (Bi-Directional) - MUTOH Rockhopper II series Maintenance Manual

7.8. REPEATABILITY ADJUSTMENT (BI-DIRECTIONAL)

To perform a Repeatability Adjustment, please follow the steps mentioned below.
Step 1 :
Start the self-diagnostic function.
Notes :
Step 2 :
Select "Adj:Bi-D".
Step 3 :
Print a repeatability pattern.
Step 4 :
The odd rows (with each 5 dots) are the references. So the even rows should be adjusted (use a
magnifying with an enlargement of at least 10)
When you want to move the even rows (with dots) to the right, you have to increase (+) the value.
For example: The value is 20, adjust it to 30 for example
When you want to move the even rows (with dots) to the left, you have to decrease (-) the value.
For example: The value is 20, adjust it to 10 for example
4B
Notes :
Step 5 :
Adjust reciprocation per head height.
#1: Head height LOW
#2: Head height MIDDLE
#3: Head height HIGH
Notes :
Refer to "Self-Diagnosis Function".
The value is -20, adjust it to -10 for example
The value is -20, adjust it to -30 for example
4A 3B
For 87-inch specifications, the head 5-A, 5-B, 6-A, 6-B, 7-A, 7-B, 8-A, 8-B are
added.
In the event that all parts of unit do not line up due to part or assembly precision
error, make adjustments until everything in the area around center lines up in a
straight line.
Rockhopper II series printers – Maintenance Manual
3A 2B 2A
230
1B 1A
AP-74065, Rev. 1.2, 27/09/04