Specifications

Rockhopper II series printers – Maintenance Manual
230
AP-74065, Rev. 1.2, 27/09/04
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 :
¾ Refer to “Self-Diagnosis Function".
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
The value is -20, adjust it to -10 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
The value is -20, adjust it to -30 for example
4B 4A 3B 3A 2B 2A 1B 1A
Notes :
¾ For 87-inch specifications, the head 5-A, 5-B, 6-A, 6-B, 7-A, 7-B, 8-A, 8-B are
added.
Step 5 : Adjust reciprocation per head height.
¾ #1: Head height LOW
¾ #2: Head height MIDDLE
¾ #3: Head height HIGH
Notes :
¾ 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.