4-26
1
4-4 HEAD ALIGNMENT (Referential Time : 30 min._1 Head Alignment)
[About HEAD ALIGNMENT]
HEAD ALIGNMENT is necessary to obtain the good printing quality.
Be sure to perform the HEAD ALIGNMENT when the Head is replaced.
If the heads are not aligned, printing problems such as banding, fi ne lines and gap between bands could
occur.
Please DO NOT use Take-Up devise for this alignment.
The media tension changes during test printing and the result of alignment is not reliable.
Finish the Head Alignment within 20 minutes to prevent
the ink from hardening. When 20 minutes passes, per-
form the Medium Cleaning.
CLEANING
CLEANING
MEDIUM
MEDIUM
AB
Always use the UV protection sheet
during this alignment, or ink will harden and clog inside the ink line.
UV protection sheet
Parts NO.: 1000005829
Parts Name : TOOL,VINYL YE UV RESISTANT ST-113
Remove I/S Cover and Right Inner Plate.
Right Inner Plate has a small hook on its right
bottom and it is inserted to the lower cover. Be
careful when removing it.
I/S Cover
Right Inner
Plate
Hook
Screw
For replacing [Head 5], use the special bit as below or any of a No.1 bit which length from 200mm to 300mm instead
of the special bit.
- 1000008127
TOOL,BIT CROSS NO1 V17 7X207L ST-121
Necessary special tools :
- ST-056 TORQUE DRIVER NS
- 1000005463 TOOL,BIT PHILLIPS NO.1 L150MM ST-107
Summary of Contents for VersaUV LEJ-640
Page 32: ...2 4 MAIN BOARD_Arrangement Diagram Soldering Side ...
Page 43: ...2 15 HEAD BOARD_Arrangement Diagram Soldering Side ...
Page 54: ...2 26 SERVO BOARD_Arrangement Diagram Soldering Side ...
Page 63: ...2 35 SUB BOARD B_ Arrangement Diagram Component Side ...
Page 70: ...2 42 2 6 INK SYSTEM BOARD INK SYSTEM_Arrangement Diagram Component Side ...
Page 282: ...4 74 9 Fix the I S Cover I S Cover Hook Screw Screw ...
Page 306: ...7 2 Unpacking ...