24
(3) Adjustment
Adjust the print speed adjustment VR on the
solder side of the main PCB assembly until cycle
A falls within the range shown below.
Value of A
Adjustment procedure
601m-733ms
When A is out of range: Perform
adjustment by turning the VR.
3-4-2 Platen/Head Gap Adjustment
(1) Procedure
1. Remove the 2-station housing cover.
2. Loosen the two fastening screws of the PF
housing platen assembly.
(2) Adjustment
Use a thickness gauge to measure the gap between
the head assembly and the platen assembly.
Adjust the two adjustment screws (M3x10 hex
socket screws) on the rear until the gap is within
the range shown below.
Note 1. Adjust the gap in three locations (right,
left, center).
2. Retighten the loosened screws.
Gap
Adjustment procedure
0.5 - 0.55 mm
When gap is out of range:
Adjust the gap by turning two
adjustment screws on rear.
Main PCB assembly
Validation sensor
adjustment VR
Print speed
adjustment VR
3-4-3 Bi-directional Printing Shift Adjustment
(1) Procedure
Perform bidirectional printing. Judge the results
and rotate the motor shaft while holding the
timing disc stationary, until there is no printing
shift.
(2) Adjustment
Hold the timing disc stationary with a flat object
(such as the grip of a pincette). Grasp the motor
shaft with a pair of radio pliers and rotate the shaft
in the direction as indicated in the table below.
Print condition
Adjustment procedure
Rotate shaft in clockwise
direction until shift is
within 1 dot.
Rotate shaft in
counterclockwise
direction until shift is
within 1 dot.
Summary of Contents for UP-600
Page 8: ......
Page 77: ...CHAPTER 9 PWB LAYOUT 1 MAIN PWB 1 A side R VRD RC2EY103J is added IC1 94pin R71 ...
Page 78: ...2 B side Symbol PartsCod ...
Page 79: ...2 CKDC PWB 3 DISPLY MCR PWB 1 A side 2 B side 4 RS232 RELAY PWB 1 A side 2 B side ...
Page 80: ...5 IPL ROM PWB 1 A side 8 POP UP DISPLY 9 LCD I F PWB 2 B side 6 TCP IP RELAY PWB 7 VR PWB ...