Hitachi HT-4139-28 Maintenance Manual page 82

8.3.9 Replacing the Imprinting Head Assembly
① Remove the Main Cover (L) (R), the Side Cover (L) (R), the Back Cover. For instructions, please refer to
"8.1 Preparation". Unscrew 4 bind-head screws on the Eject Guide, and remove the Eject Guide. For
instructions, please refer to "8.3.5 Replacing Scanner ASSY"
② Remove the Package Cover. For instructions, please refer to "8.3.2 Replacing Main P/K ASSY (CPS619
P/K)"
③ Remove Main P/K ASSY (CPS 619 P/K). For instructions, please refer to "8.3.2 Replacing Main P/K
ASSY (CPS619 P/K)"
④ Disconnect connector J36 from the DRV P/K ASSY (CPS 614 P/K)
⑤ Unscrew 2 bind-head screws on the Imprinting Head Assembly.
⑥ Disconnect the MRB connector and then the Imprinting Head Assembly.
⑦ Unscrew 2 bind-head screws on the Ribbon Holder.
⑧ When replacing the Imprinting Head, bend the tip lightly in the direction of the arrow shown in the below
picture.
⑨ Replace Imprinting Head
⑩ Read "9.7 Adjusting the Ribbon Holder" and check the Ribbon Holder, and the position of the gears. Take
the reverse steps to attach it onto the device
Caution：For instructions, please refer to "8.3.4 Replacing the SS P/K ASSY (CPS618 P/K)"
If not, the Ultra sonic Sensor might not work correctly because of noise.
⑪ To adjust the Imprinting Gap, For instructions, please refer to " 9.5 Adjusting the Imprinting Gap"
⑫ Run the print test and check the printing condition.
#17 Imprinting Head Assembly
Bind-head screw
Cable
Bind-head screw
Bind-head screw
Ribbon Holder
Tools Needed: Magnetic Philips Screwdriver (No.2),
E-ring Removal
Bind-head screw
#107 Imprinting head
Bind-head screw
#106 Gear(NMB)
Bind-head screw
REV0 10.02.15
MRB Connec tor
#108
DC Motor(NMB）
-H8-19-