iDP3420/3421/3423 User’sMa nual
24 CITIZEN
6. PRESET JUMPER SETTING

6.1 Location of PresetJumper

(1) Turnoff the power.
(2) Removea ca ssette ribbon.
(3) Removethe top cover. The preset jumper is located as shown in the figure below.
SerialInterface ParallelInterface

6.2 PresetJumper Table

Serial
Mode
Location CBM Star ESC/POS
SCA 1-C* 2-C 2-C
SCB 1-C * 1-C * 2-C
SCC 1-C 2-C *
SCD 1-C 2-C *
SCE 1-C * 2-C 1-C*
SCF 1-C * 2-C 1-C *
SCG 1-C * 2-C 1-C *
SCH 1-C 2-C * 2-C*
*=Open
1-C * = 1-C or open
2-C * = 2-C or open
Parallel
Mode
Location CBM Star ESC/POS
SCA 1-C* 1-C 2-C*
SCB 1-C 1-C 2-C
SCC 1-C * 1-C * 2-C
SCD 1-C 1-C 2-C*
*=Open
1-C * = 1-C or open
2-C * = 2-C or open