SATO Comprehensive Guide to Ribbon Sensor Replacement for M84PRO Printers

Section 7: Replacement Procedures

84 +RS	BOARD
IEEE12

BELT CO

NFIGURATION

Figure 7-18, Wiring Harness Connection

RIBBON SENSOR REPLACEMENT

1

1Switch off the printer and disconnect the power supply cord.

2Open or remove the top, left, and right housing covers.

NOTE: Figures 10-1 and 10-3 of the Daigrams & Schematics section pro- vides guidance on housing cover and ribbon removal.

3Remove ribbon to allow access to ribbon sensor (1, Figure 7-21) and supply assembly (2).

4Remove screw (3) and screw (4) from ribbon supply assembly (2).

5Withdraw boss cap (5), two collars (6), ribbon boss (7), another collar (6), and disk plate (8) from ribbon supply shaft (9) consecutively.

6Disconnect the wiring harness of ribbon sensor (1) from the main circuit board.

7Remove screw (10) securing ribbon sensor (1) to printer frame. Lift away sensor (1).

8Route replacement sensor (1) through printer frame.

9Secure replacement sensor (1) to printer frame using screw (10).

10Apply disk plate (8), a collar (6), ribbon boss (7), two additional collars (6), and boss cap (5) onto ribbon supply shaft (9) and secure with screw (4).

11Align orifices of boss (7) and shaft (9) and apply screw (3).

12Connect wiring harness of replacement ribbon sensor (1) to main circuit board. Refer to Figure 7-22 for guidance.

M84Pro Service Manual PN: 9001111A Page 7-23