Unit 7: Replacement Procedures
SATO MB2i Service Manual PN 9001145B Page 7-12
GAP SENSOR REPLACEMENT
1 Switch off the printer and remove power supply.
2 Remove the front housing cover.
3 Open the top housing cover to access the gap sensor (Figure 7-9a).
Figure 7-9a, Gap Sensor Replacement
4 Insert a flat driver into the slots of the sensor guide and pry upward to remove.
5 Insert a flat driver between the print head bracket and the sensor bracket and pry outward
to detach.
6 Perform step 4 for each end of the print head until it is removed Figure 7-9b).
7 Disconnect the defective sensor from the main circuit board and detach from the sensor
bracket.
8 Connect the replacement sensor to the main circuit board, the sensor bracket, and the
sensor guide.
9 Reapply the print head and the sensor guide to the printer chassis.
10 Install all removed housing covers and test print.
NOTE: Figure 9-1 of the Charts & Diagrams unit provides guidance on
housing cover removal.
NOTE: Figure 9-1 of the Charts & Diagrams unit provides guidance on
housing cover installation.
Shaft
Guide Driver
Head
Bracket
Driver
Sensor
Bracket
Print Head
Sensor Guide
Sensor Bracket
