Toshiba B-EX4 SERIES Service Manual

9. MAJOR UNIT REPLACEMENT EO18-33027
9.7 PRINT HEAD
9-17
5) Replace the print head ass’y with a new one, then reassemble in the reverse order of removal.
NOTE: Fit the positioning pins of the head bracket into the positioning holes of the print head ass’y, which
doesn’t require the position adjustment.
6) Make sure that the print head harness doesn’t appear out of the print head block. If so, the print
head harness may touch the ribbon and the media, causing a print failure.
7) Perform a test print. Make sure that printing is performed correctly.
If the print tone is improper, refer to Section 5.5.5 Density fine tune (Thermal transfer) to fine
adjust the print tone.
8) Refer to Section 5.8.2 to perform a maintenance counter clear.
Positioning Pin
Head Bracket
Positioning Hole
Print Head Ass’y
Positioning Pin
Positioning Hole
Print Head Harness
Print Head Block

Toshiba B-EX4 SERIES Specifications

General

Print Technology	Thermal Transfer / Direct Thermal
Power Supply	AC 100-240V, 50/60 Hz
Print Resolution	203 dpi
Max Print Width	104 mm
Connectivity	USB, Serial, Ethernet
Media Sensor	Transmissive, Reflective
Media Type	Roll, Fanfold, Tag, Ticket
Media Width	25.4 mm
Ribbon Width	110 mm
Ribbon Length	Up to 600 m
Media Thickness	0.06 – 0.19 mm