Roche Diagnostics May 2009
Service Manual · Version 9.0 B-113
cobas b 221 system 4 Components
Barcode scanner
7
Remove the two screws holding the actuator bus plug.
8
Release the controller cable connector on the hemolyzer.
9
Release the controller cable connector on the vacuum control board.
10
Release the controller cable connector on the FMS control board.
11
Release the controller cable connector on the T&D module.
12
Pull the controller cable out of the cable guide and remove it.
Use the reverse order for assembly.
Barcode scanner
General
Interface pin assignment:
The barcode scanner is pre-programmed for the following barcode types:
o China Postal Code
o Codabar
o Code 39
o Code 128
o EAN-8
o EAN-13
o EAN-128
o Interleaved 2 of 5
o UPC-A
Type Hand scanner with integrated decoder
Read rate up to 45 scans/sec.
Resolution 0,1 mm
Reading distance up to 5 cm
Reading width up to 8 cm
Ta bl e B -5 Barcode scanner characteristics
Figure B-85 Interface pin assignment
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