Roche Diagnostics May 2009
B-114 Service Manual · Version 9.0
4 Components cobas b 221 system
Barcode scanner
o UPC-E
Following barcode types are used for electrodes, QC materials and solutions:
More available barcode types can be programmed according to the enclosed manual of the
PS2 hand-held scanner (included in delivery).
Type Barcode type Check Digits Length max
Electrodes Code 39 without
QC materials Interleaved 2 of 5 without 8 cm
Solutions Interleaved 2 of 5 without
Reprogramming of the barcode types "Code 39" and "Interleaved 2 of 5" (without "Check Digits")
is not allowed. The respective electrode, solution, QC and barcode data can no longer be read in.
If it is necessary to use one of the two barcode types with "Check Digits", a second barcode scanner
programmed specifically for the customer must be connected.