Tektronix Phaser 340 Service Manual page 4

Serial numbering for Phaser 350
Serial number history for Phaser 340
4 Phaser 340 and 350 Color Printers
The serial number has the format of B YRxxxx where:
B = Beaverton
Y = Year (0-9)
R = Revision level (A thru Z, minus "I" and "O")
xxxx = numerical values only (0-9)
This is the begining serial number for the Phaser 350:
B6A0100
B = Beaverton
Y = Year (0 - 9)
M = Month (0 - 9, A, B, C)
D = Day (base 34)
R = Revision level (range 0 thru 9 and A thru Z; base 34)
xxxx = numerical values only (0 - 9)
zz = alphanumerial values (range 0 - 9 and A through Z; base 34)
These are previous printer serial number patterns in sequential order:
B15 First production output, serial number format B RYMDzz .
B25 V1.2 print engine firmware.
B35 V1.8 print engine firmware.
B4 zz Serial number format change, serial number format B RzzDMY .
B5 zz V1.22 print engine firmware.
B6 zz V1.24 print engine firmware, field update is 650-3163-02.
B7 zz Power supply 650-3365-01 or 650-3397-00 thermistor kit.
B8 zz Redesigned cap/wipe/purge assembly 650-3258-01.
B9 zz 2-flag ink loader.
BC zz Version 2 chassis, Web support and NDS support on Netware, 4:1
jet interlace.