Pitney Bowes DM300c Service Manual page 6

Table of Contents
2.7 Weighing Options ...................................................................................... 2-12
2.8 External Printer Option .............................................................................. 2-12
2.9 Special Services Options........................................................................... 2-12
2.10 Graphics (Slogans, Permits and Inscriptions) ......................................... 2-12
2.11 Internal Ad and Inscription Storage .......................................................... 2-12
2.12 Compatible Pitney Bowes Software ........................................................ 2-13
2.13 Consumables (US) .................................................................................. 2-13
2.14 User-Replaceable Parts .......................................................................... 2-13
2.15 Meter Reports .......................................................................................... 2-14
Chapter 3 - Theory of Operation
3.1 Introduction .................................................................................................. 3-1
3.2 Product Features ......................................................................................... 3-1
3.3 User Interface .............................................................................................. 3-2
LED States .................................................................................................. 3-2
Modes of Operation ..................................................................................... 3-3
3.4 Envelope Tape Transport ............................................................................. 3-4
DM400c /DM450c/DM475 Autofeeder Transport ........................................ 3-4
Tape Feeder ................................................................................................ 3-8
Upper Transport .......................................................................................... 3-9
Lower Transport ........................................................................................ 3-10
Sequence of Operation ............................................................................. 3-11
3.5 Ink System ................................................................................................. 3-23
Ink Cartridge .............................................................................................. 3-23
Print Head and Carriage Board ................................................................. 3-24
Carriage Assembly .................................................................................... 3-25
Purge Unit ................................................................................................. 3-26
Waste Tank ................................................................................................ 3-29
User Maintenance ..................................................................................... 3-29
3.6 Electronics ................................................................................................. 3-30
PCBs ......................................................................................................... 3-33
Sensor Summary....................................................................................... 3-41
Motor Summary ......................................................................................... 3-43
3.7 Scale Controller ......................................................................................... 3-44
3.8 USB ........................................................................................................... 3-44
3.9 LEDs .......................................................................................................... 3-44
3.10 DM475 Feeder/WOW Theory .................................................................. 3-45
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DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)