Dm475 Feeder/Wow Theory - Pitney Bowes DM300c Service Manual

3.10 DM475 Feeder/WOW Theory

Sensors
Qty Sensor Name
1 FS1 Deck
1 FS2/WS1 Feeder_Exit
1 WS2 WOW_middle
1 WS3 WOW_Exit
1 S1 Printer Module_
Entrance
1 S2 Skew
1 S3 Trip
1 S4 Feeder Top Cover Digital with Mechanical
1 S5 Transport
1 S6 Printer Top Cover
1 WS4 Width Sensor 1
1 WS5 Width Sensor 2
WS6 Width Sensor 3
1 T1 Thickness Sensor Digital - Encoder
1 WOW load cell
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
Type
Digital with Mechanical
Flag
Digital Through-Beam
Digital Through-Beam
Digital Through-Beam
Flag
Digital with Mechanical
Flag
Digital with Mechanical
Flag
Analog
Analog
Analog
Analog - Load Cell
3 • Theory Of Operation
Function
Detects an empty feeder deck
Mail piece gap creation. Stage mail
ahead of WOW module. Used as 1 of 3
sensors to measure mail length
Used to measure envelope length of
material less than 9.88 inches.
Used to measure envelope length great-
er than 9.88 inches. Also used to detect
envelope exit from weighing transport.
Detects mail entering the printer mod-
ule.
Used to detect skew in the DM300c.
Skew sensing is turned off in the DM400
through DM475. Even though there is
no S2 on the DM475, it is still displayed
in Diagnostics as "Clear".
Used to Debit funds and generate indica
prior to printing.
Monitors Feeder top cover position
Monitors Printer transport position
Monitors Printer top cover position
Service adjustable sensor for first width
breakpoint (physical adjustment)
Service adjustable sensor for second
width breakpoint (physical adjustment)
For future use. Service adjustable
sensor for third width breakpoint. Not
populated . (physical adjustment)
Measures Mail thickness
Weight measurement, input to WOW
3-49