Service manual

3 • Theory Of Operation
3-16 DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
㽲 Press down start button -> 䇭 Carriage print position change 䋨 Purge if necessary 䋩
㽳
Carriage print position change completed -> Transport motor 䋯 feeder motor start
㽴 Detect envelope edge with PS3 䇭 -> 䇭 Envelope skew check
㽵 Envelope arrives at print start position 䇭 -> 䇭 Print Start
Figure 3-16 DM400c/DM450c Envelope Print Sequence
3.4 Envelope/Tape Transport
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
Input Roller
Output Roller
PS1
PS2
PS3
FS2
Head
FS1
Separate Roller
㽶 Detect front of envelope by FS2 䇭 -> 䇭 Print Cycle (Envelope 䋫 Gap)Check (Pause feeder if under 11 inches)
㽸 Detect front of envelope by PS3 䇭 -> 䇭 Envelope skew check
㽷 Envelope arrives at print finish position 䇭 -> 䇭 Printing done
To 㽵
above
Sequence of Operation (cont’d)