Service manual

3 • Theory Of Operation
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
3-19
Input Roller
Output Roller
PS1
PS2
PS3
Head
㽲 Detect envelope by PS1 -> 䇭 Shift carriage print position 䋨 Purge if necessary 䋩
㽳
Carriage print position shift complete -> Start transport motor
㽴 Detect front of envelope by PS3 䇭 -> 䇭 Stop transport motor 䇭 -> Check envelope skew 䇭 -> Start data generate
㽵 Data generate complete 䇭 -> 䇭 Start transport motor
Input Roller
Output Roller
PS1
PS2
PS3
Head
Input Roller
Output Roller
PS1
PS2
PS3
Head
Input Roller
Output Roller
PS1
PS2
PS3
Head
Figure 3-19 DM300c Envelope Print Sequence
3.4 Envelope/Tape Transport
㽶 Envelope arrives at print start position 䇭 -> 䇭 Print Start
㽸 Detect front of envelope by PS3 䇭 -> 䇭 Stop transport motor 䇭 -> Envelope skew check 䇭 -> Start data generate
㽷 Envelope arrives at print finish position 䇭 -> 䇭 Print Finish
To 㽵
Input Roller
Output Roller
PS1
PS2
PS3
Head
Input Roller
Output Roller
PS1
PS2
PS3
Head
Input Roller
Output Roller
PS1
PS2
PS3
Head
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Sequence of Operation (cont’d)