Lexmark MS911 Service Manual page 678

# Part
1 Sensor (HPBF bin empty, receive)
2 Bifold job
3 Booklet maker exit roller
4 Trifold knife
5 Bifold top roller
6 Bifold knife
7 Bifold bottom roller
8 Trifold roller
9 Motor (bifold roller)
10 Trifold job
11 Sensor (HPBF bin empty, transmit)
Appendix C: Theory of operation
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