Lexmark X95 series, Service Manual

Page: 455 / 1182

Diagnostic aids
3-103
7558- xxx
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Documents in the compiler tray are assembled towards the front. For center stapling and folding positions, one
set of document is assembled and moved to the center.
The booklet end guide is lifted to where the fold will divide the paper into two equal halves. When the printouts
are stapled, the booklet end guide will be raised so that the stapled position is at the folding position. The
stapling position is slightly lower than the folding position center line.
When the movement from the booklet folding/exit drive motor is transferred to the knife through the engagement
of the sector gear, the knife will thrust forward and then return to the original position after one full rotation. At the
folding position, the knife is thrust forward to fold the paper between booklet folding roll and booklet folding nip
roll.
Paper is folded into two halves by the booklet folding roll driven by the booklet folding/exit drive motor and is
delivered to the booklet media bin by the booklet media exit roll assembly. The booklet media bin belt will move
at a fixed interval for every set of booklets that are created.
Functions of booklet sensors and motors
• Sensor (booklet media entrance)
–
This photo sensor detects the media delivery to the booklet unit.
• Sensor (booklet media exit)
–
This photo sensor detects paper delivery to booklet media bin.
• Booklet media entrance drive motor assembly
–
This stepping motor drives the booklet media entrance roll assembly.
• Booklet folding/exit drive motor assembly
–
This DC motor drives booklet folding roll, booklet media exit roll assembly, and knife.