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HP LASERJET ENTERPRISE M855 - Page 212

HP LASERJET ENTERPRISE M855
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the sensors detect a sheet of paper, the stacker unit determines that the jam is not cleared and re-
sends the jam processing signal to the product.
Figure 1-125 Components of the stacker unit control system (1 of 2)
M109
Second bin shift motor drive signal
First bin shift motor drive signal
1st eject roller separation solenoid drive signal
DELIV-ROL-SL
Saddle inlet switching solenoid drive signal
SDL-INLET-SL
Inlet roller separation solenoid drive signal
INLET-ROL-SL
Buffer roller separation solenoid drive signal
BUFF-ROL-SL
Buffer rear end holding solenoid drive signal
BUFF-P-SL
Saddle driver
PCB
Stacker controller PCB (1/2)
Stacker controller PCA (2/2)
M102 M113
M105
M63
M107
M108
SL104
SL101
SL102
SL103
SL105
M103
M104
M41
Stack ejection motor drive signal
Stack trailing-edge
motor drive signal
Inlet motor drive signal
Saddle inlet
motor drive signal
Stapler drive motor drive signal
Stapler motor drive signal
Aligning plate front/rear
motor drive signal
Saddle stitcher
controller PCA
170 Chapter 1 Theory of operation ENWW

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