HP LASERJET ENTERPRISE M855 - Page 222

Figure 1-136 B4/LGL paper path (3 sheets)
No.1 paper sensor
PI18
No.2 paper sensor
PI19
No.3 paper sensor
PI20
Passage of paper
Passage of paper
Non-passage of paper
Entry of First sheet
Entry of Second sheet
Entry of Third sheet
Top edge
SL1
SL2
ON
OFF
PI18
PI19
PI20
PI18
PI19
PI20
180 Chapter 1 Theory of operation ENWW