1-62 Service Manual
4023-001
Paper Path
The path of the paper ejected from the printer varies with the paper
output selection. Various sensors and switches check whether the
paper travels properly in the designated path. The following
illustration shows the relationship between the paper path and
sensors/switches.
In single-side printing, as the entrance of the horizontal transport
unit moves up, the paper travels into the horizontal transport unit
and then into the storage unit, where the storage unit sorts the paper
into the designated bin. If the paper has not passed the PC1 or
PWB-C within a certain time after the printer paper exit sensor turns
ON, the paper has jammed inside the horizontal transport unit or at
the entrance/exit of the storage unit. This results in a jam error.
Paper ejects from the horizontal transport unit. The storage unit
entrance roller then forwards the paper. The subsequent paper path
varies with the paper output selection. The paper passes to the
paper exit sensor (PWB-C), exit roller and arrives in the designated
bin. If the paper has not reached/passed the paper exit sensor
(PWB-C) within a certain time after the horizontal unit paper sensor
(PC1) turns ON, the paper has jammed at the entrance/exit of the
storage unit, causing a jam error.
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