Table of Contents
Advertisement
↓
* D Step 28:
The original is stopped by the original
stopper.
Transport motor (DTM) OFF
Electromagnetic brake (DTBC) ON
(Transport belt, reverse roller, paper exit roller
stop)
↓
Step 29:
Electromagnetic brake (DTBC) OFF (if there
is no original when discharging.)
↓
Step 30:
The copier mirror base starts scanning.
↓
* E
HIGH (No original on the tray) → After
DSD
completion of mirror base scanning, go to Step
65.
LOW (Some original on the tray)
↓
↓
(Preliminary paper feed)
↓
Step 31:
Paper feed motor (DFM) reverse rotation
(Paper
separation roller rotation)
↓
The original is fed.
Step 32:
The original feed sensor detects the lead
edge of the original.
(DFD output: HIGH)
↓
Step 33:
The original is stopped by the resist roller.
Paper feed motor (DFM) OFF
↓
Step 34:
Paper feed motor (DFM) forward rotation
(Resist roller rotation)
The original lead edge is taken up by the
resist roller.
↓
Step 35:
The original width sensor (DWS) senses the
original width.
↓
Step 36:
Paper feed motor (DFM) OFF
(OFF with the original lead edge taken up
with the resist roller.)
↓
Step 37:
The copier mirror base scanning stop
↓
(Paper exit)
↓
Step 38:
Transport motor (DTM) forward rotation
(Transport belt, reverse roller, paper exit roller
rotation)
The original discharging is started.
↓
Step 39:
Paper feed motor (DFM) forward rotation
(Resist roller rotation)
The original is fed to the transport section.
↓
Step 40:
Timing sensor (DTD) senses the rear edge of
the original.
(DFD output: HIGH)
↓
Step 41:
The Reverse sensor (RDD) senses the
reversed original lead edge.
(ROD output: HIGH)
↓
* C Step 42:
The transport motor (DTM) rpm falls.
* C: The rpm falls only in the thin paper
mode, and does not fall in switchback.
feed
roller,
semi-circular
roller,
↓
Step 43:
Transport motor (DTM) OFF
(Transport belt, reverse roller, paper exit roller
stop)
Brake clutch (DTBC) ON (only in the thin
paper mode)
The original is stopped.
↓
Step 44:
Paper feed motor (DFM) OFF (Resist roller
stop)
↓
* B
Step 45:
Shutter solenoid (SSOL) OFF
(The stopper rises.)
(Paper feed solenoid (DFSOL) OFF
(The weight plate rises.)
* B
↓
* D Step 46:
Transport motor (DTM) reverse rotation
(Transport belt, reverse roller, paper exit roller
rotation)
The switchback operation is started.
* D: The switchback operation is not made
↓
* D Step 47:
The original is stopped by the original
stopper.
Transport motor (DTM) OFF
Brake clutch (DTBC) ON
(Transport belt, reverse roller, paper exit roller
stop)
↓
Step 48:
The copier mirror base scanning is start.
↓
* E
HIGH (No original on the tray) → Go to step 71
DSD
(Following the paper exit process.)
output
↓
LOW: (Some paper on the tray)
(Preliminary paper feed, following the paper exit process)
↓
Step 49:
Paper feed motor (DFM) reverse rotation
(Paper
separation roller rotation)
(The original feed is started.)
↓
* F
Step 50:
Transport clutch (DTC) OFF
* F
↓
* F
Step 51:
Transport motor (DTM) forward rotation
Remaining originals are discharged.
↓
Step 52:
The original feed sensor (DFD) detects the
lead edge of the original.
(DFD output: HIGH)
↓
Step 53:
The original is stopped by the resist roller.
Paper feed motor (DFM) OFF
↓
Step 54:
Paper feed motor (DFM) forward rotation
(Resist roller rotation)
The lead edge of the original is taken up by
↓
the resist roller.
Step 55:
The original width sensor (DWS) detects the
original width.
↓
Step 56:
Paper feed motor (DFM) OFF
(The original is stopped with the lead edge
taken up by the resist roller.
– 8 –
When there is no original on the
original tray, the stopper and the
weight plate are lifted.
in the thin paper mode.
feed
roller,
semi-circular
When some originals are remaining in
the paper exit section on completion of
setting the originals, the remaining
originals are discharged.
roller,
Advertisement
Table of Contents
