Paper Jam Detection - Oki OKIFAX4550 Maintenance Manual

3.

Paper Jam Detection

The OKIFAX4550/OKIFAX4550 ISDN monitors the paper status when the power supply is
on and during printing. In the following cases, the OKIFAX4550/OKIFAX4550 ISDN
interrupts the printing process as a paper jam. Printing can be recovered by opening the
cover, removing the jammed paper, and closing the cover.
Error
Paper inlet jam
Paper feed jam
Paper outlet jam
Paper size error
Type of Error
Paper feed error
Paper feed jam1
Paper size error
Paper outlet jam
Paper feed jam 2
41309401TH Rev.4
Only the manual feed sensor detects "Paper exists" when the power
supply is on.
The leading part of the paper does not reach the paper sensor although
hopping operation was performed three time.
The leading part of the paper does not reach the outlet sensor within a
fixed time after it has passed the paper sensor.
The trailing part of the paper does not pass the outlet sensor within L mm
after the leading part of the paper has passed the outlet sensor.
< <
2.52" (64 mm) L 15.77" (400.6 mm)
= =
The trailing part of the paper does not pass the paper sensor within L mm
after the leading part of the paper has passed the paper sensor.
< <
2.52" (64 mm) L 15.77" (400.6 mm)
= =
Supervisory Sensor
Electromagnetic clutch ON/
Paper sensor ON
Paper sensor ON/
Outlet sensor ON
Paper sensor ON/
Paper sensor OFF
Outlet sensor ON/
Outlet sensor OFF
Paper end sensor OFF/
Outlet sensor OFF
Cause of Error
Reference Value
69.8
122.9
< = < =
2.52" (64 mm) L
15.77" (400.56 mm)
< <
2.52" (64 mm) L
= =
15.77" (400.56 mm)
121.9
Error
Pluse Minus
35
20.0
45.0 45.0
20.0 20.0
Unit: mm
378 /