Paper Feed Check List; B1.3 Paper Jam Detection - Oki OKIOFFICE44 Service Manual

B1.3 Paper Jam Detection

The unit monitors the paper status when the power supply is on and during printing. In the following cases,
the unit 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

Paper Feed Check List

Type of Error
Paper feed error
Paper feed jam1
Paper size error
Paper outlet jam
Paper feed jam 2
Print Operation Description
• 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
B - 12
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
Service Manual, P/N 59276801
Error
Plus Minus
35 —
—
20.0
— —
45.0 45.0
20.0 20.0
Unit: mm
OKIOFFICE 44