Ricoh Gestetner 5428C, Service Manual

Page: 135 / 152

31 October 2001 JAM DETECTION
6-45
Detailed
Descriptions
6.10.2 DF JAM (P JAM LOCATION INDICATOR)
Feeding in the original
Jam check timing: When an original is placed in the DF.
Check 1: If the DF motor has operated for 5.0 seconds since the start key was
pressed, and the DF registration sensor still doesn’t detect the original,
the P jam indicator lights.
Feeding out the original
Jam check timing: During original feed-out.
Check 2: When the DF has fed the original length plus 80 mm, the DF registration
sensor still detects the original, the P jam indicator lights.
Turning on the main switch/closing the DF cover
Jam check timing: Just after turning the main switch on, and when the DF cover
is closed.
Check: If the DF registration sensor detects an original, the P jam indicator lights.
DF registration sensor
DF feed clutch
DF motor
Start to scan
Check 1
5.0 s
Original length
+ 80 mm
Check 2
C238D534.WMF