Jam Detection 
SM  6-36  D245/D246/D247 
6.3  JAM DETECTION 
6.3.1  JAM DESCRIPTION AND POSITION CODE 
 
  Position code: Shows the location of a jam. Appears on the operation panel. 
These are lists of codes for the main machine and peripheral devices. Please note: 
  Late jam. The paper has failed to arrive within the prescribed time due to a jam that has 
occurred upstream of the referenced sensor. 
  Lag jam. The paper has failed to leave the location of the referenced sensor within the 
prescribed time due to a jam downstream of the referenced sensor. 
Main Machine 
 
No.  Jam Description  Position Code 
1  Initial jam  *1 
2  Tray 1 no feed  A   
3  Optional PFU 1 no feed  Y1 
4  Optional PFU 2 no feed  Y2 
5  By-pass paper tray no feed  A 
6  Duplex no feed  Z 
7  Optional PFU 1 paper feed sensor: Late jam  Y1 
8  Registration sensor: Late jam  A 
10  Exit sensor: Late jam  C 
11  Optional PFU 1 paper feed sensor: Lag jam  Y1 
12  Optional PFU 2 paper feed sensor: Lag jam  Y2 
13  Registration sensor: Lag jam  B 
14  Exit sensor: Lag jam  C 
15  Exit sensor (duplex reverse): Lag jam  Z