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CHAPTER 4 PUNCHER UNIT (OPTION) BASIC OPERATION
2) After the horizontal registration sensors (LED1 to 4, PTR1 to 4) detect the edge of the paper at
its inner side in keeping with the paper size signals arriving from the host machine, the hori-
zontal registration motor (M2P) drives the punch slide unit to a predetermined position further
towards the front, and stops the unit at this position.
3) When the trailing edge sensor (LED5, PTR5) detects the trailing edge of the paper, drive of the
inlet feed motor (M9) and first feed motor (M1) on the finisher is stopped to stop paper feed.
Next, the punch motor (M1P) is driven to punch holes in the paper.
4-12
Horizontal registration sensor 1(LED1,PTR1)
: detects the edge of A3, A4, LT, and LD
Horizontal registration sensor 2 (LED2,PTR2)
detects the edge of B4, B5, LT-R, and LG papers
Horizontal registration sensor 3 (LED3,PTR3)
: detects the edge of A4-R paper
Horizontal registration sensor 4 (LED4,PTR4)
: detects the edge of B5-R paper
Figure 4-209
Punch
Figure 4-210
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Troubleshooting
