Ricoh D391, Service Manual

Page: 331 / 490

Adjustment 8: Main Grip Position Adjustment
Do this adjustment when you see that the signature is not being passed properly from the grip unit to the
trimming unit below (this adjustment changes the location where the main grip unit grips the signature to
pass it to the trimming unit).
1. Set the SW1 bank as shown below.
SW1
1 2 3 4
Up * * *
2. Set the SW2 bank as shown below.
SW2
1 2 3 4 5 6 7 8
* Up * Up * Up * *
3. Push [PSW1] then look at LED1, LED2, LED3 to read the current setting.
• To make the grip unit grip the signature a lower position, adjust in the minus (-) direction.
• There is no adjustment in the plus (+) direction.
4. Push [PSW3] to subtract 0.1 mm from the current value.
5. LED1, LED2, LED3 light for 300 ms.
6. Look at LED1, LED2, LED3 to read the new adjusted value.
7. Repeat the steps above if you want to change the value again.
8. Push [PSW1] to write the new value into the EEPROM and shift to adjustment mode standby.
LED1 flashes at 1 sec. intervals, LED2, LED3 go OFF.
Adjustment Range
Adjustment Range Steps Default
-5.0 mm to 0 mm 0.1 mm 0 mm
9. Read the current setting from the LED display. (See "How to Read the LEDs".)
Adjustment 9: Trimming Position Adjustment
Do this adjustment to correct the mechanical alignment of the signature and cutting blade if you see that
cuts on the trimmed edges of the books are not aligned correctly.
Service Mode
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