Mctl Pcb Replacement; Print Drum Pcb Replacement; Print Image Adjustment Procedure - Riso V8000 Series Technical Manual

CHAPTER 19. OTHER PRECAUTIONS
4.

MCTL PCB Replacement

(1) Start up test mode and input number 973 and press START key. Then input number 1100 and
press START key.
(2) Remove print drum No.1 and No.2 and then turn OFF the machine power.
(3) Remove existing MCTL PCB from the machine, and remove the battery from the removed PCB.
(4) Installed removed battery on the new MCTL PCB, and install the new PCB on the machine.
(5) Start up test mode and activate test mode No. 80, and keep the machine in test mode.
(6) While in the test mode, input number 973 and press START key. Then input number 1101 and
press START key.
(7) Turn OFF the machine power once and turn the power back ON again.
(8) Install the two removed print drums back in the machine.
(9) Confirm that the machine operates normal.
5.

Print Drum PCB Replacement

Caution: In replacing Print Drum PCB, select only the correct print drum (either No.1 or No.2) on the
select key on top portion of the test mode display all through the replacement procedure.
(1) Start up test mode and press drum selection number 1 or 2 to select the print drum on which the
Print Drum PCB is to be replaced. Input number 973 and press START key. Then input 1110 and
press START key.
(2) Remove the print drum from the machine and replace the Print Drum PCB on that print drum.
(3) Return the print drum back on the machine.
(4) Start up test mode again and press drum selection number 1 or 2 to select the print drum on which
the Print Drum PCB was replaced. Input number 973 and press START key. Then input 1112 and
press START key.
(5) Turn OFF the machine power once and turn the power back ON again.
(6) Confirm that the machine operates normal.
6.

Print Image Adjustment Procedure

The adjustment should be made in the order of steps given below. If adjusted in wrong order of steps,
the result will not be good.
The 1st and 2nd paper feeding adjustment must be completed before going into the print image
adjustment.
1) Vertical Image Position Adjustment:
(1) Datum Print Position Adjustment.
(2) Master Leading Clamp Range Adjustment.
(3) Master Tail Clamp Range Adjustment.
(4) Write Start Position Adjustment.
(5) Checking and Adjusting Image Elongation and Shrinkage.
2) Horizontal Image Position Adjustment::
(1) Checking and Adjusting the Horizontal Printing Position.
(Refer to Chapter 9)
(Refer to Chapter 14)
(Refer to Chapter 14)
(Refer to Chapter 14)
[19 - 4]
PRINT POSITION TUNING
(Refer to Chapter 14)
(Refer to Chapter 14)
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