Paper-Feed Clutch "On" Timing Adjustment; Paper-Feed Clutch "Off" Timing Adjustment - Riso RN SERIES Technical Manual

CHAPTER 4. FIRST PAPER FEED SECTION

PAPER-FEED CLUTCH "ON" TIMING ADJUSTMENT

3. Paper-Feed Clutch "ON" Timing Adjustment
Check and adjustment procedure
(1) Test print to check that paper is fed smoothly.
(2) If the first stage paper feed timing is not synchronized, adjust using test mode No. 481 (paper-
feed-clutch activation drum angle adjustment). (For the setting procedure, refer to Chapter 16:
Test Modes.)
(3) Repeat from step (1) until correct timing is achieved.
Symptoms
If the first stage paper feed timing is not synchronized, paper jamming or inconsistent print registration
may occur.
4.

Paper-Feed Clutch "OFF" Timing Adjustment

Check and adjustment procedure
(1) Test print to check that printing is performed smoothly.
(2) If the paper is excessively or insufficiently buckled and printing is not performed smoothly, run test
modes No. 482–485 (paper-feed-clutch deactivation drum angle adjustment) according to the
user's paper selection setting. (For the setting procedure, refer to Chapter 16: Test Modes.)
(3) Repeat from step (1) until correct timing is achieved.
Symptoms
If the paper is excessively or insufficiently buckled, paper may not be fed to the second stage and paper
jamming may occur.
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