Samsung MultiXpress K4 Series Service Manual page 353

A3 mono copier

Table of Contents

► Error Code

H2–6421 / H2–6422 / H2–6423 / H2–6424

► Error message

Finisher Failure: #H2-64xx. Check finisher. Call for service if the problem persists

Punch unit failed to leave home position during initializing. (H2-6421)

Punch unit failed to reach home position during initializing. (H2-6422)

Punch unit failed to leave home position during printing. (H2-6423)

Punch unit failed to reach home position during printing. (H2-6424)

► Troubleshooting method

1) If there is jammed paper on the paper path, removing paper manually. Open and close finisher stapler door or jam

cover to check if finisher executes initialization process. If punch still doesn't go back to home position and

error does not disappear, follow the instructions below :

2) Does punch interrupt sensor work well?

a) Make sure finisher input sensor cable is connected well to the sensor connector.

b) Make sure finisher input sensor cable is connected well to the main board connector.

c) Check the punch interrupt sensor position.

d) Check the punch motor's encoder position.

e) If the punch does not move, change the punch module.

3) Check if any debris existed. Please make sure to remove any debris.

4. Troubleshooting

Troubleshooting