5-10
Samsung Electronics
Troubleshooting
Error code 1-062
Fault
Description
The printed image is dark.
Dark image (3)
Model ML-xxxx
Check
Engine board
Cause
1. Voltage higher than normal. (normal supply voltage : 570-630V, normal bias voltage : 350-485V).
Solution
1-1. Check the following parts :
U201(KA324), Q204(D526-Y), T204, U203 (SN7407N)
resistors, diodes in the output and feedback area.
1-2. Refer to the following information.
U203(7407N)’s pin #9; pulse input, pin #8; pulse output.
1-3. Check developer contacts for contamination by toner particles.
Remark
Others
Summary of Contents for ML-6050
Page 2: ... Samsung Electronics Co Ltd Mar 1999 Printed in Korea P N JC68 00072A Rev 1 00 ELECTRONICS ...
Page 12: ...Reference Information 3 8 Samsung Electronics Memo ...
Page 32: ...Disassembly and Reassembly 4 18 Samsung Electronics Memo ...
Page 138: ...Schematic Diagrams 8 17 Samsung Electronics 8 4 Flash SIMM ...