Service manual

Troubleshooting
Samsung Electronics 4-35
Error Status Check Solution
Jam 2 at
face-down
tray
1. Then paper is not drawn in because of the
stack of papers in the Out tray.
2. Does it curl while coming out?
1. Load recommended quantity of papers
2. Open the Cover Front and check whether roller or
spring, which are related to paper out, is not out of posi-
tion. If so, re-locate or replace.
Clutch error
1. Check the spring of solenoid
2. Check the armature assembly/cushion
3. Electrical check
1. Check whether the spring is expanded or not.
2. Check armature is well installed. It may be unstable
assemble.
3. Remove the Main PBA.
High volt-
age error
1. Check the terminal output voltage
2. Check HVPS
1. Remove the Toner cartridge and open the cover and
press cover open switch lever and measure the voltage
with high voltage probe and sending printing data. If the
voltage is normal, change the toner cartridge.
2. Disassemble the left side cover, and check HV of the sol-
der side of HVPS and change it.
Feeding
obstacles
Does the Plate-knockup prevent the paper
loading?
MPF :
Turn the power off and on. Open and close the Side cover
to return to the original state.
Cassette :
Adjust Guide to fit the paper width.
Skew Is the Guide adjust set to the paper
width?
Fit the paper width using the Guide adjust.
Stacking
1. Took out the Stacker extender to support long
papers?
2. Stacked too many papers more than Stacker
can hold?
1. Use extender as per the paper length.
2. The Face-up stacker normally can hold 100 pages when
using 75g/m2, however, stacking capacity can be lowered
depending on the type of papers.
Engine
Error
Check CBF Harness_CN7.
(Main PBA to LSU)
Refer to troubleshooring “ENGINE ERROR”.
Document
Jam
Document is not picked up(in ADF). 1. Check document is well stocked in ADF.
2. Check whether document was been fastened together
by staple or clip.
3. Load recommended quantity of papers.
Document is stopped after it has fed into the
ADF.
1. Check whether the Reg. sensor is working or not.
2. Check whether the Feed Roller is working or not.
Does it curl while coming out? 1. Check the Open Cover whether there are bosses.
2. Check the ADF ass'y is well assemble.