Dell 2355DN Service Manual page 95

4.3.2.4 Malfunction
Error Status
Cover open 1. When close Side cover, check the
lever is pressed
2. Micro switch's contact
3. CPU and related circuit
Jam 0 Check where Jam 0 happens
1. Paper is not picked up
2. Paper is located in feed sensor
3. Happened when inserting specific
papers such as envelope into the
MPF (Multipurpose Paper Feeder)?
4. Happened when inserting specific
papers such as envelope into the
Manual Feeder?
5. Is the Stacker Extender is folded
out?
6. Does not the Guide Adjust distort the
papers
Jam 1 Paper is stopped in just after of fuser
unit.
Jam 2 Check where Jam 2 happens
1. Paper is curled and cannot exit.
2. Paper is curled in the exit cover?
Jam 2 at face- 1. Then paper is not drawn in because
down of the stack of papers in the Out tray.
tray 2. Does it curl while coming out?
Service Manual
Alignment and Troubleshooting
Check
1. Open Side cover and press the lever with pen.
1. Check whether solenoid is working or not by using
2. Check feed sensor malfunction.
3. Re-try inserting a fewer papers.
4. Take out the loaded papers and insert them
5. When using long papers, use the Stacker
6. Adjust Guide to fit the paper width
1. It is mostly resulted from double feeding.
2. Check feed actuator position and actuator's
3. Check exit lever operation. Remore jam and
1. Remove paper using pinset or some tool and
2. Check locking works wells. Watch whether the
1. Load recommended quantity of papers
2. Open the Cover Front and check whether roller or
4-55
Solution
If Controller detects cover close, there is some
mechanical trouble in Side cover and lever's
assembly. If not so there is electrical problem.
Engine test mode
• fan the papers and align
• take out the loaded papers and insert them
reverse direction
reverse direction
• inserted papers as recommended for Manual
Feeding?
• When loading, tap the papers until paper detect
sensor senses loading
Extender
Check paper is well stocked in feeder.
operating. There may be stiff movind or double
reflection. If not so, check the operation of feed
sensor by Engine test mode.
check actuator moving by hand. If actuator is
too stiff, paper is wrapped around the heat roller.
Remove obstacles or replace.
watch if separate claws have any troble.
Clean around fuser.
ribs of exit cover hace any burr or resisitive edge.
If they do, remove obstacles or replace.
spring, which are related to paper out, is not out
of position. If so, re-locate or replace.