Kyocera KM 2550 User Manual

							Maintenance 
BASIC OPERATION GUIDE5-3
Cleaning the Separation Needles
1Open the Front Cover and 
remove the cleaning brush.
2Pull up the Left Cover handle and 
open the cover.
3Remove any dirt or dust from the 
separation needles by moving the 
brush from left to right along the 
needle, as shown in the 
illustration.
4Close the Left Cover.
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							Maintenance 
5-4BASIC OPERATION GUIDE
Cleaning the Transfer Roller
This task should be carried out at least once a month.
1Open the Front Cover and 
remove the cleaning brush.
2Pull up the Left Cover handle and 
open the cover.
3Whilst turning the left transfer 
roller gear, as shown in the 
illustration, move the brush from 
left to right along the roller to 
remove any dirt or dust.
4Close the Left Cover.
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							Maintenance 
BASIC OPERATION GUIDE5-5
Replacing the Toner Container and Waste Toner Box
If Unable to Copy. Please Add 
Toner displays, replace the Toner 
Container and Waste Toner Box.
Only add toner when this 
message displays.
Also, perform the appropriate cleaning operation whenever the Toner 
Container and Waste Toner Box are replaced.
CAUTION: Do not attempt to incinerate the Toner Container. 
Dangerous sparks may cause burns.
Do not attempt to force open or destroy the Toner Container.
1Open the Front Cover.
2Whilst pushing the Waste Toner 
Box holder to the left, remove the 
Waste Toner Box.
IMPORTANT: Do not invert the 
old waste toner box.
WARNING: High voltage is 
present in the charger section. 
Take sufficient care when working 
in this area, as there is a danger of 
electrical shock.
3Use the cap attached to the center 
of the used Waste Toner Box to 
cover the opening and stop the 
toner spilling out.
10100%
Set toner container.
Auto Please Add Toner
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							Maintenance 
5-6BASIC OPERATION GUIDE
4Turn the Toner Container Release 
Lever (A) to the left and pull out 
the Toner Container.
5Place the used Toner Container 
and the used Waste Toner Box in 
the plastic bags provided for 
disposal.
6Hold the charger cleaner rod and 
gently pull it out as far as it will go, 
then push it back in again.
Repeat this operation two or three 
times.
IMPORTANT: Do not use 
excessive force to pull out the rod 
or attempt to pull it out completely.
NOTE: To ensure best copy quality, it is recommended this cleaning task 
is performed at least once a month.
7Remove the Grid Cleaner from its 
packaging and remove the cap.
A
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							Maintenance 
BASIC OPERATION GUIDE5-7
8Fit the Grid Cleaner to the notch 
and install it into the machine.
9Pull out the Electrical Charge 
Section as far as it will go, then 
push it in again after moving it 
back and forth several times.
10Remove the Grid Cleaner and 
close the cap.
IMPORTANT: After using the Grid 
Cleaner to clean the electrical 
charge section, wait 5 minutes 
before using the machine.
11Tap on the upper part of the new 
Toner Container several times 
and then shake the container 
horizontally approximately 10 
times to distribute the toner 
evenly.
12Install the new Toner Container 
and turn the Toner Container 
Release Lever (A) to the right.A
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							Maintenance 
5-8BASIC OPERATION GUIDE
13Install the new Waste Toner Box.
14Close the Front Cover.
NOTE: After use, always dispose of the Toner Container and Waste 
Toner Box in accordance with local rules and regulations.
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							BASIC OPERATION GUIDE6-1
6 Troubleshooting
This chapter explains the following topics:
• Problem Solving ........................................................... 6-2
• Error Messages and Correction ................................... 6-5
• Paper Jams ................................................................ 6-10
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							Troubleshooting 
6-2BASIC OPERATION GUIDE
Problem Solving
The table below provides general guidelines for problem solving. 
If a problem occurs with your machine, carry out the checkpoints and 
procedures indicated on the following pages. If the problem persists, 
contact your Service Representative or Authorized Service Center.
Problem Checkpoint ProcedureReference 
page
Nothing lights on the 
operation panel when 
the power switch is 
turned on.Is the power plug 
connected to an AC 
outlet?Connect the plug to an AC outlet.page 2-10
No copies come out 
when [Start] is pressed.Is there some indication 
of the trouble on the 
operation panel?Check the appropriate response to that 
indication and perform the 
corresponding procedure.page 6-5
The copies are blank. Were the originals set 
correctly?When setting originals on the Platen, set 
them face-down.page 3-2
When setting originals in the optional 
Document Processor, set them face-up.page 4-3
The copies come out too 
light.Is the copier in Auto 
Exposure Adjustment 
mode?In order to adjust the overall exposure 
level, perform the Auto Exposure 
Adjustment procedure.Chapter 3, 
Advanced 
Operation 
Guide
Is the manual exposure 
mode set?Use the Image Quality key to adjust the 
exposure level properly.page 3-3
To adjust the overall exposure, perform 
the relevant exposure adjustment 
procedure in each image quality mode.Chapter 3, 
Advanced 
Operation 
Guide
Is the toner evenly 
distributed in the toner 
container?Shake the toner container horizontally 
approximately 10 times.page 5-7
Is the copier in EcoPrint 
mode?Select an image quality mode other than 
the EcoPrint mode.Chapter 1, 
Advanced 
Operation 
Guide
Is Add Toner displayed? Replace the Toner Container.page 5-5
Is the copy paper wet? Replace the copy paper with new paper.page 2-2
Is the electrical charge 
section dirty?Open the front cover and use the 
charger cleaner rod to clean the 
electrical charge section.page 5-6
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							Troubleshooting 
BASIC OPERATION GUIDE6-3 The copies come out too 
dark.Is the copier in Auto 
Exposure Adjustment 
mode?In order to adjust the overall exposure 
level, perform the Auto Exposure 
Adjustment procedure.Chapter 3, 
Advanced 
Operation 
Guide
Is the manual exposure 
mode set?Use the Image Quality key to adjust the 
exposure level properly.page 3-3
To adjust the overall exposure, perform 
the relevant exposure adjustment 
procedure in each image quality mode.Chapter 3, 
Advanced 
Operation 
Guide
A moire pattern appears 
on the copies (moire is 
when the dots appear to 
be grouped together in 
patterns).Is the original a printed 
photograph?Set the Image Quality mode to Photo.page 3-3
The copies are not clear. Did you select an image 
quality mode properly 
according to the type of 
the original?Select an appropriate Image Quality 
mode.page 3-3
The copies are dirty. Is the Platen or the 
optional Document 
Processor dirty?Clean the Platen and/or the optional 
Document Processor.page 5-2
The copy image is 
skewed.Were the originals 
loaded correctly?When positioning originals on the 
Platen, align them flush up against its 
upper left corner.page 3-2
When placing originals in the optional 
Document Processor, align the original 
insert guides securely before loading 
the originals.page 4-3
Was the paper set 
correctly?Check the width guide plate position in 
the cassette.page 2-2
Paper  jams  occur  often. Is paper loaded correctly 
in the cassette?Load the paper correctly.page 2-2
If finished copies are curled, turn the 
paper over in the cassette.page 2-2
Is paper curled, folded 
or wrinkled?Replace the paper with new paper.page 2-2
Is there any jammed or 
loose scraps of paper 
remaining inside the 
machine?Carry out the appropriate procedure to 
remove the paper.page 6-10
Does the size of the 
paper in the Multi-
Bypass Tray match the 
registered size?Make sure the size loaded in the Multi-
Bypass Tray matches the registered 
size.page 2-7
Problem Checkpoint ProcedureReference 
page
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							Troubleshooting 
6-4BASIC OPERATION GUIDE Black lines appear on 
copies when copying 
from the optional 
document processor.Is the slit glass dirty? Clean the slit glass.page 5-2
It is also possible to use the black line 
correction function to make any black 
lines on the copies less apparent.Chapter 3, 
Advanced 
Operation 
Guide
Wrinkling occurs on 
copies.Is the separation needle 
dirty?Clean the separation needle.page 5-3
Black or white vertical 
lines appear on copies.Is the electrical charge 
section dirty?Open the front cover and use the 
charger cleaner rod to clean the 
electrical charge section.page 5-7
White spots appear on 
copies.Is the transfer roller 
dirty?Clean the transfer roller with the 
cleaning brush.page 5-4
Copies are blurred.
(25 ppm model only)Is the machine used at 
high humidity?Perform drum refresh.Chapter 3, 
Advanced 
Operation 
Guide
Printing cannot be 
performed.Is the power plug 
connected to an AC 
outlet?Connect the plug to an AC outlet.page 2-10
Is the main power switch 
turned on?Switch on the main power ( | ).page 2-12
Is a proper printer cable 
connected securely?Connect the printer cable securely.page 2-10
Was the printer cable 
connected after the 
machine was turned on?After connecting the printer cable, 
switch on the main power ( | ).page 2-12
Is the machine offline? 
Is the Ready indicator 
off?• Press [Printer] to display the Printer 
Basic screen.
• Press S or T to select [GO] and 
press [Enter].
The Ready indicator displays.—
Correct characters are 
not printed.Is a proper printer cable 
connected?Connect a shielded type printer cable.page 2-10
Printing is not performed 
properly.Is the setting on the 
computer correct?Check the setting of the printer driver or 
the application software.— Problem Checkpoint ProcedureReference 
page
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