Mita-Kyocera FS5900C Troubleshooting

FS-5900C Service Manual

9. Troubleshooting

9.1 Initial Troubleshooting Flowchart

Start

Is a message

displayed?

Is an error code

displayed?

Is print quality

normal?

Does paper feed

normally?

No Message Section (Section 9.6)

Error Message Section (Section 9.2)

Print Quality Section (Section 9.4)

Paper Jam Section (Section 9.3)

End

102

9. Troubleshooting

9.2 Error Messages

The printer indicates error conditions using the ON and blinking states of the ATTENTION indicator. When the ATTENTION indicator is lit in red, it shows call service error status. When it is blinking, it shows user correctable error status.

9.2.1 Error Messag es

Error Message Possible Cause Corrective Action

Add paper

paper source

Battery error MEMORY CARD

Call service person##:#######

Cassette 1 not loaded

Cassette 2 not loaded

Cassette 3 not loaded

Format error <Media>

Front/Right cover Open

HARDDISK error## Press CONTINUE

The paper source is out of paper. Add paper to the paper cassette (Cassette 1),

The memory card’s battery is run out or not installed.

A failure requiring the attention of service personnel has occurred.

The printer’s media cassette is not loaded in the printer, or not closed fully in position.

The paper feeder’s top media cassette is not loaded in the paper feeder, or not closed fully in posision.

The paper feeder’s bottom media cassette is not loaded in the paper feeder, or not closed fully in posision.

The hard disk or memory card is not formatted.

The front or right sid e cover is open.

The printer has encountered an error during access to th e option harddisk.

option paper feeder’s cassettes (Cassette 2 and

3), or multi-purpose tray (MP Tray). Insert a new battery in the memory card. (See

the memory card manufacturer’s instruction.) Note the corresponding error code (## followed by

the colon) and the total printed pages1 (####### preceded by the colon). Turn printer power off and call for service. For details, see section 9.2.2 Call Service person Codes. (The total printed pages is not shown when the error code is F 0 [Communication error].)

Insert the media cassette, or close it securely. (Cassette 1 is shown as Cassette w hen no option paper feeder is installed.)

Insert the top media cassette, or close it securely. (This message is shown only when the printer is installed with an option paper feeder.)

Insert the bottom media cassette, or close it securely. (This message is shown only when the printer is installed with an option paper feeder.)

Format the media. See the appropriate section in the User’s Manual for details.

Check both covers and close them tightly.

Note the error code (##) preceded by the HARDDISK error message. Then, press clear the error situation. Refer to the appropriate section in the User’s Manual for details.

CONTINUE

I/F occupied

Imaging unit not locked

Insert the same MEMORY CARD

KPDL Error ## Press CONTINUE

Left cover Open

The front control panel operation you attempted is not possible because that interface is receiving data.

The imaging unit is not locked properly because its lever is not lifted.

A different memory card was inserted following the

&$5'#HUU2,QVHUW#DJDLQ

sage. The printer encountered an error

during processing data in KPDL mode.

The left side cover is open. Close it tightly.

0(025<#

mes-

Wait until the data transfer is completed on that interface.

Lift the imaging unit lever fully up.

Reinsert the same memory card as was removed previously into the printer’s memory card slot.

Note the error code of ## and press clear the error situation. See the app r opriate section in the User’s Manual for details.

CONTINUE

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FS-5900C Service Manual

Error Message Possible Cause Corrective Action

Load paper <paper size>

MEMORYCARD err## Press CONTINUE

MEMORY CARD err Insert again

Memory overflow Press CONTINUE

Missing FK-81 Fuser KIT

Missing IU-81 Imaging unit

Missing OS-81 Oil supply roll

Missing Toner TD-81C (Cyan)

The paper size does not match. Put the media cassette loaded with the paper of

the correct size as specified by the a pplication software into the printer. To resume printing using the current media cassette, press CONTINUE. (You must press CONTINUE every time one sheet has been printed, be ca use the sam e me ssa ge w il l again be displayed from the second sheet onward.) To abandon printing, press CANCEL.

The printer has encountered an error during access to t he memory card.

The memory card was removed during the memory card operatin.

The print data from the computer is larger than the printer can fit in its memory.

The fuser kit is not installed in the printer.

The imaging unit is n ot i nstalle d i n the printer.

The oil supply rolle r is not installe d in the printer.

The cyan toner developer is not installed in the print e r.

Look at the error code of ## preceded b y MEM ORYCARD err. Then, press CONTINUE to clear the error situation. Refer to the appropriate section in the User’s Manual.

Re-insert the same memory card into the printer’s memory card sl ot. The printer will continue with the memory card operation.

Press CONTINUE to print the data. Install additional memory or use a lower resolution print quality.

Install the fuser kit.

Install the imaging unit .

Install the oil supply rol le r.

Install the cyan toner developer.

Missing Toner TD-81K (Black)

Missing Toner TD-81M (Magenta)

Missing Toner TD-81Y (Yellow)

Missing Charger unit

Missing paper feeder unit

Option feeder Left cover Open

Opt. ROM error Press CONTINUE

Option interface Error ##

Output tray paper full

PJL OPMSG/STMSG The printer encountered an error

The black toner developer is not installed in the print e r.

The magenta toner developer is not installed in the print e r.

The yellow toner developer is not installed in the print e r.

The charger unit is not installed in the printer.

The paper feeder unit is not installed in the print e r.

The paper feeder’s left side cover is open.

The printer has encountered an error while accessing data in the option EPROM (on the printer main board).

The printer has detected an error on the option inte rface.

The output tray has become full. Remove paper from the output tray.

during processing PJL commands.

Install the black toner developer.

Install the magenta toner developer .

Install the yellow toner developer.

Install the charger unit in the imaging unit.

Install the paper feeder unit.

Close it tightly.

Press CONTINUE to print the data processed so far. Replace the option EPROM.

Note the error code of ## and consult your Kyocera dealer.

Press CONTINUE to print the page processed so far.

Paper jam

Location

< Print overrun

Press CONTINUE

Replace FK-81 Fuser KIT

104

Paper has become jammed. Remove jammed paper according to the appropri-

The printer has received print data that is too complex to finish processing in time with the operation of the printer mechanism.

The fuser is worn out. Replace the fuser ki t now.

ate section in the User’s Manual. Press CONTINUE to print the data. Install addi-

tional memory or use a lower resolution print quality.

9. Troubleshooting

Error Message Possible Cause Corrective Action

Replace IU-81 Imaging unit

Replace OS-81 Oil supply roll

Replace Toner TD-81C (Cyan)

Replace Toner TD-81K (Black)

Replace Toner TD-81M (Magenta)

Replace Toner TD-81Y (Yellow)

Reset Transf.Roll Press ENTER

Set paper Press CONTINUE

Toner low TD-81C (Cyan)

The imaging unit is worn out. Replace the imaging unit now.

The oil supply roller is worn out. Replace the oil supply roller now.

The cyan toner developer is empty. Replace the cyan toner developer now.

The black toner developer is empty. Replace the black toner developer now.

The magenta toner developer i s empty.

The yellow toner developer is empty .

The printer is waiting for your input of confirming that you have replaced the trans fer roller and resetting its counter (User’s Manual ☞ P. 105).

The multi-purpose tray is empty. Add a sheet of paper to the multi-purpose tray,

The cyan toner developer is almost empty.

Replace the magenta toner developer now.

Replace the yellow toner developer now.

Press ENTER and the printer resets the transfer unit counter to 0000000.

and press CONTINUE key. (This message appears when the multi-purpose tray is in manual mode.

Replace the cyan toner developer as soon as possible.

Toner low TD-81K (Black)

Toner low TD-81M (Magenta)

Toner low TD-81Y (Yellow)

Warning FK-81 Fuser KIT

Warning IU-81 Imaging unit

Warning TR-81 Transfer roller

Warning battery MEMORY CARD

Warning Low memory

The black toner developer is almost empty .

The magenta toner developer i s almost empty.

The yellow toner developer is almost empty.

The fuser kit is wearing out. Replace the fuser kit as soon as possible.

The imaging unit is wearing out. Replace the imaging unit as soon as possible.

The transfer roller is wearing out. Replace the transfer roller as soon as possible.

The memory card’s battery is running out.

The printer’s internal memory is insufficient to complete the printing.

9.2.2 Call Service person Codes

LCD

Display

Printer Status Possible Cause Recovery

Replace the black toner developer as soon as possible.

Replace the magenta toner developer as soon as possible.

Replace the yellow toner developer as soon as possible.

Change the memory card battery as soon as possible. (See the memory card manufacturere’s instruction.)

Press CONTINUE key to print the page processed so far. Remove any unnecessary fonts or macros in the printer or install additional memory.

A2 Fuser temperature is over 210 °C. High temperature error See section 9.5.10 A2 Fuser temperature does not reach 100 °C within

200sec, 165 °C within 500 sec. During warming up, or it is less t han 120 °C du ring stan dby, and it does not return to set temperature within 100sec after a low temperature error occurred during printing.

Temperature rising error See section 9.5.10

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FS-5900C Service Manual

LCD

Display

A5 1. Main charger Arc discharge of co ntact has

occurred.

2. DEV, FTR, STR bias short circuit of contact voltage has occurred.

A6 Fuser/Toner Developer fan is not rotating at nor-

mal speed.

A7 Power supply fan is not rotating at normal speed. Power supply fan error See section 9.5.12 A8 Ozone fan is not rotating at normal speed. Ozone fan error See section 9. 5.13 A9 Multi-Purpose Pickup Roller movement error

occurred

AA T oner Developer Drive motor (sleeve motor) is not

phase-locked and is not rotating at normal speed.

AB Paper feed motor is not phase-locked and is not

rotating at normal speed.

AC OPC home and IT home are not synchronous. OPC asynchronous with inter-

AD OPC home is not detected within 4.5 sec. during

rotation of main motor.

AE IT home is not detected within 0.32 sec. during

rotation of main motor.

AF The cleaning blade did not reached to non-clean-

ing position or cleaning position within 0.7 sec.

B7 The media transfer roller did not reach to trans-

fer position or home position within 0.9 sec.

B8 The dev. unit did not reach contact position or

home position within 1 sec.

B9 The dev. unit did not reach contact position or

home position within 1 sec.

BA The dev. unit did not reach contact position or

home position within 1 sec.

BB The dev. unit did not reach contact position or

home position within 1 sec.

BC Engine SRAM check error Engine SRAM check error See section 9.5.19

Printer Status Possible Cause Recovery

Charger error See section 9.5.4

Fuser/T oner Developer fan error See section 9.5.2

Multi-Purpose Pickup Roller movement error

Toner Developer Drive motor (sleeve motor) unlocked

Paper feed motor unlocked See section 9.5.15

mediate transfer unit Position error of the OPC unit See section 9.5.6

Position error of the intermediate transfer unit

Cleaning blade movement erro r See section 9.5.8

Media transfer roller movement error

Cyan developing unit movement error

Magenta developing unit movement error

Yellow developing unit movement error

Black developing unit movement error

See section 9.5.17

See section 9.5.14

See section 9 .5 .5

See section 9 .5 .7

See section 9 .5 .9

See section 9 .5 .1

BD Engine EEPROM check error. Printing is contin-

ued.

BE EEPROM (Imaging unit) check error EEPROM (Imaging unit) Error See section 9.5.22 BF EEPROM (Fuser unit) check error EEPROM (Fuser unit) Error See section 9.5.23 DE Imaging unit type mismatch Imaging Unit being used is not

DF Fuser unit type mismatch Fuser Unit being used is not

E0 Parity error occurs or no response comes back

from engine.

E1 Main motor is not phase-locked and is not rotat-

ing at normal speed.

Engine EEPROM check error See section 9.5.20

Replace Im aging intended for use with the printer.

intended for use with the printer.

Engine communication Error See section 9.5.21

Main motor unlocked See section 9.5.16

Unit with the one

recommende by

Kyocera for the

printer.

Replace Fuser

Unit with the one

recommended by

Kyocera for the

printer.

106

9. Troubleshooting

LCD

Display

E2,E3 Laser scanner motor is not phase-locked and is

not rotating at normal speed. L-sync signal is not detected after APC (Auto

Power Control). Irregular L-sync signal is detected. L-Sync short See section 9.5.3

E4 Fuser thermistor is disconnected. Thermistor open error See section 9.5.11 E6 Engine progra m RO M checksum error Engine Program RO M check-

F0 Controller board system lock error System does not lock because of

F1 Controller checksum error Checksum failed on Controller

F2 RAM Read/write error Checksum has failed on Con-

F3 System error General controller failure. See section 9.5.27 F7 Option font ROM checksum error Checksum has failed on option

Memory Overflow

Memory overflow has occurred. Print data is larger than the

Printer Status Possible Cause Recovery

Laser scanner motor unlocked See section 9.5.3

L-Sync over See section 9.5.3

sum error

failure on communication with the printer panel.

ROM.

troller RAM.

font ROM.

capacity of the memory installed.

See section 9.5.18

See section 9.5.24

Replace Main Controller Board.

See section 9.5.26

Replace the option font ROM.

See section 9.5.25

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FS-5900C Service Manual

9.3 Jam

9.3.1 Print Media Problem

Printer Media Problem

Is the print media

being used within

specification?

Is print media in good condition?

Is the correct tray

being used?

Check again.

Inspect the print media for bent, torn or folded corners etc.

Use print media that is within specification.

Use undamaged print media.

Use the correct tray.

9.3.3 Printer cannot distin guish between paper and t ransparen cy.

Printer cannot distinguish between paper and transparency.

Is the appropriate

media tray being

used?

Replace the sensor board.

Is printer work

OK?

If necessary, reinstall the original board.

Use the appropriate media tray.

End

9.3.2 Print Media skews.

Printer Media skews.

Does the pickup

roller pickup the

media evenly?

Are the MPT paper

guides snugly

adjusted against the

media?

Are the corners of

the media under the

tray tabs?

Check and clean the pickup roller.

Adjust or replace the paper guides.

Set the media under the tabs.

Is the cable

connected to the

sensor board

normal?

Replace the engine control board.

Replace the cable (CN11).

108

Is the paper guide on

the left door normal?

Check for obstacle blocking the paper path.

Remove burs or foreign obstructions.

9. Troubleshooting

Clean the pickup rollers.

Paper jams midway in the paper feeder. (Front panel displays Paper Jam/B.)

Are the pickup

rollers clean?

* Is the paper guide

on the left door

normal?

* Check for burrs or foreign obstructions.

Clean the paper feed rollers.

Are the paper feed

rollers clean?

Replace the clutch assembly.

Does the pickup

roller clutch work

properly?

Check again.

Remove burrs or foreign obstructions.

9.3.4 Paper jams at the media cassette.

Paper jams at the media tray. (Front panel displays Paper Jam/A.)

Are the pickup

rollers clean?

Is the paper feed

motor normal?

Are the gears

normal?

Clean the pickup rollers.

Replace the paper feed motor.

Replace the gear.

9.3.5 Paper jams mi dway in the p aper feeder .

* Is the pickup roller

correctly installed?

Does the pickup

roller solenoid

work properly?

Are the cables and

connectors between

paper feed unit board

and engine control board

normal?

Are the other

areas of the paper

feeder normal?

Check again.

Flat side of the cam-shaped pickup rollers face down prior to pick a sheet of paper.

Install the pickup roller properly.

Check or replace the solenoid and paper feed unit board.

Replace the defective parts.

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FS-5900C Service Manual

9.3.6 Paper jams at the second bias transfer roller.

Paper jams at the second bias transfer roller. (Front panel displays Paper Jam/B.)

Is the transfer roller correctly

installed?

Does the

registration sensor arm

properly interrupt the

sensor?

Are the registration

rollers clean?

Does the

registration clutch

work properly?

Are the registration

springs installed

properly?

Install the transfer roller correctly.

Correct movement of the sensor arm.

Clean the registration rollers.

Replace the registration clutch.

Install the springs properly.

9.3.7 Fuser Jams

Fuser Jams. (Front panel displays Paper Jam/C.)

Are the Fuser

gears normal?

Can the fuser

knob be turned

normally?

Does the fuser exit

sensor arm operate

properly?

Are the cables and

connectors for fuser

exitboard, exit sensor board

and engine control board

normal?

Does the paper

ejection roller

rotate?

Replace the engine control board.

Replace the fuser unit.

Replace the fuser.

Correct movement of the sensor arm.

Replace the cable and connector.

Check the toner cartridge selector/ paper-eject unit.

Check again.

Does the trouble

still occur?

Fuser cleaning pad

clean?

Replace the fuser unit.

Clean fuser cleaning pad

End

110

9. Troubleshooting

Is the multi-purpose feed motor fixed to metal plate

properly?

Correct movement of the arm.

Multi-purpose Tray Jams. (Front panel displays Paper Jam/A.)

Does the

multi-purpose tray

sensor arm actuate its

sensor properly?

Replace the cable.

Is the

cable from the paper

feeder to the engine control

board (CN604)

normal?

Does the multipurpose pickup

roller shaft rotate?

*2 Replace the paper feed unit board or engine control board.

Is the retard pad

able to move up

and down?

Repair the retard pad.

Replace the multi-purpose feed motor.

Does the multipurpose pickup

roller shaft rotate?

End

Correct the multi-purpose feed motor.

9.3.8 Eject Jams 9.3.9 Multi-purpose Tray Jams

Eject Jams. (Front panel displays Paper Jam/D or Paper Jam/E.)

Are all the ejection

rollers clean?

*1 Are the switch

back levers

normal?

Does the

paper ejection sensor

arm actuate its sensor

Are the cable and connector

properly?

to the engine control

board (CN611) normal?

*2 Replace the engine control board.

Clean the ejection rollers.

Correct movement of the levers.

Correct movement of the sensor arm.

Replace the cable.

Does the trouble still

occur?

Check the toner cartridge selector/ paper eject unit.

Ensure that the levers are not bent and do not

interfere with paper movement. When replacing the engine control board,

remove EEP ROM (IC6) from the original engine control board and install it on the new engine control board.

End

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FS-5900C Service Manual

9.4 Print Quality

9.4.1 Blank Print 9.4.2 A ll-black Print

Blank Print

Is the laser unit

normal?

Is the toner

cartridge selector pushing

the toner cartridge into

contact with the

belt?

Is the toner

cartridge drive unit

normal?

Is the imaging unit

normal?

Replace the engine

When replacing the Engine Control Board, remove EEPROM (IC6) from the original Engine Control Board and install it on the new Engine Control Board.

When replacing the Printer Main Control Board, remove IC9 from the original Printer Main Control Board and install it on the new Printer Main Control Board.

control board.

Replace the laser unit.

Check the toner cartridge selector.

Repair the toner cartridge drive unit.

Replace the imaging unit.

Paper Travel

All-black Print

Is the imaging unit

installed properly?

Is the scorotron

charger normal?

Is the imaging unit

normal?

Is the high voltage

board normal?

Is the laser unit

normal?

Is the engine

control board

normal?

Is the printer

control board

normal?

Install the imaging unit properly.

Replace the scorotron charger.

Replace the imaging unit.

Replace the high voltage board.

Replace the laser unit.

Replace the engine control board.

Replace the printer control board.

Paper Travel

112

Check again.

9.4.3 Missing Primary Colour 9.4.4 Light Print

Check again.

Paper Travel

Correct connection to the second bias transfer roller.

Is the high

voltage connector to the

second bias transfer

roller normal?

Light Print

Clean the path.

Is the path laser

beam travels

clean?

Check the toner cartridge selector.

Is the

toner cartridge

selector pushing the

toner cartridges into full

contact with

the belt?

Replace the imaging unit.

Is the imaging

unit normal?

Replace the second bias transfer roller.

Is the second

bias transfer

roller normal?

Replace the fuser.

Is the fuser

normal?

Missing Primary Colour

9. Troubleshooting

Is the toner

cartridge of the

missing color

normal?

Is the cable

from the cartridge

selector to the engine

control board (CN21)

normal?

Is the toner

cartridge selector pushing

the toner cartridge into

contact with the

belt? Y

Is the toner

cartridge drive

unit normal?

*Is the engine

control board

normal?

Replace the toner cartridge.

Replace the cable.

Check the toner cartridge selector.

Repair the toner cartridge drive unit.

Replace the engine control board.

Check again.

When replacing the Engine Control Board, remove EEPROM (IC6) from the original Engine Control Board and install it on the new Engine Control Board.

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