Kyocera KM-1620 Guida per l'amministratore

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engine

Kyocera KM-1620/ KM-2020 Error Code List

Self-diagnosis

(1)

Self diagnostic codes

Code

Contents

Remarks

Causes

Check procedures/corrective measures

C0100

(A0100*)

Backup memory read/write problem

(main PCB)

•

Read and write data does not match.

Defective backup

RAM or main

PCB.

Replace the main PCB and check for cor-

rect operation.

C0110

(A0110*)

Backup memory data problem (main

PCB)

•

Data in the specified area of the

backup memory does not match the

specified values.

Problem with the

backup memory

data.

Turn safety switch off and back on and run

maintenance item U020 to set the contents

of the backup memory data again.

Defective backup

RAM.

If the C011 is displayed after re-setting the

backup memory contents, replace the

backup RAM or main PCB.

C0150

(A0150*)

Backup memory read/write problem

(engine PCB)

•

Read and write data does not match.

Defective backup

RAM or engine

PCB.

Replace the engine PCB and check for

correct operation.

C016

(A016*)

Backup memory data problem (en-

gine PCB)

•

Data in the specified area of the

backup memory does not match the

specified values.

Problem with the

backup memory

data.

Turn safety switch off and back on and run

maintenance item U020 to set the contents

of the backup memory data again.

Defective backup

RAM.

If the C016 is displayed after re-setting the

backup memory contents, replace the

backup RAM or engine PCB.

C0170

Accounting count problem

•

When the power is turned on, the to-

tal count and the scan count are ab-

normal both on the main PCB and the

engine PCB.

Defective main

PCB or engine

PCB.

Replace the main PCB or engine PCB and

check for correct operation.

C0180

Machine number mismatch

•

When the power is turned on, thema-

chine number does not match be-

tween the main PCB and the engine

PCB.

Correct EEPROM

is not installed.

Install the correct EEPROM. If it does not

solve the problem, contact the Service Ad-

ministrative Division.

Data damage of

EEPROM.

Contact the Service Administrative Divi-

sion.

C0210

(A0210*)

Communication problem between

the main PCB and engine board PCB

•

When the power is turned on, thema-

chine does not detect the low level of

SBSY and the high level of SDIR for

three seconds.

Poor contact in

the connector ter-

minals.

Check the connection of connectors YC6

on the main PCB and YC1 on the engine

PCB, and the continuity across the connec-

tor terminals. Repair or replace if neces-

sary.

Defective main

PCB or engine

PCB.

Replace the main PCB or engine PCB and

check for correct operation.

C0410

(A0410*)

Optional DP communication problem

•

Communication fails five times suc-

cessively.

DP installed incor-

rectly.

Check the installation state of the DP and

adjust it if it is not properly installed.

Defective main

PCB or DP driver

PCB.

Replace the main PCB or DP driver PCB

and check for correct operation.

“A” is displayed on the operation panel.

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Code

Contents

Remarks

Causes

Check procedures/corrective measures

C0420

(A0420*)

Optional first paper feedercommuni-

cation problem

•

Communication fails five times suc-

cessively.

Paper feeder in-

stalled incorrectly.

Check the installation state of the paper

feeder and adjust it if it is not properly in-

stalled.

Defective main

PCB or drawer

main PCB.

Replace the main PCB or drawer main

PCB and check for correct operation.

C0500

(A0500*)

Optional second paper feeder com-

munication problem

•

Communication fails five times suc-

cessively.

Paper feeder in-

stalled incorrectly.

Check the installation state of the paper

feeder and adjust it if it is not properly in-

stalled.

Defective main

PCB or drawer

main PCB.

Replace the main PCB or drawer main

PCB and check for correct operation.

C0510

(A0510*)

Optional third paper feeder commu-

nication problem

•

Communication fails five times suc-

cessively.

Paper feeder in-

stalled incorrectly.

Check the installation state of the paper

feeder and adjust it if it is not properly in-

stalled.

Defective main

PCB or drawer

main PCB.

Replace the main PCB or drawer main

PCB and check for correct operation.

C0610

(A0610*)

Bitmap (DIMM) problem

•

There is a problem with the dataor

address bus of the bitmapDRAM.

Defective main

PCB.

Replace the main PCB and check for cor-

rect operation.

DIMM installed

incorrectly.

Check if the DIMM is inserted into the

socket on the main PCB correctly.

Defective DIMM.

Replace the DIMM and check for correct

operation.

C0620

(A0620*)

Memory input interface problem

•

Reading-in of an image does not

complete within 10 s of the start of

image transmission.

Defective main

PCB.

Replace the main PCB and check for cor-

rect operation.

C0630

(A0630*)

DMA problem

•

DMA transmission of compressed,

decompressed, rotated, relocated or

blanked-out image data does not

complete within the specified period

of time.

Defective main

PCB.

Replace the main PCB and check for cor-

rect operation.

C0800

(A0800*)

Image processing problem

•

JAM05 is detected twice.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

C2000

Drive motor problem

•

LOCK ALM signal remains high for 1

s, 1 s after the drive motor hasturned

on.

Poor contact in

the main motor

connector termi-

nals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective drive

motor rotation

control circuit.

Replace the drive motor.

Defective drive

transmission sys-

tem.

Check if the rollers and gears rotate

smoothly. If not, grease the bushings and

gears. Check for broken gears and replace

if any.

“A” is displayed on the operation panel.

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Code

Contents

Remarks

Causes

Check procedures/corrective measures

C3100

Scanner carriage problem

•

The home position is not correct

when the power is turned on or copy-

ing the document placed on the con-

tact glass.

Poor contact of

the connector ter-

minals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective scanner

home position

switch.

Replace the scanner home position switch.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

Defective scanner

motor.

Replace the scanner motor.

C3200

(A3200*)

Exposure lamp problem

•

In indicator check before starting

copying, the average value in scan-

ning of the shading plate with the

CCD is 128 or more.

Poor contact of

the connector ter-

minals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective expo-

sure lamp or in-

verter board.

Replace the exposure lamp or inverter

board.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

Incorrect shading

position.

Adjust the position of the contact glass

(shading plate). If the problem still occurs,

replace the scanner home position switch.

C3300

(A3300*)

Optical system (AGC) problem

•

After AGC, correct input is not ob-

tained at CCD.

Insufficient expo-

sure lamp lumi-

nosity.

Replace the exposure lamp or inverter

board.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

Incorrect shading

position.

Adjust the position of the contact glass

(shading plate). If the problem still occurs,

replace the scanner home position switch.

C4000

Polygon motor synchronization

problem

•

The polygon motor does not reach

the stable speed within 15 s of the

START signal turning on.

Poor contact in

the polygon motor

connector termi-

nals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective polygon

motor.

Replace the LSU.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

C4010

Polygon motor steady-state problem

•

The polygon motor rotation is not

stable for 5 s after the polygon motor

rotation has been stabilized.

Poor contact in

the polygon motor

connector termi-

nals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective polygon

motor.

Replace the LSU.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

“A” is displayed on the operation panel.

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Code

Contents

Remarks

Causes

Check procedures/corrective measures

C4200

(A4200*)

BD steady-state problem

•

The MIC detects a BD error for 600

ms after the polygon motor rotation

has been stabilized.

Defective laser

diode.

Replace the LSU.

Defective polygon

motor.

Replace the LSU.

Defective main

PCB.

Replace the main PCB and check for cor-

rect operation.

Defective engine

PCB.

Replace the engine PCB and check for

correct operation.

C6000

Broken fixing heater wire

•

In fixing warm-up, the time to reach

50°C/122 °F exceeds 13.5 s, the time

to reach 100°C/212 °F exceeds 10 s,

the time to reach the primary stabili-

zation exceeds 10 s or the time to

reach the secondary stabilization ex-

ceeds 24 s.

Poor contact in

the thermistor

connector termi-

nals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Fixing thermistor

installed incor-

rectly.

Check and reinstall if necessary.

Fixing thermostat

triggered.

Check for continuity. If none, replace the

fixing thermostat.

Fixing heater M or

S installed incor-

rectly.

Check and reinstall if necessary.

Broken fixing

heater M or S

wire.

Check for continuity. If none, replace the

heater lamp.

C6020

Abnormally high fixing unit ther-

mistor temperature

•

The fixing temperatureexceeds

230°C/446 °F for 40 ms.

Shorted ther-

mistor.

Measure the resistance. If it is 0 , replace

the thermistor.

Broken heater

control circuit on

the power supply

PCB.

Replace the power supply PCB and check

for correct operation.

C6050

Abnormally low fixing unit ther-

mistor temperature

•

The fixing temperature remains below

90°C/194°F for 1 s.

Poor contact in

the thermistor

connector termi-

nals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Broken fixing ther-

mistor wire.

Measure the resistance. If it is , replace

the fixing thermistor.

Fixing thermistor

installed incor-

rectly.

Check and reinstall if necessary.

Fixing thermostat

triggered.

Check for continuity. If none, replace the

fixing thermostat.

Fixing heater M or

S installed incor-

rectly.

Check and reinstall if necessary.

Broken fixing

heater M or S

wire.

Check for continuity. If none, replace the

fixing heater M or S.

“A” is displayed on the operation panel.

Code

Contents

Remarks

Causes

Check procedures/corrective measures

C6400

Zero-crossing signal problem

•

The engine PCB does not detect the

zero-crossing signal for the time

specified below.

At power-on: 3 s

Others: 5 s

Poor contact in

the connector ter-

minals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective power

supply PCB.

Check if the zero-crossing signal is output

from CN2-5 on the power supply PCB. If

not, replace the power supply PCB.

Defective engine

PCB.

Replace the engine PCB if C640 is de-

tected while CN2-5 on the power supply

PCB outputs the zero-crossing signal.

C7800

Broken external temperature ther-

mistor

•

The input voltage is 0.5 V or less.

Poor contact in

the humidity sen-

sor connector ter-

minals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective humidity

sensor.

Replace the drawer PCB and check for

correct operation.

C7810

Short-circuited external temperature

thermistor

•

The input voltage is 4.5 V or more.

Poor contact in

the humidity sen-

sor connector ter-

minals.

Reinsert the connector. Also check for con-

tinuity within the connector cable. If none,

remedy or replace the cable.

Defective humidity

sensor.

Replace the drawer PCB and check for

correct operation.

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