DM-2000 (serv.man7). DM2000 Service Manual-Trouble Code List User Setup — Sharp Copying Equipment Service Manual (repair manual)

Model
DM-2000 (serv.man7)
Pages
15
Size
272.12 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / DM2000 Service Manual-Trouble Code List User Setup
File
dm-2000-sm7.pdf
Date

View Sharp DM-2000 (serv.man7) Service Manual online

CODE: 00ZDM2000/A1E
NETWORK LASER
SYSTEM
MODEL
DM-2000
[ 1 ] GENERAL  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1  -  1
[ 2 ] SPECIFICATIONS  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  2  -  1
[ 3 ] CONSUMABLE  PARTS  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3  -  1
[ 4 ] EXTERNAL  VIEWS  AND  INTERNAL  STRUCTURES  .  .  .  4  -  1
[ 5 ] UNPACKING  AND  INSTALLATION  .  .  .  .  .  .  .  .  .  .  .  .  .  5  -  1
[ 6 ] ADJUSTMENTS .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  6  -  1
[ 7 ] SIMULATIONS  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  7  -  1
[ 8 ] FLASH  ROM  VERSION  UP  PROCEDURE  .  .  .  .  .  .  .  .  .  8  -  1
[ 9 ] TROUBLE  CODE  LIST  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  9  -  1
[10] USER  SETUP .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  10  -  1
[11] DISASSEMBLY  AND  ASSEMBLY  .  .  .  .  .  .  .  .  .  .  .  .  .  11  -  1
[12] ELECTRICAL  SECTION  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  12  -  1
CONTENTS
Parts marked with “  ” are important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
SHARP CORPORATION
DM-2000
[9] TROUBLE CODE LIST
1. Trouble code list
Trouble
code
Trouble content
Remark
E1
00
E-Sort board communication trouble
A
10
E-Sort board trouble
A
11
E-Sort ASIC error
A
12
E-Sort CODEC error
A
13
E-Sort flash ROM error
A
14
E-Sort RAM error
A
15
E-Sort page memory error
A
16
E-Sort SIMM error
A
17
Rotation RAM error
A
80
E-Sort board communication trouble
(Protocol)
A
81
E-Sort board communication trouble
(Parity)
A
82
E-Sort board communication trouble
(Overrun)
A
84
E-Sort board communication trouble
(Framing)
A
88
E-Sort board communication trouble
(Time-out)
A
E7
03
LSU trouble
04
CCD white level trouble
05
CCD black level trouble
F5
02
Copy lamp error
F6
00
FAX board communication trouble
B
10
FAX board trouble
B
80
FAX board communication trouble
(Protocol)
B
81
FAX board communication trouble (Parity)
B
82
FAX board communication trouble
(Overrun)
B
84
FAX board communication trouble
(Framing)
B
88
FAX board communication trouble
(Time-out)
B
F9
00
Printer PWB communication trouble
10
Printer PWB trouble
80
Printer PWB communication trouble
(Protocol)
81
Printer PWB communication trouble
(Parity)
82
Printer PWB communication trouble
(Overrun)
84
Printer PWB communication trouble
(Framing)
88
Printer PWB communication trouble
(Time-out)
H2
00
Thermistor open detection
H3
00
Heat roller abnormally high temperature
H4
00
Heat roller abnormally low temperature
L1
00
Mirror base feed trouble
L3
00
Mirror base return trouble
Trouble
code
Trouble content
Remark
L4
01
Main motor lock
10
Job separator motor abnormality
L6
10
Polygon motor lock
L8
01
Zero cross pulse (FW) trouble
U2
04
EEPROM serial communication error
11
Counter check sum error
12
Adjustment value check sum error
(EEPROM)
U3
29
Mirror base home position error
U9
00
Operation control PWB communication
trouble
80
Operation control PWB communication
trouble (Protocol)
81
Operation control PWB communication
trouble (Parity)
82
Operation control PWB communication
trouble (Overrun)
84
Operation control PWB communication
trouble (Framing)
88
Operation control PWB communication
trouble (Time-out)
U95
Operation control PWB connection error
U99
Operation control PWB connection error
Remark
A: E-Sort PWB is required.
B: Fax kit is required
DM-2000
9 – 1
2. Details of trouble codes
Main 
code
Sub
code
Detail of trouble
E1
00
Content
E1-
∗∗
 Communication trouble
between MCU and E-Sort.
Detail
Communication setup error,
framing, parity, protocol error
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
10
Content
E-Sort PWB trouble
Detail
Communication trouble between
MCU and E-Sort
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
11
Content
E-Sort PWB ASIC error
Detail
E-Sort PWB ASIC abnormality
Cause
An ASIC abnormality is detected
in the E-Sort PWB.
Control circuit hung up due to
noises
ASIC peripheral circuit error
Check and
remedy
Replace the E-Sort PWB.
Check grounding of the machine.
12
Content
E-Sort PWB CODEC error
Detail
E-Sort PWB CODEC error
Cause
A CODEC error is detected in the
E-Sort PWB.
Control circuit hung up due to
noises
CODEC peripheral circuit error
Check and
remedy
Replace the E-Sort PWB.
Check grounding of the machine.
13
Content
E-Sort PWB Flash ROM error
Detail
E-Sort PWB Flash ROM
abnormality
Cause
A Flash ROM abnormality is
detected in the E-Sort PWB.
Control circuit hung up due to
noises
Flash ROM peripheral circuit error
E1
13
Check and
remedy
Replace the E-Sort PWB.
Rewrite the flash ROM data.
Check grounding of the machine.
14
Content
E-Sort PWB Work RAM error
Detail
E-Sort PWB Work RAM abnormality
Cause
A Work RAM abnormality is
detected in the E-Sort PWB.
Control circuit hung up due to
noises
RAM peripheral circuit error
Check and
remedy
Replace the E-Sort PWB.
Check grounding of the machine.
15
Content
E-Sort PWB Page Memory error
Detail
E-Sort PWB Page Memory
abnormality
Cause
A Page Memory abnormality is
detected in the E-Sort PWB.
Control circuit hung up due to
noises
Page Memory peripheral circuit
error
Check and
remedy
Replace the E-Sort PWB.
Check grounding of the machine.
16
Content
E-Sort PWB SIMM error
Detail
E-Sort PWB SIMM abnormality
Cause
A SIMM abnormality is detected in
the E-Sort PWB.
Control circuit hung up due to
noises
SIMM peripheral circuit error
Check and
remedy
Replace the E-Sort PWB.
Replace the SIMM.
Check grounding of the machine.
17
Content
E-Sort PWB image rotating RAM
error
Detail
E-Sort PWB image rotating RAM
abnormality
Cause
A image rotating RAM abnormality
is detected in the E-Sort PWB.
Control circuit hung up due to
noises
Image rotating RAM peripheral
circuit error
Check and
remedy
Replace the E-Sort PWB.
Check grounding of the machine.
80
Content
E-Sort PWB communication
trouble (protocol)
Detail
Communication trouble between
MCU and printer PWB (Protocol
error)
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
DM-2000
9  –  2
E1
80
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
81
Content
E-Sort PWB communication
trouble (Parity)
Detail
Communication trouble between
MCU and printer E-Sort (Parity
error)
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
82
Content
E-Sort PWB communication
trouble (Overrun)
Detail
Communication trouble between
MCU and E-Sort PWB (Overrun
error)
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
84
Content
E-Sort PWB communication
trouble (Framing)
Detail
Communication trouble between
MCU and E-Sort PWB (Framing
error)
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
E1
88
Content
E-Sort PWB communication
trouble (Time-out)
Detail
Communication trouble between
MCU and E-Sort PWB (Time-out
error)
Cause
E-Sort PWB connector
disconnection
E-Sort PWB MCU PWB harness
failure
E-Sort Motherboard connector pin
breakage.
E-Sort PWB ROM defect, data
failure
Check and
remedy
Check the connectors and harness
of the E-Sort PWB and the MCU
PWB.
Check grounding of the machine.
Check the ROM of the E-Sort
PWB.
E7
03
Content
LSU trouble
Detail
After the polygon motor becomes
active, BD signal (HSYNC) from
the LSU is not detected at the
specified times (41 
± 10 times
within 20msec).
Cause
LSU connector disconnection or
LSU’s inside harness
disconnection or breakage
Polygon motor rotation abnormality
Improper positioning of the laser
home position sensor in the LSU.
Laser power voltage failure
Laser emitting diode abnormality
MCU PWB abnormality
Check and
remedy
Improper connection of the LSU
connector
Check the polygon motor
operation with SIM 25-10.
Check printing with SIM64-1.
Check laser emission of laser
emitting diode.
Check the LSU unit.
Check the MCU PWB.
04
Content
CCD white level trouble
Detail
CCD white reference level which
is read during the copy lamp
lighting is abnormal.
Cause
Flat cable installation failure to
CCD unit
Dirt on the mirror, lens, and
reference white plate
Copy lamp lighting failure
CCD unit installation failure
CCD unit abnormality
MCU PWB abnormality
Check and
remedy
Clean the mirror, the lens, and the
reference white plate. 
Check the copy lamp (SIM 5-3)
ON.
CCD unit check
MCU PWB check
05
Content
CCD black level trouble
Detail
CCD black level which is read
while the copy lamp is off is
abnormal.
DM-2000
9  –  3
E7
05
Cause
Flat cable installation failure
CCD unit abnormality
MCU PWB abnormality
Check and
remedy
Check flat cable installation to the
CCD unit.
CCD unit check
MCU PWB check
H2
00
Content
Thermistor open detection
Detail
Fusing thermistor open
Cause
Thermistor defect
MCU PWB defect
Fusing section connector contact
failure
Power failure
Fusing unit not installed
Check and
remedy
Check the harness and the
connector of the thermistor and
the MCU.
Clear the self diag display with
SIM 14.
H3
00
Content
Heat roller abnormally high
temperature
Detail
Fusing temperature of 220 
240˚C.
Cause
Thermistor defect
MCU PWB defect
Fusing connector connection failure
Power failure
Check and
remedy
Check the heater lamp blinking
with SIM 5-2.
When the lamp blinks normally:
Check the thermistor and the
harness. Check the MCU PWB
thermistor input circuit.
When the lamp lights up instead
of blinking:
Check the lamp control circuit of
the power PWB and the MCU
PWB.
Clear the trouble with SIM 14.
H4
00
Content
Heat roller abnormally low
temperature
Detail
When the temperature does not
reach 155˚C within 55 sec after
turning on the power, or when it
falls under 145˚C during printing,
or when it falls under 100˚C
during pre-heating.
Cause
Thermistor failure
Heater lamp failure
MCU PWB failure
Thermostat failure
Power failure
Interlock switch failure
Check and
remedy
Check blinking of the heater lamp
with SIM 5-2.
When the lamp blinks normally:
Check the thermistor and the
harness.
Check the MCU PWB thermistor
input circuit.
H4
00
Check and
remedy
When the lamp does not light:
Check for heater lamp
disconnection or thermostat
disconnection.
Check the interlock switch.
Check the power PWB and MCU
PWB lamp control circuit.
Clear the trouble with SIM 14.
L1
00
Content
Mirror base feed trouble
Detail
The mirror home position (MHPS)
does not turn off though the feed
operation is completed during
mirror initial operation after turning
on the power.
The mirror home position (MHPS)
does not turn off during shading
operation.
The mirror home position (MHPS)
does not turn on when the mirror
base is returned for the specified
time after copy feed is started and
SPF scanning position shift is
performed.
Cause
Mirror unit defect
Mirror home position sensor defect
MCU PWB defect
Scanner wire disconnection
Check and
remedy
Check the scanning operation with
SIM 1-1.
L3
00
Content
Mirror base return trouble
Detail
The mirror home position (MHPS)
does not turn on though the mirror
base returning is completed during
mirror initial operation after turning
on the power.
The mirror home position does not
turn on when the mirror is
returned to the home position
during shading.
The mirror home position (MHPS)
does not turn on when the mirror
base returning is completed for
the specified time (about 6 sec)
after copy return start.
Cause
Mirror unit
Mirror home position sensor defect
MCU PWB defect
Scanner wire disconnection
Check and
remedy
Check the scanning operation with
SIM 1-1.
L4
01
Content
Main motor lock
Detail
The main motor encoder pulse is
not detected for 400msec.
Cause
Main motor defect
Harness disconnection between
the MCU PWB and the main
motor.
Control circuit failure
Check and
remedy
Check the main motor operation
with SIM 25-1.
Check the harness and the
connector between the MCU PWB
and the main motor.
DM-2000
9 – 4

Download Sharp DM-2000 (serv.man7) Service Manual (Repair Manual)

Here you can view online or download Sharp DM-2000 (serv.man7) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp DM-2000 (serv.man7) Copying Equipment. Information contained in Sharp DM-2000 (serv.man7) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).