Sharp AR-810 (serv.man8) Service Manual ▷ View online
AR-651/810 GENERAL OPERATIONS 4 - 9
B-1)
Misfeed in copier (
)
•
Paper leading edge jam detected by exit sensor
Registration motor turned ON
↓
Exit sensor not turned ON within 0.975 sec.
↓
“Clear paper” symbol (
) displayed (E01)
↓
Copying stopped
•
Paper trailing edge jam detected by exit sensor
Registration motor OFF
↓
Exit sensor not turned OFF within 0.952 sec.
↓
“Clear paper” symbol (
) displayed (E02)
↓
Copying stopped
•
Immediately after power is turned ON:
↓
Any of all sensors at transport path detecting paper (ON)
↓
“Clear paper” symbol (
) displayed (E03)
•
Front cover opened during copying
↓
“Clear paper” symbol (
) displayed (E41)
•
Paper leading edge jam detected by registration sensor
Registration sensor not turned ON within a certain period of time after paper leading edge has
passed transport roller
↓
“Clear paper” symbol (
) displayed (E20, 22, 25, 30, 34, 3C)
• When a sheet of paper is fed at reverse section:
Registration sensor not turned ON within a certain period of time after reverse motor has been
turned ON
↓
“Clear paper” symbol (
) displayed (E11)
Registration
motor
Exit sensor
Timer
Misfeed in copier (E01)
ON
ON
0.975sec.
0
Registration
motor
Exit sensor
Timer
Misfeed in copier (E02)
0
ON
OFF
0.952sec.
AR-651/810 GENERAL OPERATIONS 4 - 10
• When a sheet of reversed paper is transported:
Transport sensor 1 not detecting paper in a certain timing
↓
“Clear paper” symbol (
) displayed (E51, 52, 53, 54)
• When a sheet of paper is fed:
Feed sensor not turned ON after feed clutch has been turned ON
↓
“Clear paper” symbol (
) displayed (E13, 14, 15, 16, 18, 19: Error codes change depending on
the cassette used.)
B-2)
Add toner (
)
Toner density lowered
↓
Toner empty detected: Auto toner sensor
↓
Control circuit
“Replace toner cartridge” symbol (
) displayed: Copying cannot be started.
Solution: Open the front cover and replace the toner cartridge.
Toner supply operation: copying can be started.
B-3)
Replace toner bottle (
)
Toner bag becoming full with used toner
↓
Used toner transport auger moving to feed side: Toner bottle full detection sensor ON
↓
“Replace toner bottle” symbol (
) displayed
•
Toner bottle full detection sensor turned ON during copying
↓
Copying stopped after the last sheet copied has been discharged
Solution: Replace to a new toner bottle by a service technician.
B-4)
Developer unit not installed properly
Developer unit disconnected
↓
“Developer unit not installed properly” displayed
Solution: Connect the developer unit connector and close the front cover.
C-1)
Call for service
When the [CLEAR] and “8” keys are pressed simultaneously when the “Call for service” symbol is
blinking, an error code appears on the message display.
For the contents of the error codes, refer to the “SERVICE HANDBOOK”.
↓
AR-651/810 GENERAL OPERATIONS 4 - 11
4. 4. Flowchart
4. 4. 1. Power ON to ready
YES
YES
NO
A
NO
NO
NO
YES
YES
"E03"
Main SW ON
DC power supply ON
Restart
Is cover opened?
IH coil ON
· Scanner motor ON
· Cassette tray-up
motor ON
Is registration
sensor ON?
Is exit sensor ON?
Is transport
sensor 1 ON?
Jam
(Start initializing)
AR-651/810 GENERAL OPERATIONS 4 - 12
YES
YES
YES
YES
NO
YES
NO
NO
NO
NO
NO
A
NO
YES
YES
YES
NO
NO
NO
"C41"
"C44"
"CA1"
"C26"
YES
YES
Polygonal motor rotating
Scanning section initialization
Scanning section initialization
Is
toner full detection
sensor ON?
Is toner empty?
Toner supply
Is initialization
finished?
Is
fuser roller temperature
high enough to start
pre-running?
Pre-running started
Is
fuser roller temperature
high enough to
be ready?
Pre-running finished
Ready
Drum motor ON
for 6 sec.
Is
toner full detection
sensor ON?
(used toner full clear operation)
Toner bag replacement
Have
20sec. passed after
initialization
started?
Call for service
Is thermistor
cut down?
Is heater
cut down?
Is
polygonal motor
NG?
Call for service
Call for service
Call for service
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