Read Sharp AR-651 (serv.man8) Service Manual online
AR-651/810 GENERAL OPERATIONS 4 - 6
4. 3. Abnormality Detection
When an abnormality occurs in the copier, a symbol corresponding to the type of the abnormality is
displayed to draw the operator’s attention.
4. 3. 1. Abnormality classification
A) Abnormalities which can be cleared without resetting the door switch
(1) Add paper
(2) Paper misfeed in bypass
(3) Set key copy counter
B) Abnormalities which cannot be cleared without resetting the door switch.
(1) Misfeed in copier
(2) Developer unit not installed properly
(3) Add toner
C) Abnormalities which cannot be cleared without turning OFF the main switch
(1) Call for service
4. 3. 2. Abnormality description
A-1) Add paper
Empty sensor detects the presence or absence of paper.
[When cassette is not installed]
No Cassette detected
훹
Tray not going up (empty sensor OFF)
훹
“Add paper” displayed
훹
[START] key disabled
[When cassette is installed]
Cassette detected
훹
Tray going up (empty sensor OFF)
훹
“Add paper” displayed
훹
[START] key disabled
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