2MY/2MZ
1-4-28
7101
Toner sensor K error
Defective Devel-
oper unit.
Replace the developer unit K
(see page 1-5-14).
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7102
Toner sensor C error
Defective Devel-
oper unit.
Replace the developer unit C
(see page 1-5-14).
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7103
Toner sensor M error
Defective Devel-
oper unit.
Replace the developer unit M
(see page 1-5-14).
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7104
Toner sensor Y error
Defective Devel-
oper unit.
Replace the developer unit Y
(see page 1-5-14).
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7601 ID sensor 1 (front) error Defective ID sen-
sor.
Replace the ID sensor 1.
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7602 ID sensor 2 (rear) error Defective ID sen-
sor.
Replace the ID sensor 2.
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7611 ID sensor (K) density error
When ID sensor 2 detected
CTD is 500 or less.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7612 ID sensor (C) density error
When ID sensor 2 detected
CTD is 500 or less.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
7613 ID sensor (M) density error
When ID sensor 2 detected
CTD is 500 or less.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB. Replace the engine PWB check for correct
operation (see page 1-5-32).
Code Contents Causes
Check procedures/
corrective measures
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