Utax CD 1015 Servisní příručka stáhnout pdf (Strana 180)

2AV/X

1-5-29

Problem Causes Check procedures/corrective measures

1-5

*1: Optional for 15 cpm copier. *2: For 20 cpm copier only. *3: Optional for 220-240 V specifications of 15 cpm copier.

*4: Optional for both 20 cpm and 15 cpm copiers.

(28)

The size of paper in

the upper drawer is

not displayed

correctly.

(29)

The size of paper in

the lower drawer*

is not displayed

correctly.

(30)

The printing width of

the paper on the

bypass tray is not

detected correctly.*

(31)

A paper jam in the

paper feed, paper

conveying or fixing

section is indicated

when the main

switch is turned on.

(32)

The message

requesting covers to

be closed is

displayed when the

front cover, paper

conveying unit and

lower drawer left

cover*

are closed.

(33)

Others.

Poor contact in upper

paper size switch 4

connector terminals.

Defective upper paper size

switch 4.

Poor contact in the

connector terminals of

lower paper size switch

, 2*

, 3*

or 4*

Defective lower paper size

switch 1*

, 2*

, 3*

or 4*

Poor contact in the bypass

size detection PCB

connector terminals.

Defective bypass size

detection PCB.

A piece of paper torn from

copy paper is caught

around the drawer feed

switch*, registration

switch or eject switch.

Defective drawer feed

switch*

Defective registration

switch.

Defective eject switch.

Poor contact in the

connector terminals of

safety switch 1, 2 or 3*

Defective safety switch 1,

2 or 3*

Wiring is broken, shorted

or makes poor contact.

Noise.

Reinsert the connector. Also check for continuity within the

connector cable. If none, remedy or replace the cable.

Check if CN9-8 on the main PCB goes low when upper paper

size switch 4 is turned on. If not, replace upper paper size switch

Check for continuity across the connector terminals. If none,

replace them.

Check for continuity across each of lower paper size switches

, 2*

, 3*

and 4*

. If there is no continuity when each switch is

on, replace lower paper size switch 1*

, 2*

, 3*

or 4*

Reinsert the connector. Also check for continuity within the

connector cable. If none, repair or replace the cable.

Check for continuity between CN6-7 and each of CN6-4, CN6-5

and CN6-6. If the continuity status does not change when the

position of the bypass slider is changed, replace the bypass

paper size detection PCB.

Check and remove if any.

With 5 V DC present at CN8-21 on the main PCB, check if CN8-

23 on the main PCB remains low when the drawer feed switch*

is turned on and off. If it does, replace the drawer feed switch*

With 5 V DC present at CN3-6 on the main PCB, check if CN3-7

on the main PCB remains low when the registration switch is

turned on and off. If it does, replace the registration switch.

With 5 V DC present at CN12-7 on the main PCB, check if

CN12-6 on the main PCB remains low when the eject switch is

turned on and off. If it does, replace the eject switch.

Reinsert the connector. Also check for continuity within the

connector cable. If none, remedy or replace the cable.

Check for continuity across the contacts of each switch. If there

is no continuity when the switch is on, replace it.

Check for continuity. If none, repair.

Locate the source of noise and remove.

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