Reference

 

WARNING DIAGRAM

Step

Remedy

 

 

 

page

Control signal

Location(electrical com-

 

 

ponent)

 

 

 

 

 

 

 

 

 

 

 

1

Replace the image transfer belt

-

-

 

-

unit.

 

 

 

 

 

 

 

 

 

 

 

 

(10) FATAL ERROR CODE 17H / SERVICE CALL 17 TONER RACK: Incorrect developing rack rotation

<Remedy>

Electrical components for detection of the malfunction

Rack motor (M2)

Master board (PWB-A)

Rack clutch (CL1)

Controller control board (PWB-P)

Rack home position sensor (PC4)

 

 

 

 

 

Reference

WARNING DIAGRAM

Step

Remedy

 

 

page

Control signal

Location(electrical com-

 

 

ponent)

 

 

 

 

 

 

 

 

 

1

Check PC4 operation.

149

PC4_ON

3-F

 

 

 

 

 

2

Check CL1 operation.

150

CL1_REM

2-F

 

 

 

 

 

3

Check M2 operation.

151

-

3-E

 

 

 

 

 

4

Replace PWB-A.

-

-

-

 

 

 

 

 

5

Replace PWB-P.

-

-

-

 

 

 

 

 

(11)FATAL ERROR CODE 18H /SERVICE CALL 18 FUSER UNIT: Faulty warm-up detected

(12)FATAL ERROR CODE 19H / SERVICE CALL 19 FUSER UNIT: Incorrect fusing roller low temperature

<Remedy>

Electrical components for detection of the malfunction

Fusing roller heater lamp (H1)

Master board (PWB-A)

Fusing pressure roller heater lamp (H2)

Power unit (PU)

Thermostat (TS1)

 

 

 

 

 

 

 

WARNING DIAGRAM

Step

Check

Result

Remedy

 

 

Control sig-

Location(electri-

 

 

 

 

nal

cal component)

 

 

 

 

 

 

1

Check for continuity at H1 and

NO

Replace H1 and

-

2-B, 2-C

H2.

H2.

 

 

 

 

 

 

 

 

 

 

2

Check for continuity at TS1.

NO

Replace TS1.

-

2-C

 

 

 

 

 

 

 

 

 

Clean TH1 or

 

 

 

Is the resistance at TH1 infinite?

YES

replace the fusing

 

 

3

(between CN18-1 and -2 on the

 

unit.

HEATER

2-D

 

 

 

thermistor)

NO

Replace PU.

 

 

 

 

 

 

 

 

 

Replace PWB-A.

 

 

 

 

 

 

 

 

 

 

 

 

 

164