Konica Minolta Bizhub 162 Service Manual page 162

Field Service Ver. 1.0 Apr. 2005
Code
Polygon Motor malfunc-
C1300
tion
Communication with
C133B
option error
C133D ROM check error
C13F0 Faulty HSYNC
C1468 Faulty Parameter Chip
C14A3 IR fluorescent lamp fault
Item
Startup failure
• A LOW Polygon Motor (M2) Lock signal is not detected
within a given period of time that begins 1 sec. after the
Polygon Motor has started turning.
Lock signal fault: Unstable after the first Lock signal has been
detected
• For a period of 1 sec. after the first LOW Polygon Motor
(M2) Lock signal (first Lock) has been detected, the next
LOW Polygon Motor Lock signal is not detected.
Lock signal fault: Lock signal out-of-timing
• A LOW Polygon Motor (M2) Lock signal is not detected for
a continuous given period of time while the rotation of the
Polygon Motor remains stabilized.
Faulty Lock signal
• A LOW Polygon Motor (M2) Lock signal is detected for a
given period of time or more when the Polygon Motor
remains deenergized.
• It is not possible to communicate with the Printer Board
within a predetermined period of time during a print cycle.
• An error is detected of the flash ROM chip on the Fax
Board when the Power Switch is turned ON.
Laser scanning system malfunction
• The SOS Sensor does not detect a rising edge of SOS
within a given period of time after the Polygon Motor (M2)
has started turning and a laser output has been started.
• The SOS Sensor detects no rising edges of SOS while VIA
(image area control) is ON.
Parameter Chip fault
• Data cannot be written in Parameter Chip.
• Data stored in Parameter Chip is wrong.
The Exposure Lamp (LA2) of the Scanner fails to turn ON.
• The intensity of the Exposure Lamp is a predetermined
value or less during shading and re-shading.
15. Malfunction code
Description
133