Brother FAX-921 - Manual (Page 167)

VI - 16
Trouble Check:
(7) Image distortion
In communications
At the scanner
At the recorder
• Error code displayed (Refer to Section 1, "ERROR INDICATION"
in this chapter.)
• NCU PCB
• Main PCB
• Separation roller and its related sections
• LF roller and its related gears
• Solenoid and the planetary gear train
• Drive motor and its harness
• Main PCB
• Compression springs beneath the recording head
• Platen and its related gears
• Solenoid and the planetary gear train
• Drive motor and its harness
• Main PCB
[ 6 ] Others
Trouble Check:
(1) When you turn the power ON,
the beeper sounds.
• Main PCB
TIP: The beeper sounds with one of the following three beep
codes:
Beep code In approx. 2-second cycle of Defective device
Beep code 1 LHLHLHLHm RAM
Beep code 2 HLHLLHLHm EEPROM
Beep code 3 HLHLHLHLm Program ROM
H: Beeps at 1.5 kHz for 0.1 second
L:
Beeps at 1.2 kHz for 0.1 second
m: 0.5-second mute
Between L and H, H and L, or L and L is a 0.1-second pause
each.