Service manual

AL-1661CS TEST COMMAND, FAX SOFT SWITCH, TROUBLE CODES 10 - 67
SW103 No.5–No.8 Scan effective image area sub scan
rear edge image loss (OC)
Used to set image loss in scan image area.
Image loss on the rear edge in OC sub scan direction can be adjusted.
When the set value is increased, image loss is increased.
Setting is made in binary input in the increment of 16 lines.
Default: 144 lines
SW104 No.1–No.4 Scan effective image area main scan
left edge image loss (SPF back surface)
Used to set image loss in scan image area.
Image loss in SPF back surface main scan direction can be adjusted.
When the set value is increased, image loss is increased.
Setting is made in binary input in the increment of 24 dots.
Default: 96 dots
SW104 No.5–No.8 Scan effective image area main scan
right edge image loss (SPF back surface)
Used to set image loss in scan image area.
Image loss on the right edge in SPF back surface main scan direction
can be adjusted. When the set value is increased, image loss is
increased.
Setting is made in binary input in the increment of 24 dots.
Default: 96 dots
SW105 No.1–No.8 Scan magnification ratio adjustment
(OC main scan)
Used to set the main san magnification ratio in OC main scan.
Setting is made in binary input in the increment of 0.1%.
Default: 0%
SW106 No.1–No.8 Scan magnification ratio adjustment
(OC sub scan)
Used to set the sub scan magnification ratio in OC sub scan.
Setting is made in binary input in the increment of 0.1%.
Default: 0%
SW107 No.1–No.8 Scan magnification ratio adjustment
(SPF back surface main scan)
Used to set the main scan magnification ratio in SPF back surface
scan.
Setting is made in binary input in the increment of 0.1%.
Default: 0%
SW108 No.1–No.8 Scan magnification ratio adjustment
(SPF back surface sub scan)
Used to set the sub scan magnification ratio in SPF back surface scan.
Setting is made in binary input in the increment of 0.1%.
Default: 0%
SW109 No.1–No.8 Print magnification ratio adjustment
(Main scan back surface)
Used to set the main scan magnification ratio in back surface print.
Setting is made in binary input in the increment of 0.1%.
Default: 0%
SW110 No.1–No.8 Print magnification ratio adjustment
(Sub scan back surface)
Used to set the sub scan magnification ratio in back surface print.
Setting is made in binary input in the increment of 0.1%.
Default: 0%
8. Trouble codes
A. Trouble codes list B. Details of trouble codes
Main
code
Sub
code
Details of trouble
E1 00 IMC communication trouble
10 IMC trouble
13 IMC flash ROM error
16 IMC DIMM memory read/write check error
81 IMC communication interface error (parity)
82 IMC communication interface error (Overrun)
84 IMC communication interface error (Framing)
E7 02 LSU trouble
10 Shading trouble (Black correction)
11 Shading trouble (White correction)
16 Abnormal laser output
F5 02 Copy lamp lighting abnormality
F6 10 FAX board trouble
H2 00 Thermistor open
H3 00 Heat roller high temperature detection
H4 00 Heat roller low temperature detection
L1 00 Feeding is not completed within the specified time after
starting feeding. (The scan head locking switch is locked)
L3 00 Scanner return trouble
L4 01 Main motor lock detection
L6 10 Polygon motor lock detection
U1 03 FAX board battery error
U2 04 EEPROM read/write error (Serial communication error)
11 Counter check sum error (EEPROM)
U9 99 Operation panel language error
Main
code
Sub
code
Details of trouble
E1 00 Content IMC communication trouble
Detail An abnormality occurs in communication
between the CPU and the IMC.
Cause IMC – CPU signal line abnormality
IMC Memory defect/data abnormality
Check
and
remedy
Replace the MCU PWB with new one.
10 Content IMC trouble
Detail An abnormality occurs in the IMC.
Cause USB chip error/CODEC error on the IMC.
Check
and
remedy
Replace the MCU PWB with a new one.
13 Content IMC flash ROM error
Detail An abnormality occurs in the IMC flash ROM.
Cause IMC abnormality
Check
and
remedy
Replace the MCU PWB with a new one.
If downloading of the program is abnormally
terminated, it may cause an error. Download
the program again to avoid this.