Minolta EP1030 Manual page 104

1159SBTO300A
MALFUNCTIONS
; "1459SBTO3O1A
Document Is Does the document being used instruct the user to use a 3-1. Detection Timings Classified by Malfunction Codes
not taken up at meet specifications for reliable NO document that meets
Description Detection Timing
all. specitications for rellabie
Main Drive Motor M1's ® The lock signal remalns HIGH for a continuous 1-sec. or more
feeding.
failure to tum period while M1 remains energized.
Do the documents loaded ex- Ask the user to keep within
ceed the capanity of the SDE? the SDH document capanity. ' © The lock signal remains LOW for a continuous 1-sec. or more
period while M1 remains deenergized.
Are the Document Take-Up and Clean or change the
Separator Rolls deformed, YES | Document Take-Up and co4 | Oz0ne Fan Motor M3's | The lock signal remains HIGH for a continuous 1-sec. or more
worn, or dirty with paper dust? Separator Rolls. 4 | failure to turn period while M3 remains energized.
Does the voltage across PU4C-2 Check the PC22 actuator for Exposure Lamp LA1 © The AE Sensor output at 91 msec. after the start of ascan motion
on PWB-C and GND change operation and, if it checks malfunction with LA1 ON is lower than the AE Sensor output when LA' is
c40 OFF.
from DC5V to DCOV when SDH okay, change PC22.
Check SDH Drive Motor M10. | no | Change PWB-A or PWB-C,
's the voltage across PU1A-8 on Warming-up fallure The surface temperature of the Upper Fusing Roller does not
PWB-A and GND DC24V when YES
Change M10,
reach a given level after a given period of time during
the Start key is pressed?
warming-up as detailed below:
Check SDH Paper Take-Up Change SL10. © From room temperature to 45°C: 10 sec,
Solenoid SL10.
Change PWB-A or PWB-C.
@ From 45 to 80°C: 10 sec.
Does the voltage across PJ1A-6
on PWB-A and GND change
Clean or change the
Registration Roller.
® From 80 to 115°C: 10 sec.
®@ From 115 to 145°C: 15 sec.
@ From 146 to 160°C: 15 sec. from DC24V to DCOV when the
Start key Is pressed?
Document is Is the Registration Roller
stationary at deformed, worn, or dirty with
the Registration paper dust?
ae Abnormally low fusing The surface temperature of the Upper Fusing Roller is below
temperature 150°C after the copier has completed warming up.
YES :
Roller. Does the voltage across PJ4C-5 Check the PC23 actuator for
on PWB-C and GND change operation and, If it checks
from DC5V to DCOV when SDH okay, change PC23,
Paper Transport Sensor PC23
Is blocked?
temperature higher after the copier has completed warming up.
Scanner drive malfunc- | <When the Power Switch Is turned ON>
tion © When the Scanner is at the home position, Scanner Home
Position Sensor PG11 doea not go from LOW ta HIGH even after
the lapse of 1 sec. after the Scanner has started a scan motion.
@ When the Scanner is at a position other than home, PC11 does
not go from HIGH to LOW even after the lapse of 8.4 sec. after
the Scanner has started a scan motion.
<When the Start key is pressed>
© PC11 does not go from LOW to HIGH even after the lapse of
1 sec. after the Scanner has started a scan motion.
© PC11 does not-go from HIGH to LOW even after the lapse of
8.4 sec. after the Scanner has started a return motion.
Check SDH Registration Clutch Change CL10.
Does the voltage across PJ1A-7
on PWB-A and GND change
from DC24V to DCOV after the
Start key has been pressed?
Document is Is the Exit Roller deformed,
stationary at worn, or dirty with paper dust?
the Exit Roller.
Change PWB-A or PWB-C.
Clean or change the Exit |
Roller.
Check the PC24 actuator for
operation and, If it checks
okay, change PC24.
Change PWB-C.
Does the voltage across PJ4C-9
on PWB-C and GND change
from DC5V to DCOV when SDH
Original Exit Sensor PC24 is
blocked?
T-13 T-14