
VIII-73
I-13 White
Band
Phenomenon
White banding line appears in the horizontal direction, and consequently causes a
missing image as shown in
print sample (13) of Fig.8-2
.
Main Causes
1) Deformation of the transfer roller.
2) Contact failure of the transfer roller's bias terminal.
3) Failure of the transfer roller clutch PU.
Countermeasures
1) Replace the transfer roller ASSY PU with a new transfer roller ASSY PU.
2) Check up the transfer roller's bias terminal.
3) Check up the transfer roller clutch and cam structure.
Содержание HL-2700CN Series
Страница 16: ...viii 3 Rating Label 6 0A 11 0A For Europe For US ...
Страница 18: ...CHAPTER I PRODUCT OUTLINE ...
Страница 27: ...CHAPTER II SPECIFICATIONS ...
Страница 39: ...III 1 CHAPTER III INSTALLATION ...
Страница 53: ...CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS ...
Страница 84: ...IV 31 Layout of Clutches and Solenoids 1 2 3 4 5 6 7 8 9 10 Fig 4 30 ...
Страница 90: ...IV 37 ...
Страница 93: ...IV 40 c Interface Circuit Printer side Table 4 1 Interface Circuit ...
Страница 102: ...IV 49 Main PCB circuit Diagram 1 7 IV 49 CODE B512168CIR 1 7 LJ9515001 NAME ...
Страница 103: ...IV 50 Main PCB circuit Diagram 2 7 IV 50 CODE B512168CIR 2 7 LJ9515001 NAME ...
Страница 104: ...IV 51 Main PCB circuit Diagram 3 7 IV 51 CODE B512168CIR 3 7 LJ9515001 NAME ...
Страница 105: ...IV 52 Main PCB circuit Diagram 4 7 IV 52 CODE B512168CIR 4 7 LJ9515001 NAME ...
Страница 106: ...IV 53 Main PCB circuit Diagram 5 7 IV 53 CODE B512168CIR 5 7 LJ9515001 NAME ...
Страница 107: ...IV 54 Main PCB circuit Diagram 6 7 IV 54 CODE B512168CIR 6 7 LJ9515001 NAME ...
Страница 108: ...IV 55 Main PCB circuit Diagram 7 7 IV 55 CODE B512168CIR 7 7 LJ9515001 NAME ...
Страница 110: ...IV 57 Layout of Connector Pin Assignment Power Supply Unit Fig 4 40 ...
Страница 118: ...IV 65 1 MCTL P W B I1CN IOD P W B DCN1 2 MCTL P W B I2CN IOD P W B DCN3 ...
Страница 124: ...IV 71 30 Duplex Connector 31 Lower Feeder Connector 32 DCN2 IOD 33 DCN8 IOD LaserFan ...
Страница 125: ...CHAPTER V CONTROL PANEL OPERATION ...
Страница 171: ...CHAPTER VI PERIODIC MAINTENANCE ...
Страница 197: ...CHAPTER VII DISASSEMBLY ...
Страница 200: ...VII 3 Table 7 1 Table of Applicable Screws ...
Страница 257: ...CHAPTER VIII TROUBLESHOOTING ...
Страница 316: ...VIII 59 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Страница 317: ...VIII 60 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 8 2 ...
Страница 346: ...A 4 6 Transfer Unit X X X X X X 7 1 2 3 Location DATE MONTH SERIAL NO YEAR ...