VI-1
CHAPTER VI PERIODIC MAINTENANCE
1. GENERAL
1.1 Precaution in Handling
Since a high quality laser printer is a precision equipment, the daily checking and
periodic maintenance is indispensable to maintain an expected high performance.
Following is the list of important precautions & action items as to the maintenance
and periodic replacement parts:
1) Refrain from any operation, disassembly, and modification that are not set out
in this manual.
2) When assembling or disassembling the printer, turn the power supply off at
first and unplug the power supply cord prior to commencing any work.
3) Whenever having replaced any parts, confirm the replaced parts in place prior
to driving the printer.
4) Read carefully and understand well any precaution or warning labels affixed
to any parts.
5) Unless otherwise specified, precisely follow the reverse order of the
disassembly procedures for the re-assembly. Do not get confused with the
kind of removed screws and also length.
6) Do not use any solvent for cleaning, no matter inside or outside of printer.
7) It is strictly forbidden to dump the waste toner together with flammable
substances or throw it into the fire. This is a very important caution to be
respected.
Summary of Contents for HL-2700CN Series
Page 16: ...viii 3 Rating Label 6 0A 11 0A For Europe For US ...
Page 18: ...CHAPTER I PRODUCT OUTLINE ...
Page 27: ...CHAPTER II SPECIFICATIONS ...
Page 39: ...III 1 CHAPTER III INSTALLATION ...
Page 53: ...CHAPTER IV STRUCTURE OF SYSTEM COMPONENTS ...
Page 84: ...IV 31 Layout of Clutches and Solenoids 1 2 3 4 5 6 7 8 9 10 Fig 4 30 ...
Page 90: ...IV 37 ...
Page 93: ...IV 40 c Interface Circuit Printer side Table 4 1 Interface Circuit ...
Page 102: ...IV 49 Main PCB circuit Diagram 1 7 IV 49 CODE B512168CIR 1 7 LJ9515001 NAME ...
Page 103: ...IV 50 Main PCB circuit Diagram 2 7 IV 50 CODE B512168CIR 2 7 LJ9515001 NAME ...
Page 104: ...IV 51 Main PCB circuit Diagram 3 7 IV 51 CODE B512168CIR 3 7 LJ9515001 NAME ...
Page 105: ...IV 52 Main PCB circuit Diagram 4 7 IV 52 CODE B512168CIR 4 7 LJ9515001 NAME ...
Page 106: ...IV 53 Main PCB circuit Diagram 5 7 IV 53 CODE B512168CIR 5 7 LJ9515001 NAME ...
Page 107: ...IV 54 Main PCB circuit Diagram 6 7 IV 54 CODE B512168CIR 6 7 LJ9515001 NAME ...
Page 108: ...IV 55 Main PCB circuit Diagram 7 7 IV 55 CODE B512168CIR 7 7 LJ9515001 NAME ...
Page 110: ...IV 57 Layout of Connector Pin Assignment Power Supply Unit Fig 4 40 ...
Page 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 ...
Page 124: ...IV 71 30 Duplex Connector 31 Lower Feeder Connector 32 DCN2 IOD 33 DCN8 IOD LaserFan ...
Page 125: ...CHAPTER V CONTROL PANEL OPERATION ...
Page 171: ...CHAPTER VI PERIODIC MAINTENANCE ...
Page 197: ...CHAPTER VII DISASSEMBLY ...
Page 200: ...VII 3 Table 7 1 Table of Applicable Screws ...
Page 257: ...CHAPTER VIII TROUBLESHOOTING ...
Page 316: ...VIII 59 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Page 317: ...VIII 60 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 8 2 ...
Page 346: ...A 4 6 Transfer Unit X X X X X X 7 1 2 3 Location DATE MONTH SERIAL NO YEAR ...