Home » Lexmark Manuals » Laser Printers » Lexmark C750 » Manual Viewer

Lexmark C750 Service Manual - Page 348

Lexmark C750 Manual

Add to My Manuals
Save this manual to your list of manuals

Page 348 highlights

5060-00x Scheduled maintenance The operator panel displays 80 Fuser Maintenance and 83 ITU Maintenance for scheduled maintenance. 80 Fuser Maintenance is displayed at each 150K copies when the fuser assembly needs to be replaced to maintain the print quality and reliability of the printer. The parts are available as a maintenance kit with the following part numbers: Standard fusers • 12G6496, Maintenance kit 115V • 12G6497, Maintenance kit 220V • 12G6498, Maintenance kit 100V Web oiler fusers • 12G6514, 110 V web oiler fuser • 12G6515, 220 V web oiler fuser • 12G6502, 100 V web oiler fuser After replacing the kit, the fuser maintenance count must be reset to zero to clear the maintenance message. See "Reset Fuser Cnt" on page 3-8. 83 ITU Maintenance is displayed at each 105K copies when the ITU Assembly needs to be replaced to maintain the print quality and reliability of the printer. There are two assemblies, ITU assembly and Second Transfer Roll, in a maintenance kit. Both should be replaced at the same time. The parts are available as a maintenance kit with P/N 12G6304, ITU Maintenance Kit. 84 Oiler Nearly Exhausted is displayed at each 100K copies when the Web Oiler Assembly is nearly exhausted. Go to "Web oiler assembly" on page 7-11 for part number. 6-4 Service Manual

Section	Page
Table of contents	3
Notices and safety information	11
Laser notice	11
Safety information	17
Preface	20
Definitions	20
1. General information	21
Tools required for service	21
Options and features	22
High performance	22
Print quality	22
Heavy volume reliability	22
Automatic calibration	22
Resolution	23
Toner darkness	23
Printer specifications	23
Dimensions	23
Power and electrical specifications	23
Electrical specifications	24
Operating clearances	24
Fuser web oiler upgrade kit and replacements	24
Upgrade kit	24
Replacements	24
Acoustics	25
Environment	25
Print speed and performance print speed	26
Performance	26
Time to first print	26
Processor	26
Duty cycle	26
Memory configuration	27
Available memory options	27
Media specifications	27
Acronyms	33
2. Diagnostic information	35
Start	35
POR (power-on reset) sequence	36
Symptom tables	37
Symptom table-base printer	37
Symptom table-500-sheet drawer option	38
Symptom table-HCIT 2000-sheet option	38
Symptom table-output expander option	39
Symptom table-5-bin mailbox option	39
Symptom table-finisher option	39
Error code table	40
Sub error code table	51
Programming errors - P101 through P116	54
Understanding the printer operator panel	54
Operator panel buttons	54
Color Menu	56
Utilities Menu	57
User attendance message table	62
Service checks	76
	100
	120
	121
	122
	123
	124
	125
	126
	127
	128
	129
	130
	131
	132
	133
	134
	135
	136
	148
	149
	150
	151
	152
	153
	154
	155
	156
	157
	158
	159
	160
	161
	162
	163
	164
	165
	200
	200
	500
	500
	2000

Match case Limit results 1 per page

6-4

Service Manual

5060-00

Scheduled maintenance

The operator panel displays 80 Fuser Maintenance and 83 ITU Maintenance for scheduled maintenance.

80 Fuser Maintenance is displayed at each 150K copies when the fuser assembly needs to be replaced to

maintain the print quality and reliability of the printer. The parts are available as a maintenance kit with the

following part numbers:

Standard fusers

•

12G6496, Maintenance kit 115V

•

12G6497, Maintenance kit 220V

•

12G6498, Maintenance kit 100V

Web oiler fusers

•

12G6514, 110 V web oiler fuser

•

12G6515, 220 V web oiler fuser

•

12G6502, 100 V web oiler fuser

After replacing the kit, the fuser maintenance count must be reset to zero to clear the maintenance message.

See

“Reset Fuser Cnt” on page 3-8

83 ITU Maintenance is displayed at each 105K copies when the ITU Assembly needs to be replaced to maintain

the print quality and reliability of the printer. There are two assemblies, ITU assembly and Second Transfer Roll,

in a maintenance kit. Both should be replaced at the same time. The parts are available as a maintenance kit

with P/N 12G6304, ITU Maintenance Kit.

84 Oiler Nearly Exhausted is displayed at each 100K copies when the Web Oiler Assembly is nearly exhausted.

Go to

“Web oiler assembly” on page 7-11

for part number.